./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-2b.i --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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --- 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 20:17:03,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:17:03,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:17:03,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:17:03,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:17:03,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:17:03,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:17:03,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:17:03,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:17:03,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:17:03,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:17:03,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:17:03,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:17:03,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:17:03,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:17:03,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:17:03,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:17:03,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:17:03,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:17:03,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:17:03,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:17:03,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:17:03,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:17:03,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:17:03,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:17:03,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:17:03,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:17:03,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:17:03,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:17:03,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:17:03,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:17:03,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:17:03,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:17:03,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:17:03,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:17:03,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:17:03,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:17:03,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:17:03,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:17:03,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:17:03,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:17:03,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:17:03,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:17:03,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:17:03,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:17:03,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:17:03,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:17:03,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:17:03,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:17:03,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:17:03,985 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:17:03,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:17:03,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:17:03,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:17:03,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:17:03,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:17:03,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:17:03,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:17:03,989 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:17:03,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:17:03,989 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:17:03,989 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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 [2022-12-13 20:17:04,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:17:04,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:17:04,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:17:04,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:17:04,196 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:17:04,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-lit/qw2004-2b.i [2022-12-13 20:17:06,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:17:06,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:17:07,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/sv-benchmarks/c/pthread-lit/qw2004-2b.i [2022-12-13 20:17:07,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/data/e93284517/eed26381656641dc960017e17ec94c33/FLAG15bfa620d [2022-12-13 20:17:07,397 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/data/e93284517/eed26381656641dc960017e17ec94c33 [2022-12-13 20:17:07,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:17:07,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:17:07,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:17:07,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:17:07,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:17:07,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f375fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07, skipping insertion in model container [2022-12-13 20:17:07,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:17:07,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:17:07,689 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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/sv-benchmarks/c/pthread-lit/qw2004-2b.i[30003,30016] [2022-12-13 20:17:07,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:17:07,716 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:17:07,740 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_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/sv-benchmarks/c/pthread-lit/qw2004-2b.i[30003,30016] [2022-12-13 20:17:07,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:17:07,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:17:07,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:17:07,776 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:17:07,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07 WrapperNode [2022-12-13 20:17:07,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:17:07,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:17:07,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:17:07,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:17:07,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,822 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 177 [2022-12-13 20:17:07,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:17:07,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:17:07,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:17:07,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:17:07,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:17:07,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:17:07,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:17:07,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:17:07,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (1/1) ... [2022-12-13 20:17:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:17:07,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:17:07,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:17:07,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:17:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-12-13 20:17:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 20:17:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:17:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:17:07,922 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 20:17:08,023 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:17:08,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:17:08,224 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:17:08,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:17:08,275 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:17:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:08 BoogieIcfgContainer [2022-12-13 20:17:08,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:17:08,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:17:08,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:17:08,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:17:08,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:17:07" (1/3) ... [2022-12-13 20:17:08,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcbae87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:17:08, skipping insertion in model container [2022-12-13 20:17:08,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:07" (2/3) ... [2022-12-13 20:17:08,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcbae87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:17:08, skipping insertion in model container [2022-12-13 20:17:08,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:08" (3/3) ... [2022-12-13 20:17:08,284 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2022-12-13 20:17:08,291 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:17:08,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:17:08,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-12-13 20:17:08,299 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:17:08,332 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 20:17:08,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 154 transitions, 313 flow [2022-12-13 20:17:08,419 INFO L130 PetriNetUnfolder]: 6/153 cut-off events. [2022-12-13 20:17:08,420 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:17:08,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 153 events. 6/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 186 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2022-12-13 20:17:08,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 154 transitions, 313 flow [2022-12-13 20:17:08,433 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 153 transitions, 309 flow [2022-12-13 20:17:08,436 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:17:08,446 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 309 flow [2022-12-13 20:17:08,449 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 309 flow [2022-12-13 20:17:08,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 309 flow [2022-12-13 20:17:08,485 INFO L130 PetriNetUnfolder]: 6/153 cut-off events. [2022-12-13 20:17:08,486 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:17:08,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 153 events. 