./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --- 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-8393723 [2022-11-19 06:51:51,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:51:51,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:51:51,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:51:51,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:51:51,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:51:51,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:51:51,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:51:51,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:51:51,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:51:51,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:51:51,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:51:51,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:51:51,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:51:51,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:51:51,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:51:51,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:51:51,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:51:51,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:51:51,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:51:51,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:51:51,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:51:51,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:51:51,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:51:51,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:51:51,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:51:51,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:51:51,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:51:51,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:51:51,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:51:51,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:51:51,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:51:51,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:51:51,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:51:51,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:51:51,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:51:51,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:51:51,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:51:51,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:51:51,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:51:51,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:51:51,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:51:52,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:51:52,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:51:52,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:51:52,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:51:52,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:51:52,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:51:52,024 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:51:52,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:51:52,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:51:52,025 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:51:52,026 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:51:52,026 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:51:52,027 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:51:52,027 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:51:52,027 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:51:52,028 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:51:52,028 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:51:52,028 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:51:52,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:51:52,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:51:52,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:51:52,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:51:52,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:51:52,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:51:52,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:51:52,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:51:52,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:51:52,032 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:51:52,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:51:52,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:51:52,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:51:52,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:51:52,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:51:52,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:51:52,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:51:52,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:51:52,036 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:51:52,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:51:52,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:51:52,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:51:52,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:51:52,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:51:52,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:51:52,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 [2022-11-19 06:51:52,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:51:52,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:51:52,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:51:52,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:51:52,492 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:51:52,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-11-19 06:51:52,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/data/ea15c4e5a/66b581cc4ec34c44af68cf7b3b33ad0a/FLAG2d878f7d9 [2022-11-19 06:51:53,200 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:51:53,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-11-19 06:51:53,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/data/ea15c4e5a/66b581cc4ec34c44af68cf7b3b33ad0a/FLAG2d878f7d9 [2022-11-19 06:51:53,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/data/ea15c4e5a/66b581cc4ec34c44af68cf7b3b33ad0a [2022-11-19 06:51:53,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:51:53,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:51:53,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:51:53,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:51:53,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:51:53,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:53,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd505a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53, skipping insertion in model container [2022-11-19 06:51:53,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:53,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:51:53,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:51:53,861 WARN L234 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_a82bdd65-8b12-4f67-a50b-573c60960a60/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-11-19 06:51:53,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:51:53,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:51:53,907 WARN L234 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_a82bdd65-8b12-4f67-a50b-573c60960a60/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-11-19 06:51:53,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:51:53,928 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:51:53,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53 WrapperNode [2022-11-19 06:51:53,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:51:53,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:51:53,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:51:53,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:51:53,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:53,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,015 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 250 [2022-11-19 06:51:54,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:51:54,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:51:54,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:51:54,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:51:54,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:51:54,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:51:54,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:51:54,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:51:54,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (1/1) ... [2022-11-19 06:51:54,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:51:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:51:54,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:51:54,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:51:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:51:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 06:51:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 06:51:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 06:51:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 06:51:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:51:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:51:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:51:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:51:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:51:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:51:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:51:54,136 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:51:54,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:51:54,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:51:54,882 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:51:54,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:51:54,897 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:51:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:54 BoogieIcfgContainer [2022-11-19 06:51:54,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:51:54,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:51:54,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:51:54,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:51:54,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:51:53" (1/3) ... [2022-11-19 06:51:54,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b07f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:51:54, skipping insertion in model container [2022-11-19 06:51:54,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:53" (2/3) ... [2022-11-19 06:51:54,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b07f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:51:54, skipping insertion in model container [2022-11-19 06:51:54,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:54" (3/3) ... [2022-11-19 06:51:54,915 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2022-11-19 06:51:54,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:51:54,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:51:54,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-19 06:51:54,942 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:51:55,171 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-19 06:51:55,240 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:51:55,261 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 338 transitions, 692 flow [2022-11-19 06:51:55,267 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 338 transitions, 692 flow [2022-11-19 06:51:55,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 338 transitions, 692 flow [2022-11-19 06:51:55,558 INFO L130 PetriNetUnfolder]: 22/336 cut-off events. [2022-11-19 06:51:55,558 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 06:51:55,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 22/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 847 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-11-19 06:51:55,593 INFO L119 LiptonReduction]: Number of co-enabled transitions 24320 [2022-11-19 06:52:07,351 INFO L134 LiptonReduction]: Checked pairs total: 46990 [2022-11-19 06:52:07,352 INFO L136 LiptonReduction]: Total number of compositions: 420 [2022-11-19 06:52:07,360 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 85 transitions, 186 flow [2022-11-19 06:52:07,498 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2171 states, 1862 states have (on average 3.4833512352309346) internal successors, (6486), 2170 states have internal predecessors, (6486), 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) [2022-11-19 06:52:07,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:52:07,523 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=FINITE_AUTOMATA, 