./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/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_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/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_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/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 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 --- 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 16:06:01,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:06:01,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:06:01,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:06:01,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:06:01,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:06:01,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:06:01,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:06:01,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:06:01,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:06:01,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:06:01,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:06:01,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:06:01,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:06:01,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:06:01,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:06:01,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:06:01,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:06:01,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:06:01,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:06:01,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:06:01,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:06:01,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:06:01,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:06:01,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:06:01,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:06:01,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:06:01,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:06:01,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:06:01,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:06:01,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:06:01,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:06:01,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:06:01,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:06:01,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:06:01,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:06:01,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:06:01,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:06:01,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:06:01,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:06:01,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:06:01,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 16:06:01,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:06:01,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:06:01,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:06:01,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:06:01,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:06:01,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:06:01,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:06:01,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:06:01,109 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:06:01,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:06:01,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:06:01,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:06:01,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:06:01,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:06:01,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:06:01,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:06:01,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:06:01,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:06:01,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:06:01,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:06:01,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:06:01,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:06:01,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:06:01,114 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:06:01,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:06:01,114 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:06:01,114 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_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 [2022-12-13 16:06:01,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:06:01,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:06:01,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:06:01,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:06:01,357 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:06:01,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe004_tso.i [2022-12-13 16:06:03,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:06:04,099 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:06:04,100 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/sv-benchmarks/c/pthread-wmm/safe004_tso.i [2022-12-13 16:06:04,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/data/86df8cd33/b4ea062fc9fe4f12aa15240b97d3fcb6/FLAGbe5af6a4a [2022-12-13 16:06:04,458 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/data/86df8cd33/b4ea062fc9fe4f12aa15240b97d3fcb6 [2022-12-13 16:06:04,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:06:04,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:06:04,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:06:04,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:06:04,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:06:04,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24db3e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04, skipping insertion in model container [2022-12-13 16:06:04,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:06:04,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:06:04,631 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_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/sv-benchmarks/c/pthread-wmm/safe004_tso.i[945,958] [2022-12-13 16:06:04,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:06:04,779 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:06:04,788 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_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/sv-benchmarks/c/pthread-wmm/safe004_tso.i[945,958] [2022-12-13 16:06:04,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 16:06:04,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 16:06:04,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:06:04,854 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:06:04,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04 WrapperNode [2022-12-13 16:06:04,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:06:04,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:06:04,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:06:04,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:06:04,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,885 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2022-12-13 16:06:04,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:06:04,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:06:04,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:06:04,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:06:04,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:06:04,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:06:04,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:06:04,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:06:04,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (1/1) ... [2022-12-13 16:06:04,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:06:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:06:04,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:06:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:06:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:06:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 16:06:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:06:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:06:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:06:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 16:06:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 16:06:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 16:06:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 16:06:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 16:06:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 16:06:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:06:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 16:06:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:06:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:06:04,967 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 16:06:05,090 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:06:05,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:06:05,283 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:06:05,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:06:05,371 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:06:05,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:06:05 BoogieIcfgContainer [2022-12-13 16:06:05,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:06:05,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:06:05,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:06:05,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:06:05,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:06:04" (1/3) ... [2022-12-13 16:06:05,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a38199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:06:05, skipping insertion in model container [2022-12-13 16:06:05,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:06:04" (2/3) ... [2022-12-13 16:06:05,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a38199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:06:05, skipping insertion in model container [2022-12-13 16:06:05,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:06:05" (3/3) ... [2022-12-13 16:06:05,379 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_tso.i [2022-12-13 16:06:05,386 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:06:05,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:06:05,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-12-13 16:06:05,394 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:06:05,431 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 16:06:05,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-12-13 16:06:05,489 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-12-13 16:06:05,489 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:06:05,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-12-13 16:06:05,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-12-13 16:06:05,496 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-12-13 16:06:05,499 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:06:05,506 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 114 transitions, 237 flow [2022-12-13 16:06:05,508 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 114 transitions, 237 flow [2022-12-13 16:06:05,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 114 transitions, 237 flow [2022-12-13 16:06:05,526 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-12-13 16:06:05,526 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:06:05,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-12-13 16:06:05,528 INFO L119 LiptonReduction]: Number of co-enabled transitions 3916 [2022-12-13 16:06:08,890 INFO L134 LiptonReduction]: Checked pairs total: 12133 [2022-12-13 16:06:08,891 INFO L136 LiptonReduction]: Total number of compositions: 97 [2022-12-13 16:06:08,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:06:08,909 