6/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 182 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2022-12-13 20:17:08,493 INFO L119 LiptonReduction]: Number of co-enabled transitions 5320 [2022-12-13 20:17:10,728 INFO L134 LiptonReduction]: Checked pairs total: 7800 [2022-12-13 20:17:10,728 INFO L136 LiptonReduction]: Total number of compositions: 172 [2022-12-13 20:17:10,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:17:10,747 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;@1443b162, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:17:10,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-12-13 20:17:10,748 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 20:17:10,749 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:17:10,749 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:17:10,749 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 20:17:10,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 20:17:10,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:10,753 INFO L85 PathProgramCache]: Analyzing trace with hash 692, now seen corresponding path program 1 times [2022-12-13 20:17:10,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:10,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413346692] [2022-12-13 20:17:10,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:17:10,838 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 20:17:10,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:17:10,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413346692] [2022-12-13 20:17:10,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413346692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:17:10,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:17:10,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 20:17:10,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143293991] [2022-12-13 20:17:10,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:17:10,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:17:10,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:17:10,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:17:10,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:17:10,865 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 326 [2022-12-13 20:17:10,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 35 transitions, 73 flow. Second operand has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 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 20:17:10,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:17:10,867 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 326 [2022-12-13 20:17:10,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:17:10,905 INFO L130 PetriNetUnfolder]: 49/92 cut-off events. [2022-12-13 20:17:10,906 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:17:10,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 92 events. 49/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 243 event pairs, 30 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 180. Up to 93 conditions per place. [2022-12-13 20:17:10,907 INFO L137 encePairwiseOnDemand]: 307/326 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2022-12-13 20:17:10,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 16 transitions, 67 flow [2022-12-13 20:17:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:17:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:17:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 283 transitions. [2022-12-13 20:17:10,920 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4340490797546012 [2022-12-13 20:17:10,920 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 283 transitions. [2022-12-13 20:17:10,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 283 transitions. [2022-12-13 20:17:10,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:17:10,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 283 transitions. [2022-12-13 20:17:10,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 141.5) internal successors, (283), 2 states have internal predecessors, (283), 0 states have call successors, (0), 0 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 20:17:10,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:17:10,932 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:17:10,933 INFO L175 Difference]: Start difference. First operand has 36 places, 35 transitions, 73 flow. Second operand 2 states and 283 transitions. [2022-12-13 20:17:10,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 16 transitions, 67 flow [2022-12-13 20:17:10,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 16 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:17:10,936 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2022-12-13 20:17:10,938 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2022-12-13 20:17:10,942 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, -19 predicate places. [2022-12-13 20:17:10,942 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2022-12-13 20:17:10,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 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 20:17:10,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-12-13 20:17:10,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-12-13 20:17:10,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-12-13 20:17:10,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-12-13 20:17:10,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-12-13 20:17:10,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-12-13 20:17:10,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-12-13 20:17:10,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-12-13 20:17:10,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-12-13 20:17:10,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-12-13 20:17:10,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-12-13 20:17:10,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-12-13 20:17:10,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-12-13 20:17:10,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-12-13 20:17:10,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2022-12-13 20:17:10,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2022-12-13 20:17:10,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-12-13 20:17:10,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-12-13 20:17:10,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-12-13 20:17:10,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-12-13 20:17:10,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-12-13 20:17:10,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-12-13 20:17:10,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:17:10,950 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:17:10,957 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:17:10,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:17:10,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:17:10 BasicIcfg [2022-12-13 20:17:10,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:17:10,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:17:10,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:17:10,963 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:17:10,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:08" (3/4) ... [2022-12-13 20:17:10,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:17:10,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure BCSP_PnpStop [2022-12-13 20:17:10,975 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-12-13 20:17:10,975 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 20:17:10,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:17:10,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:17:11,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:17:11,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:17:11,017 INFO L158 Benchmark]: Toolchain (without parser) took 3610.66ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 103.8MB in the beginning and 76.5MB in the end (delta: 27.3MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,017 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory was 106.4MB in the beginning and 106.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:17:11,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.06ms. Allocated memory is still 140.5MB. Free memory was 103.4MB in the beginning and 81.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 140.5MB. Free memory was 81.5MB in the beginning and 79.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,018 INFO L158 Benchmark]: Boogie Preprocessor took 26.15ms. Allocated memory is still 140.5MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,018 INFO L158 Benchmark]: RCFGBuilder took 428.17ms. Allocated memory is still 140.5MB. Free memory was 77.7MB in the beginning and 54.7MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,019 INFO L158 Benchmark]: TraceAbstraction took 2682.80ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 53.9MB in the beginning and 80.7MB in the end (delta: -26.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,019 INFO L158 Benchmark]: Witness Printer took 53.70ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 76.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:11,021 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 140.5MB. Free memory was 106.4MB in the beginning and 106.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.06ms. Allocated memory is still 140.5MB. Free memory was 103.4MB in the beginning and 81.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 140.5MB. Free memory was 81.5MB in the beginning and 79.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.15ms. Allocated memory is still 140.5MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.17ms. Allocated memory is still 140.5MB. Free memory was 77.7MB in the beginning and 54.7MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2682.80ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 53.9MB in the beginning and 80.7MB in the end (delta: -26.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Witness Printer took 53.70ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 76.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 151 PlacesBefore, 36 PlacesAfterwards, 153 TransitionsBefore, 35 TransitionsAfterwards, 5320 CoEnabledTransitionPairs, 7 FixpointIterations, 55 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 3 ChoiceCompositions, 172 TotalNumberOfCompositions, 7800 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5284, independent: 5079, independent conditional: 0, independent unconditional: 5079, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3050, independent: 2991, independent conditional: 0, independent unconditional: 2991, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5284, independent: 2088, independent conditional: 0, independent unconditional: 2088, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 3050, unknown conditional: 0, unknown unconditional: 3050] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: 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 3 procedures, 187 locations, 27 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: 2.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:17:11,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b7f5bb-609f-414f-aad3-edb4a0f8ee07/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE