./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R --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 8e3c959108026afa89c4d07543133cda81a16d409ef9b7609f190c1caa51d799 --- 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-38b53e6 [2022-11-25 16:50:13,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:50:13,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:50:13,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:50:13,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:50:13,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:50:13,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:50:13,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:50:13,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:50:13,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:50:13,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:50:13,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:50:13,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:50:13,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:50:13,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:50:13,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:50:13,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:50:13,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:50:13,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:50:13,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:50:13,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:50:13,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:50:13,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:50:13,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:50:13,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:50:13,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:50:13,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:50:13,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:50:13,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:50:13,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:50:13,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:50:13,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:50:13,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:50:13,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:50:13,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:50:13,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:50:13,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:50:13,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:50:13,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:50:13,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:50:13,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:50:13,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:50:13,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:50:13,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:50:13,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:50:13,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:50:13,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:50:13,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:50:13,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:50:13,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:50:13,985 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:50:13,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:50:13,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:50:13,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:50:13,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:50:13,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:50:13,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:50:13,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:50:13,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:50:13,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:50:13,987 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:50:13,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:50:13,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:50:13,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:50:13,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:50:13,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:50:13,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:50:13,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:50:13,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:13,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:50:13,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:50:13,989 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:50:13,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:50:13,990 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_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e3c959108026afa89c4d07543133cda81a16d409ef9b7609f190c1caa51d799 [2022-11-25 16:50:14,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:50:14,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:50:14,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:50:14,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:50:14,355 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:50:14,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2022-11-25 16:50:17,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:50:17,805 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:50:17,805 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2022-11-25 16:50:17,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/data/02f9d1b9c/8708560fecf840eca1511fdd602bad63/FLAGe8847422b [2022-11-25 16:50:17,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/data/02f9d1b9c/8708560fecf840eca1511fdd602bad63 [2022-11-25 16:50:17,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:50:17,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:50:17,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:17,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:50:17,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:50:17,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:17" (1/1) ... [2022-11-25 16:50:17,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212138cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:17, skipping insertion in model container [2022-11-25 16:50:17,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:17" (1/1) ... [2022-11-25 16:50:17,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:50:17,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:50:18,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,067 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_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-11-25 16:50:18,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:18,077 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:50:18,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:50:18,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:50:18,124 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_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-11-25 16:50:18,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:18,140 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:50:18,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18 WrapperNode [2022-11-25 16:50:18,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:18,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:18,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:50:18,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:50:18,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,183 INFO L138 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-25 16:50:18,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:18,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:50:18,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:50:18,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:50:18,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:50:18,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:50:18,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:50:18,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:50:18,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (1/1) ... [2022-11-25 16:50:18,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:18,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:18,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:50:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:50:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 16:50:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 16:50:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 16:50:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 16:50:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:50:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:50:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:50:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 16:50:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 16:50:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:50:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:50:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:50:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:50:18,327 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:50:18,470 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:50:18,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:50:18,792 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:50:18,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:50:18,874 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 16:50:18,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:18 BoogieIcfgContainer [2022-11-25 16:50:18,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:50:18,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:50:18,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:50:18,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:50:18,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:50:17" (1/3) ... [2022-11-25 16:50:18,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d6e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:18, skipping insertion in model container [2022-11-25 16:50:18,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:18" (2/3) ... [2022-11-25 16:50:18,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d6e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:18, skipping insertion in model container [2022-11-25 16:50:18,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:18" (3/3) ... [2022-11-25 16:50:18,894 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2022-11-25 16:50:18,903 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:50:18,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:50:18,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-25 16:50:18,917 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:50:19,039 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 16:50:19,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 181 transitions, 378 flow [2022-11-25 16:50:19,164 INFO L130 PetriNetUnfolder]: 11/179 cut-off events. [2022-11-25 16:50:19,165 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:50:19,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 179 events. 11/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 308 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2022-11-25 16:50:19,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 181 transitions, 378 flow [2022-11-25 16:50:19,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 161 transitions, 334 flow [2022-11-25 16:50:19,183 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:50:19,199 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 161 transitions, 334 flow [2022-11-25 16:50:19,202 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 161 transitions, 334 flow [2022-11-25 16:50:19,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 161 transitions, 334 flow [2022-11-25 16:50:19,274 INFO L130 PetriNetUnfolder]: 10/161 cut-off events. [2022-11-25 16:50:19,283 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:50:19,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 161 events. 