./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.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_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/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_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/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_c7196ea9-d85e-467b-be6f-3134e9528efe/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 c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --- 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 21:04:20,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:04:20,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:04:20,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:04:20,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:04:20,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:04:20,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:04:20,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:04:20,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:04:20,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:04:20,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:04:20,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:04:20,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:04:20,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:04:20,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:04:20,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:04:20,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:04:20,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:04:20,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:04:20,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:04:20,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:04:20,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:04:20,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:04:20,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:04:20,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:04:20,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:04:20,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:04:20,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:04:20,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:04:20,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:04:20,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:04:20,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:04:20,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:04:20,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:04:20,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:04:20,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:04:20,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:04:20,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:04:20,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:04:20,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:04:20,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:04:20,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:04:20,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:04:20,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:04:20,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:04:20,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:04:20,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:04:20,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:04:20,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:04:20,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:04:20,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:04:20,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:04:20,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:04:20,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:04:20,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:04:20,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:04:20,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:04:20,640 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:04:20,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:04:20,640 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:04:20,640 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_c7196ea9-d85e-467b-be6f-3134e9528efe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2022-12-13 21:04:20,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:04:20,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:04:20,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:04:20,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:04:20,821 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:04:20,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2022-12-13 21:04:23,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:04:23,580 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:04:23,581 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2022-12-13 21:04:23,586 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/data/50ef414b9/3ffc142847434b61bfcde35ce9e28f98/FLAGab0b3973f [2022-12-13 21:04:23,598 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/data/50ef414b9/3ffc142847434b61bfcde35ce9e28f98 [2022-12-13 21:04:23,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:04:23,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:04:23,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:04:23,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:04:23,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:04:23,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2713316b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23, skipping insertion in model container [2022-12-13 21:04:23,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:04:23,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:04:23,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,801 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_c7196ea9-d85e-467b-be6f-3134e9528efe/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-12-13 21:04:23,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:04:23,819 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:04:23,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:04:23,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:04:23,852 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_c7196ea9-d85e-467b-be6f-3134e9528efe/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-12-13 21:04:23,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:04:23,872 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:04:23,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23 WrapperNode [2022-12-13 21:04:23,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:04:23,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:04:23,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:04:23,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:04:23,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,925 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 411 [2022-12-13 21:04:23,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:04:23,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:04:23,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:04:23,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:04:23,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,966 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:04:23,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:04:23,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:04:23,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:04:23,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (1/1) ... [2022-12-13 21:04:23,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:04:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:04:24,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:04:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:04:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 21:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:04:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:04:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:04:24,039 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 21:04:24,141 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:04:24,144 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:04:24,645 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:04:24,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:04:24,866 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 21:04:24,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:24 BoogieIcfgContainer [2022-12-13 21:04:24,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:04:24,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:04:24,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:04:24,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:04:24,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:04:23" (1/3) ... [2022-12-13 21:04:24,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf75ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:04:24, skipping insertion in model container [2022-12-13 21:04:24,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:23" (2/3) ... [2022-12-13 21:04:24,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf75ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:04:24, skipping insertion in model container [2022-12-13 21:04:24,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:24" (3/3) ... [2022-12-13 21:04:24,873 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2022-12-13 21:04:24,880 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:04:24,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:04:24,888 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-12-13 21:04:24,888 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:04:24,948 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 21:04:24,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 634 flow [2022-12-13 21:04:25,057 INFO L130 PetriNetUnfolder]: 17/302 cut-off events. [2022-12-13 21:04:25,057 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 21:04:25,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 302 events. 