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;@1692b825, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:06:08,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-12-13 16:06:08,911 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-13 16:06:08,911 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:06:08,911 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:06:08,912 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 16:06:08,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-12-13 16:06:08,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:06:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 592728, now seen corresponding path program 1 times [2022-12-13 16:06:08,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:06:08,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148406812] [2022-12-13 16:06:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:06:08,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:06:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:06:09,056 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 16:06:09,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:06:09,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148406812] [2022-12-13 16:06:09,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148406812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:06:09,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:06:09,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:06:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475320612] [2022-12-13 16:06:09,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:06:09,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:06:09,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:06:09,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:06:09,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:06:09,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 214 [2022-12-13 16:06:09,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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 16:06:09,087 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:06:09,087 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 214 [2022-12-13 16:06:09,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:06:09,225 INFO L130 PetriNetUnfolder]: 423/656 cut-off events. [2022-12-13 16:06:09,225 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 16:06:09,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 656 events. 423/656 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2296 event pairs, 423 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 1348. Up to 657 conditions per place. [2022-12-13 16:06:09,229 INFO L137 encePairwiseOnDemand]: 191/214 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2022-12-13 16:06:09,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 17 transitions, 77 flow [2022-12-13 16:06:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:06:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 16:06:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 198 transitions. [2022-12-13 16:06:09,239 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46261682242990654 [2022-12-13 16:06:09,239 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 198 transitions. [2022-12-13 16:06:09,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 198 transitions. [2022-12-13 16:06:09,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:06:09,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 198 transitions. [2022-12-13 16:06:09,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 16:06:09,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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 16:06:09,248 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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 16:06:09,250 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 2 states and 198 transitions. [2022-12-13 16:06:09,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 17 transitions, 77 flow [2022-12-13 16:06:09,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 16:06:09,252 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2022-12-13 16:06:09,254 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2022-12-13 16:06:09,257 INFO L288 CegarLoopForPetriNet]: 50 programPoint places, -25 predicate places. [2022-12-13 16:06:09,257 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2022-12-13 16:06:09,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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 16:06:09,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-12-13 16:06:09,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-12-13 16:06:09,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-12-13 16:06:09,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-12-13 16:06:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-12-13 16:06:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2022-12-13 16:06:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2022-12-13 16:06:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2022-12-13 16:06:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2022-12-13 16:06:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2022-12-13 16:06:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-12-13 16:06:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-12-13 16:06:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-12-13 16:06:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-12-13 16:06:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-12-13 16:06:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-12-13 16:06:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-12-13 16:06:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-12-13 16:06:09,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2022-12-13 16:06:09,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2022-12-13 16:06:09,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2022-12-13 16:06:09,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2022-12-13 16:06:09,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-12-13 16:06:09,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2022-12-13 16:06:09,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2022-12-13 16:06:09,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2022-12-13 16:06:09,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2022-12-13 16:06:09,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2022-12-13 16:06:09,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2022-12-13 16:06:09,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2022-12-13 16:06:09,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-12-13 16:06:09,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-12-13 16:06:09,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-12-13 16:06:09,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-12-13 16:06:09,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-12-13 16:06:09,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:06:09,268 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:06:09,274 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:06:09,275 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:06:09,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:06:09 BasicIcfg [2022-12-13 16:06:09,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:06:09,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:06:09,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:06:09,279 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:06:09,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:06:05" (3/4) ... [2022-12-13 16:06:09,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:06:09,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 16:06:09,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 16:06:09,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 16:06:09,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2022-12-13 16:06:09,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-12-13 16:06:09,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 16:06:09,296 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:06:09,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:06:09,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:06:09,341 INFO L158 Benchmark]: Toolchain (without parser) took 4880.21ms. Allocated memory was 226.5MB in the beginning and 329.3MB in the end (delta: 102.8MB). Free memory was 160.5MB in the beginning and 240.3MB in the end (delta: -79.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,341 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 226.5MB. Free memory is still 203.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:06:09,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.47ms. Allocated memory is still 226.5MB. Free memory was 160.3MB in the beginning and 136.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.51ms. Allocated memory is still 226.5MB. Free memory was 136.6MB in the beginning and 134.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,342 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 226.5MB. Free memory was 134.6MB in the beginning and 133.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:06:09,342 INFO L158 Benchmark]: RCFGBuilder took 468.54ms. Allocated memory is still 226.5MB. Free memory was 133.0MB in the beginning and 176.0MB in the end (delta: -43.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,342 INFO L158 Benchmark]: TraceAbstraction took 3903.62ms. Allocated memory was 226.5MB in the beginning and 329.3MB in the end (delta: 102.8MB). Free memory was 175.0MB in the beginning and 245.6MB in the end (delta: -70.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,343 INFO L158 Benchmark]: Witness Printer took 61.31ms. Allocated memory is still 329.3MB. Free memory was 245.6MB in the beginning and 240.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 16:06:09,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 226.5MB. Free memory is still 203.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.47ms. Allocated memory is still 226.5MB. Free memory was 160.3MB in the beginning and 136.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.51ms. Allocated memory is still 226.5MB. Free memory was 136.6MB in the beginning and 134.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 226.5MB. Free memory was 134.6MB in the beginning and 133.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.54ms. Allocated memory is still 226.5MB. Free memory was 133.0MB in the beginning and 176.0MB in the end (delta: -43.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3903.62ms. Allocated memory was 226.5MB in the beginning and 329.3MB in the end (delta: 102.8MB). Free memory was 175.0MB in the beginning and 245.6MB in the end (delta: -70.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 61.31ms. Allocated memory is still 329.3MB. Free memory was 245.6MB in the beginning and 240.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 122 PlacesBefore, 50 PlacesAfterwards, 114 TransitionsBefore, 40 TransitionsAfterwards, 3916 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 97 TotalNumberOfCompositions, 12133 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5206, independent: 4958, independent conditional: 0, independent unconditional: 4958, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2051, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5206, independent: 2980, independent conditional: 0, independent unconditional: 2980, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 2051, unknown conditional: 0, unknown unconditional: 2051] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: 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, 154 locations, 40 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: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, 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, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 16:06:09,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f95a9f-fd2f-4a24-b8d6-4e8420a30ed4/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