10/161 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 303 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2022-11-25 16:50:19,292 INFO L119 LiptonReduction]: Number of co-enabled transitions 6536 [2022-11-25 16:50:25,093 INFO L134 LiptonReduction]: Checked pairs total: 7109 [2022-11-25 16:50:25,094 INFO L136 LiptonReduction]: Total number of compositions: 211 [2022-11-25 16:50:25,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:50:25,135 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;@3184c42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:50:25,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-11-25 16:50:25,139 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 16:50:25,139 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:50:25,140 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:50:25,140 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 16:50:25,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-25 16:50:25,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash 787, now seen corresponding path program 1 times [2022-11-25 16:50:25,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:25,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790731502] [2022-11-25 16:50:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:25,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:25,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790731502] [2022-11-25 16:50:25,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790731502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:25,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:25,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 16:50:25,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535473008] [2022-11-25 16:50:25,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:25,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:50:25,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:25,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:50:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:50:25,311 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 392 [2022-11-25 16:50:25,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 90 flow. Second operand has 2 states, 2 states have (on average 161.5) internal successors, (323), 2 states have internal predecessors, (323), 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) [2022-11-25 16:50:25,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:50:25,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 392 [2022-11-25 16:50:25,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:50:25,380 INFO L130 PetriNetUnfolder]: 21/39 cut-off events. [2022-11-25 16:50:25,380 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-25 16:50:25,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 39 events. 21/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 9 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 60. Up to 40 conditions per place. [2022-11-25 16:50:25,384 INFO L137 encePairwiseOnDemand]: 365/392 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2022-11-25 16:50:25,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 12 transitions, 60 flow [2022-11-25 16:50:25,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:50:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 16:50:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 361 transitions. [2022-11-25 16:50:25,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4604591836734694 [2022-11-25 16:50:25,411 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 361 transitions. [2022-11-25 16:50:25,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 361 transitions. [2022-11-25 16:50:25,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:50:25,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 361 transitions. [2022-11-25 16:50:25,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 180.5) internal successors, (361), 2 states have internal predecessors, (361), 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) [2022-11-25 16:50:25,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 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) [2022-11-25 16:50:25,438 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 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) [2022-11-25 16:50:25,440 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 90 flow. Second operand 2 states and 361 transitions. [2022-11-25 16:50:25,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 12 transitions, 60 flow [2022-11-25 16:50:25,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:50:25,446 INFO L231 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2022-11-25 16:50:25,448 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=14, PETRI_TRANSITIONS=0} [2022-11-25 16:50:25,452 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, -30 predicate places. [2022-11-25 16:50:25,457 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2022-11-25 16:50:25,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 161.5) internal successors, (323), 2 states have internal predecessors, (323), 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) [2022-11-25 16:50:25,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2022-11-25 16:50:25,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-11-25 16:50:25,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-11-25 16:50:25,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-11-25 16:50:25,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-11-25 16:50:25,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-11-25 16:50:25,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-11-25 16:50:25,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-11-25 16:50:25,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-11-25 16:50:25,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-11-25 16:50:25,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-11-25 16:50:25,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-11-25 16:50:25,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-11-25 16:50:25,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-11-25 16:50:25,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-11-25 16:50:25,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-11-25 16:50:25,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-11-25 16:50:25,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-11-25 16:50:25,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-11-25 16:50:25,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-11-25 16:50:25,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-11-25 16:50:25,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-11-25 16:50:25,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-11-25 16:50:25,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-11-25 16:50:25,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-11-25 16:50:25,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-11-25 16:50:25,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-11-25 16:50:25,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 49 remaining) [2022-11-25 16:50:25,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 49 remaining) [2022-11-25 16:50:25,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-11-25 16:50:25,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-11-25 16:50:25,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-11-25 16:50:25,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-11-25 16:50:25,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-11-25 16:50:25,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-11-25 16:50:25,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-11-25 16:50:25,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-11-25 16:50:25,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-11-25 16:50:25,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-11-25 16:50:25,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-11-25 16:50:25,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-11-25 16:50:25,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-11-25 16:50:25,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-11-25 16:50:25,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-11-25 16:50:25,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-11-25 16:50:25,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-11-25 16:50:25,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-11-25 16:50:25,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-11-25 16:50:25,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-11-25 16:50:25,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:50:25,491 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:50:25,500 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 16:50:25,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:50:25,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:50:25 BasicIcfg [2022-11-25 16:50:25,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:50:25,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:50:25,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:50:25,512 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:50:25,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:18" (3/4) ... [2022-11-25 16:50:25,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:50:25,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 16:50:25,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 16:50:25,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-25 16:50:25,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 16:50:25,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:50:25,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:50:25,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:50:25,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:50:25,577 INFO L158 Benchmark]: Toolchain (without parser) took 7744.43ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 109.8MB in the beginning and 139.1MB in the end (delta: -29.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,577 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:25,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 97.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,578 INFO L158 Benchmark]: Boogie Preprocessor took 56.22ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 93.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:25,578 INFO L158 Benchmark]: RCFGBuilder took 635.43ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 70.8MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,579 INFO L158 Benchmark]: TraceAbstraction took 6631.14ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 69.9MB in the beginning and 142.2MB in the end (delta: -72.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,579 INFO L158 Benchmark]: Witness Printer took 65.00ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 139.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:25,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 97.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.22ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 93.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.43ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 70.8MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6631.14ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 69.9MB in the beginning and 142.2MB in the end (delta: -72.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 65.00ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 139.1MB in the end (delta: 3.1MB). 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: 5.9s, 158 PlacesBefore, 44 PlacesAfterwards, 161 TransitionsBefore, 39 TransitionsAfterwards, 6536 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 136 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 211 TotalNumberOfCompositions, 7109 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7109, independent: 7109, independent conditional: 0, independent unconditional: 7109, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3889, independent: 3889, independent conditional: 0, independent unconditional: 3889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3889, independent: 3866, independent conditional: 0, independent unconditional: 3866, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7109, independent: 3220, independent conditional: 0, independent unconditional: 3220, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3889, unknown conditional: 0, unknown unconditional: 3889] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 251 locations, 49 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: 6.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, 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, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 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=90occurred 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 16:50:25,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e1917f-0fb5-4c29-8c75-94bd1eed30ad/bin/uautomizer-ZsLfNo2U6R/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