17/302 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 306 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 228. Up to 2 conditions per place. [2022-12-13 21:04:25,062 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 634 flow [2022-12-13 21:04:25,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 276 places, 282 transitions, 582 flow [2022-12-13 21:04:25,071 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:04:25,079 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 276 places, 282 transitions, 582 flow [2022-12-13 21:04:25,081 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 276 places, 282 transitions, 582 flow [2022-12-13 21:04:25,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 282 transitions, 582 flow [2022-12-13 21:04:25,124 INFO L130 PetriNetUnfolder]: 16/282 cut-off events. [2022-12-13 21:04:25,124 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 21:04:25,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 282 events. 16/282 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 303 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 228. Up to 2 conditions per place. [2022-12-13 21:04:25,128 INFO L119 LiptonReduction]: Number of co-enabled transitions 5682 [2022-12-13 21:04:38,201 INFO L134 LiptonReduction]: Checked pairs total: 39549 [2022-12-13 21:04:38,201 INFO L136 LiptonReduction]: Total number of compositions: 278 [2022-12-13 21:04:38,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:04:38,215 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;@8caf958, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:04:38,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-12-13 21:04:38,216 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:04:38,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:04:38,216 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:38,217 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:04:38,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:38,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:38,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1605, now seen corresponding path program 1 times [2022-12-13 21:04:38,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:38,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49085873] [2022-12-13 21:04:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:38,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:38,298 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 21:04:38,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:38,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49085873] [2022-12-13 21:04:38,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49085873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:38,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:38,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:04:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3847984] [2022-12-13 21:04:38,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:38,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:04:38,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:38,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:04:38,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:04:38,325 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 583 [2022-12-13 21:04:38,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 192 flow. Second operand has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 0 states have call successors, (0), 0 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 21:04:38,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:38,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 583 [2022-12-13 21:04:38,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:38,589 INFO L130 PetriNetUnfolder]: 546/1306 cut-off events. [2022-12-13 21:04:38,589 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-12-13 21:04:38,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2128 conditions, 1306 events. 546/1306 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8947 event pairs, 326 based on Foata normal form. 218/1247 useless extension candidates. Maximal degree in co-relation 1734. Up to 755 conditions per place. [2022-12-13 21:04:38,600 INFO L137 encePairwiseOnDemand]: 549/583 looper letters, 25 selfloop transitions, 0 changer transitions 1/53 dead transitions. [2022-12-13 21:04:38,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 53 transitions, 176 flow [2022-12-13 21:04:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:04:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:04:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 586 transitions. [2022-12-13 21:04:38,615 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5025728987993139 [2022-12-13 21:04:38,616 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 586 transitions. [2022-12-13 21:04:38,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 586 transitions. [2022-12-13 21:04:38,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:38,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 586 transitions. [2022-12-13 21:04:38,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 293.0) internal successors, (586), 2 states have internal predecessors, (586), 0 states have call successors, (0), 0 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 21:04:38,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 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 21:04:38,629 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 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 21:04:38,630 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 192 flow. Second operand 2 states and 586 transitions. [2022-12-13 21:04:38,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 53 transitions, 176 flow [2022-12-13 21:04:38,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 164 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 21:04:38,636 INFO L231 Difference]: Finished difference. Result has 53 places, 52 transitions, 109 flow [2022-12-13 21:04:38,637 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=52} [2022-12-13 21:04:38,640 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -36 predicate places. [2022-12-13 21:04:38,640 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 109 flow [2022-12-13 21:04:38,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 0 states have call successors, (0), 0 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 21:04:38,640 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:38,640 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:38,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:04:38,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:38,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:38,641 INFO L85 PathProgramCache]: Analyzing trace with hash 722808819, now seen corresponding path program 1 times [2022-12-13 21:04:38,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:38,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198021631] [2022-12-13 21:04:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:38,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:38,763 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 21:04:38,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:38,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198021631] [2022-12-13 21:04:38,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198021631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:38,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:38,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:04:38,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354209665] [2022-12-13 21:04:38,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:38,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:04:38,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:38,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:04:38,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:04:38,783 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 583 [2022-12-13 21:04:38,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 21:04:38,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:38,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 583 [2022-12-13 21:04:38,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:39,040 INFO L130 PetriNetUnfolder]: 875/1654 cut-off events. [2022-12-13 21:04:39,041 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-13 21:04:39,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 1654 events. 