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;@6f09e8f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:52:07,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2022-11-19 06:52:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 2171 states, 1862 states have (on average 3.4833512352309346) internal successors, (6486), 2170 states have internal predecessors, (6486), 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) [2022-11-19 06:52:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 06:52:07,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:07,536 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 06:52:07,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-19 06:52:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1395, now seen corresponding path program 1 times [2022-11-19 06:52:07,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:07,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165702557] [2022-11-19 06:52:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:52:07,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165702557] [2022-11-19 06:52:07,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165702557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:07,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:07,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 06:52:07,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202890165] [2022-11-19 06:52:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:07,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:52:07,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:07,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:52:07,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:52:07,712 INFO L87 Difference]: Start difference. First operand has 2171 states, 1862 states have (on average 3.4833512352309346) internal successors, (6486), 2170 states have internal predecessors, (6486), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 06:52:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:07,868 INFO L93 Difference]: Finished difference Result 513 states and 1568 transitions. [2022-11-19 06:52:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:52:07,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-19 06:52:07,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:07,877 INFO L225 Difference]: With dead ends: 513 [2022-11-19 06:52:07,877 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:52:07,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:52:07,883 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:07,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:52:07,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:52:07,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:52:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-19 06:52:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:52:07,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-19 06:52:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:07,910 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:52:07,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-19 06:52:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:52:07,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:52:07,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2022-11-19 06:52:07,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2022-11-19 06:52:07,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2022-11-19 06:52:07,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2022-11-19 06:52:07,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2022-11-19 06:52:07,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2022-11-19 06:52:07,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2022-11-19 06:52:07,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2022-11-19 06:52:07,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2022-11-19 06:52:07,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2022-11-19 06:52:07,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2022-11-19 06:52:07,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2022-11-19 06:52:07,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2022-11-19 06:52:07,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2022-11-19 06:52:07,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2022-11-19 06:52:07,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2022-11-19 06:52:07,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2022-11-19 06:52:07,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2022-11-19 06:52:07,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2022-11-19 06:52:07,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2022-11-19 06:52:07,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2022-11-19 06:52:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2022-11-19 06:52:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2022-11-19 06:52:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2022-11-19 06:52:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2022-11-19 06:52:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2022-11-19 06:52:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2022-11-19 06:52:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2022-11-19 06:52:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2022-11-19 06:52:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2022-11-19 06:52:07,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2022-11-19 06:52:07,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2022-11-19 06:52:07,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2022-11-19 06:52:07,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2022-11-19 06:52:07,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2022-11-19 06:52:07,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2022-11-19 06:52:07,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2022-11-19 06:52:07,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2022-11-19 06:52:07,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2022-11-19 06:52:07,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2022-11-19 06:52:07,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2022-11-19 06:52:07,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2022-11-19 06:52:07,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2022-11-19 06:52:07,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2022-11-19 06:52:07,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2022-11-19 06:52:07,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2022-11-19 06:52:07,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2022-11-19 06:52:07,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2022-11-19 06:52:07,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2022-11-19 06:52:07,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2022-11-19 06:52:07,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2022-11-19 06:52:07,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2022-11-19 06:52:07,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2022-11-19 06:52:07,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2022-11-19 06:52:07,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2022-11-19 06:52:07,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2022-11-19 06:52:07,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2022-11-19 06:52:07,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2022-11-19 06:52:07,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:52:07,947 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 06:52:07,956 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:52:07,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:52:07,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:52:07 BasicIcfg [2022-11-19 06:52:07,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:52:07,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:52:07,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:52:07,966 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:52:07,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:54" (3/4) ... [2022-11-19 06:52:07,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:52:07,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 06:52:07,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 06:52:07,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-19 06:52:07,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 06:52:07,988 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:52:07,988 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:52:08,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:52:08,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:52:08,037 INFO L158 Benchmark]: Toolchain (without parser) took 14478.77ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 81.1MB in the beginning and 127.6MB in the end (delta: -46.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,037 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:52:08,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.35ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 90.8MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.09ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,038 INFO L158 Benchmark]: Boogie Preprocessor took 34.71ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,039 INFO L158 Benchmark]: RCFGBuilder took 849.29ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 62.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,039 INFO L158 Benchmark]: TraceAbstraction took 13061.05ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 62.0MB in the beginning and 131.8MB in the end (delta: -69.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,039 INFO L158 Benchmark]: Witness Printer took 71.35ms. Allocated memory is still 201.3MB. Free memory was 131.8MB in the beginning and 127.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:52:08,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.35ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 90.8MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.09ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.71ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 849.29ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 62.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13061.05ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 62.0MB in the beginning and 131.8MB in the end (delta: -69.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 71.35ms. Allocated memory is still 201.3MB. Free memory was 131.8MB in the beginning and 127.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1s, 323 PlacesBefore, 80 PlacesAfterwards, 338 TransitionsBefore, 85 TransitionsAfterwards, 24320 CoEnabledTransitionPairs, 9 FixpointIterations, 144 TrivialSequentialCompositions, 211 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 35 ConcurrentYvCompositions, 10 ChoiceCompositions, 420 TotalNumberOfCompositions, 46990 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30168, independent: 29650, independent conditional: 0, independent unconditional: 29650, dependent: 518, dependent conditional: 0, dependent unconditional: 518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18640, independent: 18541, independent conditional: 0, independent unconditional: 18541, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18640, independent: 17813, independent conditional: 0, independent unconditional: 17813, dependent: 827, dependent conditional: 0, dependent unconditional: 827, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 827, independent: 728, independent conditional: 0, independent unconditional: 728, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 787, independent: 601, independent conditional: 0, independent unconditional: 601, dependent: 186, dependent conditional: 0, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30168, independent: 11109, independent conditional: 0, independent unconditional: 11109, dependent: 419, dependent conditional: 0, dependent unconditional: 419, unknown: 18640, unknown conditional: 0, unknown unconditional: 18640] , Statistics on independence cache: Total cache size (in pairs): 899, Positive cache size: 857, Positive conditional cache size: 0, Positive unconditional cache size: 857, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 495 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 46 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=2171occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:52:08,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bdd65-8b12-4f67-a50b-573c60960a60/bin/utaipan-I9t0OCRTmS/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