875/1654 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9764 event pairs, 603 based on Foata normal form. 0/1389 useless extension candidates. Maximal degree in co-relation 2905. Up to 1225 conditions per place. [2022-12-13 21:04:39,051 INFO L137 encePairwiseOnDemand]: 580/583 looper letters, 27 selfloop transitions, 1 changer transitions 0/50 dead transitions. [2022-12-13 21:04:39,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 161 flow [2022-12-13 21:04:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:04:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:04:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2022-12-13 21:04:39,055 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44082332761578047 [2022-12-13 21:04:39,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2022-12-13 21:04:39,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2022-12-13 21:04:39,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:39,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2022-12-13 21:04:39,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 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 21:04:39,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 583.0) internal successors, (2332), 4 states have internal predecessors, (2332), 0 states have call successors, (0), 0 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 21:04:39,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 583.0) internal successors, (2332), 4 states have internal predecessors, (2332), 0 states have call successors, (0), 0 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 21:04:39,064 INFO L175 Difference]: Start difference. First operand has 53 places, 52 transitions, 109 flow. Second operand 3 states and 771 transitions. [2022-12-13 21:04:39,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 161 flow [2022-12-13 21:04:39,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:04:39,066 INFO L231 Difference]: Finished difference. Result has 52 places, 50 transitions, 107 flow [2022-12-13 21:04:39,066 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=52, PETRI_TRANSITIONS=50} [2022-12-13 21:04:39,067 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -37 predicate places. [2022-12-13 21:04:39,067 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 107 flow [2022-12-13 21:04:39,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 21:04:39,067 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:39,067 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:39,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:04:39,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash -896567162, now seen corresponding path program 1 times [2022-12-13 21:04:39,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:39,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500221150] [2022-12-13 21:04:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:39,128 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 21:04:39,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:39,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500221150] [2022-12-13 21:04:39,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500221150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:39,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:39,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:04:39,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938195905] [2022-12-13 21:04:39,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:39,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:04:39,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:39,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:04:39,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:04:39,144 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 583 [2022-12-13 21:04:39,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 21:04:39,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:39,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 583 [2022-12-13 21:04:39,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:39,356 INFO L130 PetriNetUnfolder]: 903/1623 cut-off events. [2022-12-13 21:04:39,356 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-12-13 21:04:39,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2925 conditions, 1623 events. 903/1623 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8845 event pairs, 634 based on Foata normal form. 0/1323 useless extension candidates. Maximal degree in co-relation 2921. Up to 1264 conditions per place. [2022-12-13 21:04:39,365 INFO L137 encePairwiseOnDemand]: 580/583 looper letters, 27 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2022-12-13 21:04:39,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 159 flow [2022-12-13 21:04:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:04:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:04:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2022-12-13 21:04:39,369 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44596912521440824 [2022-12-13 21:04:39,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 780 transitions. [2022-12-13 21:04:39,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 780 transitions. [2022-12-13 21:04:39,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:39,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 780 transitions. [2022-12-13 21:04:39,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.0) internal successors, (780), 3 states have internal predecessors, (780), 0 states have call successors, (0), 0 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 21:04:39,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 583.0) internal successors, (2332), 4 states have internal predecessors, (2332), 0 states have call successors, (0), 0 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 21:04:39,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 583.0) internal successors, (2332), 4 states have internal predecessors, (2332), 0 states have call successors, (0), 0 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 21:04:39,376 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 107 flow. Second operand 3 states and 780 transitions. [2022-12-13 21:04:39,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 159 flow [2022-12-13 21:04:39,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:04:39,377 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 104 flow [2022-12-13 21:04:39,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2022-12-13 21:04:39,378 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -38 predicate places. [2022-12-13 21:04:39,378 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 104 flow [2022-12-13 21:04:39,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 21:04:39,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:39,378 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:39,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:04:39,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash 682045199, now seen corresponding path program 1 times [2022-12-13 21:04:39,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:39,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031362998] [2022-12-13 21:04:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:39,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:39,499 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 21:04:39,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:39,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031362998] [2022-12-13 21:04:39,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031362998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:39,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:39,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:04:39,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211856003] [2022-12-13 21:04:39,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:39,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:04:39,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:39,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:04:39,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:04:39,565 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 583 [2022-12-13 21:04:39,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 255.25) internal successors, (1021), 4 states have internal predecessors, (1021), 0 states have call successors, (0), 0 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 21:04:39,566 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:39,566 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 583 [2022-12-13 21:04:39,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:39,796 INFO L130 PetriNetUnfolder]: 546/1232 cut-off events. [2022-12-13 21:04:39,796 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 21:04:39,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 conditions, 1232 events. 546/1232 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7967 event pairs, 326 based on Foata normal form. 3/1014 useless extension candidates. Maximal degree in co-relation 2011. Up to 754 conditions per place. [2022-12-13 21:04:39,800 INFO L137 encePairwiseOnDemand]: 578/583 looper letters, 23 selfloop transitions, 4 changer transitions 1/51 dead transitions. [2022-12-13 21:04:39,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 51 transitions, 166 flow [2022-12-13 21:04:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:04:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:04:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1043 transitions. [2022-12-13 21:04:39,803 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4472555746140652 [2022-12-13 21:04:39,803 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1043 transitions. [2022-12-13 21:04:39,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1043 transitions. [2022-12-13 21:04:39,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:39,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1043 transitions. [2022-12-13 21:04:39,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 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 21:04:39,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 583.0) internal successors, (2915), 5 states have internal predecessors, (2915), 0 states have call successors, (0), 0 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 21:04:39,808 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 583.0) internal successors, (2915), 5 states have internal predecessors, (2915), 0 states have call successors, (0), 0 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 21:04:39,808 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 104 flow. Second operand 4 states and 1043 transitions. [2022-12-13 21:04:39,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 51 transitions, 166 flow [2022-12-13 21:04:39,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 51 transitions, 165 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:04:39,809 INFO L231 Difference]: Finished difference. Result has 55 places, 50 transitions, 129 flow [2022-12-13 21:04:39,809 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2022-12-13 21:04:39,809 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -34 predicate places. [2022-12-13 21:04:39,810 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 129 flow [2022-12-13 21:04:39,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 255.25) internal successors, (1021), 4 states have internal predecessors, (1021), 0 states have call successors, (0), 0 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 21:04:39,810 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:39,810 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:39,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:04:39,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash -348571486, now seen corresponding path program 1 times [2022-12-13 21:04:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:39,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920394717] [2022-12-13 21:04:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:39,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:04:40,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:40,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920394717] [2022-12-13 21:04:40,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920394717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:40,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:40,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:04:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645253254] [2022-12-13 21:04:40,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:40,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:04:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:04:40,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:04:40,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 583 [2022-12-13 21:04:40,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 0 states have call successors, (0), 0 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 21:04:40,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:40,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 583 [2022-12-13 21:04:40,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:41,085 INFO L130 PetriNetUnfolder]: 1442/2135 cut-off events. [2022-12-13 21:04:41,085 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 21:04:41,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4082 conditions, 2135 events. 1442/2135 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 10825 event pairs, 128 based on Foata normal form. 0/1883 useless extension candidates. Maximal degree in co-relation 4076. Up to 696 conditions per place. [2022-12-13 21:04:41,093 INFO L137 encePairwiseOnDemand]: 578/583 looper letters, 67 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2022-12-13 21:04:41,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 89 transitions, 349 flow [2022-12-13 21:04:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:04:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:04:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1546 transitions. [2022-12-13 21:04:41,096 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4419668381932533 [2022-12-13 21:04:41,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1546 transitions. [2022-12-13 21:04:41,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1546 transitions. [2022-12-13 21:04:41,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:41,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1546 transitions. [2022-12-13 21:04:41,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 257.6666666666667) internal successors, (1546), 6 states have internal predecessors, (1546), 0 states have call successors, (0), 0 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 21:04:41,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:41,104 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:41,104 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 129 flow. Second operand 6 states and 1546 transitions. [2022-12-13 21:04:41,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 89 transitions, 349 flow [2022-12-13 21:04:41,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 89 transitions, 341 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-13 21:04:41,106 INFO L231 Difference]: Finished difference. Result has 56 places, 49 transitions, 127 flow [2022-12-13 21:04:41,106 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=127, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2022-12-13 21:04:41,106 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -33 predicate places. [2022-12-13 21:04:41,106 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 127 flow [2022-12-13 21:04:41,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 0 states have call successors, (0), 0 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 21:04:41,107 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:41,107 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] [2022-12-13 21:04:41,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:04:41,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:41,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:41,108 INFO L85 PathProgramCache]: Analyzing trace with hash -564277143, now seen corresponding path program 1 times [2022-12-13 21:04:41,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:41,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951338338] [2022-12-13 21:04:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:41,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:04:41,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:41,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951338338] [2022-12-13 21:04:41,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951338338] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:04:41,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722757495] [2022-12-13 21:04:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:04:41,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:04:41,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:04:41,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:04:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:41,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 21:04:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:04:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:04:41,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:04:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:04:41,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722757495] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 21:04:41,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 21:04:41,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-13 21:04:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799644428] [2022-12-13 21:04:41,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:41,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:04:41,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:04:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:04:41,530 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 583 [2022-12-13 21:04:41,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 248.0) internal successors, (1240), 5 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 21:04:41,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:41,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 583 [2022-12-13 21:04:41,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:41,769 INFO L130 PetriNetUnfolder]: 614/1220 cut-off events. [2022-12-13 21:04:41,769 INFO L131 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2022-12-13 21:04:41,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 1220 events. 614/1220 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6843 event pairs, 217 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 2282. Up to 525 conditions per place. [2022-12-13 21:04:41,774 INFO L137 encePairwiseOnDemand]: 577/583 looper letters, 36 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2022-12-13 21:04:41,774 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 239 flow [2022-12-13 21:04:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:04:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 21:04:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1266 transitions. [2022-12-13 21:04:41,776 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43430531732418526 [2022-12-13 21:04:41,776 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1266 transitions. [2022-12-13 21:04:41,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1266 transitions. [2022-12-13 21:04:41,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:41,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1266 transitions. [2022-12-13 21:04:41,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 253.2) internal successors, (1266), 5 states have internal predecessors, (1266), 0 states have call successors, (0), 0 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 21:04:41,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 583.0) internal successors, (3498), 6 states have internal predecessors, (3498), 0 states have call successors, (0), 0 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 21:04:41,781 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 583.0) internal successors, (3498), 6 states have internal predecessors, (3498), 0 states have call successors, (0), 0 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 21:04:41,781 INFO L175 Difference]: Start difference. First operand has 56 places, 49 transitions, 127 flow. Second operand 5 states and 1266 transitions. [2022-12-13 21:04:41,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 239 flow [2022-12-13 21:04:41,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 62 transitions, 230 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:04:41,783 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 143 flow [2022-12-13 21:04:41,783 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=143, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2022-12-13 21:04:41,784 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -31 predicate places. [2022-12-13 21:04:41,784 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 143 flow [2022-12-13 21:04:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 248.0) internal successors, (1240), 5 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 21:04:41,784 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:41,784 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] [2022-12-13 21:04:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:04:41,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:04:41,986 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1771028036, now seen corresponding path program 1 times [2022-12-13 21:04:41,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:41,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046046532] [2022-12-13 21:04:41,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:04:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:42,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046046532] [2022-12-13 21:04:42,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046046532] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:42,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:42,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:04:42,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487157420] [2022-12-13 21:04:42,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:42,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:04:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:42,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:04:42,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:04:42,567 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 583 [2022-12-13 21:04:42,569 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 143 flow. Second operand has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 21:04:42,569 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:42,569 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 583 [2022-12-13 21:04:42,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:43,133 INFO L130 PetriNetUnfolder]: 653/1276 cut-off events. [2022-12-13 21:04:43,133 INFO L131 PetriNetUnfolder]: For 385/463 co-relation queries the response was YES. [2022-12-13 21:04:43,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1276 events. 653/1276 cut-off events. For 385/463 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7488 event pairs, 299 based on Foata normal form. 78/1285 useless extension candidates. Maximal degree in co-relation 2535. Up to 653 conditions per place. [2022-12-13 21:04:43,138 INFO L137 encePairwiseOnDemand]: 578/583 looper letters, 56 selfloop transitions, 4 changer transitions 0/77 dead transitions. [2022-12-13 21:04:43,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 77 transitions, 317 flow [2022-12-13 21:04:43,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:04:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:04:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1534 transitions. [2022-12-13 21:04:43,140 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43853630646083475 [2022-12-13 21:04:43,140 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1534 transitions. [2022-12-13 21:04:43,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1534 transitions. [2022-12-13 21:04:43,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:43,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1534 transitions. [2022-12-13 21:04:43,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.66666666666666) internal successors, (1534), 6 states have internal predecessors, (1534), 0 states have call successors, (0), 0 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 21:04:43,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:43,146 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:43,146 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 143 flow. Second operand 6 states and 1534 transitions. [2022-12-13 21:04:43,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 77 transitions, 317 flow [2022-12-13 21:04:43,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 77 transitions, 311 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 21:04:43,148 INFO L231 Difference]: Finished difference. Result has 60 places, 49 transitions, 143 flow [2022-12-13 21:04:43,148 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=143, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2022-12-13 21:04:43,149 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2022-12-13 21:04:43,149 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 143 flow [2022-12-13 21:04:43,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 21:04:43,149 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:04:43,150 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 21:04:43,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:04:43,150 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 21:04:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1124699742, now seen corresponding path program 1 times [2022-12-13 21:04:43,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:43,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459881470] [2022-12-13 21:04:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:04:43,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:43,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459881470] [2022-12-13 21:04:43,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459881470] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:43,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:43,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:04:43,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983744260] [2022-12-13 21:04:43,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:43,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:04:43,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:43,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:04:43,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:04:43,656 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 583 [2022-12-13 21:04:43,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 143 flow. Second operand has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 0 states have call successors, (0), 0 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 21:04:43,658 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:04:43,658 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 583 [2022-12-13 21:04:43,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:04:44,061 INFO L130 PetriNetUnfolder]: 525/1144 cut-off events. [2022-12-13 21:04:44,061 INFO L131 PetriNetUnfolder]: For 313/391 co-relation queries the response was YES. [2022-12-13 21:04:44,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2254 conditions, 1144 events. 525/1144 cut-off events. For 313/391 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6978 event pairs, 326 based on Foata normal form. 78/1153 useless extension candidates. Maximal degree in co-relation 2247. Up to 713 conditions per place. [2022-12-13 21:04:44,063 INFO L137 encePairwiseOnDemand]: 578/583 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2022-12-13 21:04:44,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 64 transitions, 269 flow [2022-12-13 21:04:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:04:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:04:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1522 transitions. [2022-12-13 21:04:44,065 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4351057747284162 [2022-12-13 21:04:44,066 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1522 transitions. [2022-12-13 21:04:44,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1522 transitions. [2022-12-13 21:04:44,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:04:44,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1522 transitions. [2022-12-13 21:04:44,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.66666666666666) internal successors, (1522), 6 states have internal predecessors, (1522), 0 states have call successors, (0), 0 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 21:04:44,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:44,071 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 583.0) internal successors, (4081), 7 states have internal predecessors, (4081), 0 states have call successors, (0), 0 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 21:04:44,071 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 143 flow. Second operand 6 states and 1522 transitions. [2022-12-13 21:04:44,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 64 transitions, 269 flow [2022-12-13 21:04:44,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 64 transitions, 262 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:04:44,072 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2022-12-13 21:04:44,072 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=583, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2022-12-13 21:04:44,072 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2022-12-13 21:04:44,073 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2022-12-13 21:04:44,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 0 states have call successors, (0), 0 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 21:04:44,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-12-13 21:04:44,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-12-13 21:04:44,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-12-13 21:04:44,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-12-13 21:04:44,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-12-13 21:04:44,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-12-13 21:04:44,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-12-13 21:04:44,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-12-13 21:04:44,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:04:44,081 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:44,085 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:04:44,085 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:04:44,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:04:44 BasicIcfg [2022-12-13 21:04:44,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:04:44,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:04:44,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:04:44,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:04:44,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:24" (3/4) ... [2022-12-13 21:04:44,090 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:04:44,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:04:44,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:04:44,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 21:04:44,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-13 21:04:44,098 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:04:44,098 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:04:44,098 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:04:44,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:04:44,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:04:44,139 INFO L158 Benchmark]: Toolchain (without parser) took 20537.14ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 123.6MB in the beginning and 190.9MB in the end (delta: -67.3MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,140 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:04:44,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.97ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 109.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.13ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 106.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,140 INFO L158 Benchmark]: Boogie Preprocessor took 46.09ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,141 INFO L158 Benchmark]: RCFGBuilder took 894.14ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 78.4MB in the end (delta: 23.9MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,141 INFO L158 Benchmark]: TraceAbstraction took 19218.43ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 77.7MB in the beginning and 45.6MB in the end (delta: 32.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,141 INFO L158 Benchmark]: Witness Printer took 51.13ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 45.6MB in the beginning and 190.9MB in the end (delta: -145.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-13 21:04:44,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.97ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 109.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.13ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 106.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.09ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 894.14ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 78.4MB in the end (delta: 23.9MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19218.43ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 77.7MB in the beginning and 45.6MB in the end (delta: 32.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Witness Printer took 51.13ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 45.6MB in the beginning and 190.9MB in the end (delta: -145.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.1s, 276 PlacesBefore, 89 PlacesAfterwards, 282 TransitionsBefore, 87 TransitionsAfterwards, 5682 CoEnabledTransitionPairs, 8 FixpointIterations, 187 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 10 ConcurrentYvCompositions, 8 ChoiceCompositions, 278 TotalNumberOfCompositions, 39549 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19139, independent: 18274, independent conditional: 0, independent unconditional: 18274, dependent: 865, dependent conditional: 0, dependent unconditional: 865, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3027, independent: 2928, independent conditional: 0, independent unconditional: 2928, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19139, independent: 15346, independent conditional: 0, independent unconditional: 15346, dependent: 766, dependent conditional: 0, dependent unconditional: 766, unknown: 3027, unknown conditional: 0, unknown unconditional: 3027] , Statistics on independence cache: Total cache size (in pairs): 861, Positive cache size: 805, Positive conditional cache size: 0, Positive unconditional cache size: 805, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 352 locations, 63 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 797 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 489 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1436 IncrementalHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 231 mSolverCounterUnsat, 58 mSDtfsCounter, 1436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 4 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 14/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:04:44,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7196ea9-d85e-467b-be6f-3134e9528efe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE