./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/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_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/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_664f1574-a753-4779-ae02-39fffe9ec726/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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- 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 07:01:04,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:01:04,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:01:04,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:01:04,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:01:04,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:01:04,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:01:04,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:01:04,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:01:04,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:01:04,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:01:04,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:01:04,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:01:04,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:01:04,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:01:04,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:01:04,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:01:04,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:01:04,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:01:04,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:01:04,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:01:04,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:01:04,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:01:04,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:01:04,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:01:04,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:01:04,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:01:04,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:01:04,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:01:04,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:01:04,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:01:04,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:01:04,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:01:04,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:01:04,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:01:04,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:01:04,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:01:04,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:01:04,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:01:04,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:01:04,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:01:04,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:01:04,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:01:04,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:01:04,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:01:04,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:01:04,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:01:04,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:01:04,984 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:01:04,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:01:04,984 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:01:04,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:01:04,986 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:01:04,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:01:04,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:01:04,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:01:04,987 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:01:04,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:01:04,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:01:04,988 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:01:04,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:01:04,989 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:01:04,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:01:04,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:01:04,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:01:04,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:01:04,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:01:04,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:01:04,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:01:04,991 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:01:04,992 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:01:04,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:01:04,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:01:04,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:01:04,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:01:04,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:01:04,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:04,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:01:04,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:01:04,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:01:04,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:01:04,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:01:04,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:01:04,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:01:04,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:01:04,996 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_664f1574-a753-4779-ae02-39fffe9ec726/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2022-11-19 07:01:05,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:01:05,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:01:05,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:01:05,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:01:05,384 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:01:05,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-11-19 07:01:05,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/data/d2533728b/915a05bc52ad4ca39d7eadae1fd639e9/FLAG6ca3db7a4 [2022-11-19 07:01:06,130 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:01:06,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-11-19 07:01:06,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/data/d2533728b/915a05bc52ad4ca39d7eadae1fd639e9/FLAG6ca3db7a4 [2022-11-19 07:01:06,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/data/d2533728b/915a05bc52ad4ca39d7eadae1fd639e9 [2022-11-19 07:01:06,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:01:06,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:01:06,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:06,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:01:06,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:01:06,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:06" (1/1) ... [2022-11-19 07:01:06,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d177199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:06, skipping insertion in model container [2022-11-19 07:01:06,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:06" (1/1) ... [2022-11-19 07:01:06,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:01:06,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:01:06,712 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_664f1574-a753-4779-ae02-39fffe9ec726/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-11-19 07:01:06,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:06,929 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:01:06,946 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_664f1574-a753-4779-ae02-39fffe9ec726/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-11-19 07:01:06,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:07,034 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:01:07,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07 WrapperNode [2022-11-19 07:01:07,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:07,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:01:07,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:01:07,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:01:07,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,086 INFO L138 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 122 [2022-11-19 07:01:07,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:01:07,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:01:07,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:01:07,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:01:07,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:01:07,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:01:07,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:01:07,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:01:07,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (1/1) ... [2022-11-19 07:01:07,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:01:07,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:01:07,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:01:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:01:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-19 07:01:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-19 07:01:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:01:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:01:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:01:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:01:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:01:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:01:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:01:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:01:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:01:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:01:07,220 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 07:01:07,420 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:01:07,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:01:07,835 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:01:07,845 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:01:07,845 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:01:07,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:01:07 BoogieIcfgContainer [2022-11-19 07:01:07,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:01:07,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:01:07,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:01:07,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:01:07,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:01:06" (1/3) ... [2022-11-19 07:01:07,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:01:07, skipping insertion in model container [2022-11-19 07:01:07,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:07" (2/3) ... [2022-11-19 07:01:07,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:01:07, skipping insertion in model container [2022-11-19 07:01:07,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:01:07" (3/3) ... [2022-11-19 07:01:07,858 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-11-19 07:01:07,867 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:01:07,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:01:07,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-19 07:01:07,881 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:01:07,965 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-19 07:01:08,005 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:01:08,021 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 211 transitions, 438 flow [2022-11-19 07:01:08,030 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 211 transitions, 438 flow [2022-11-19 07:01:08,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 211 transitions, 438 flow [2022-11-19 07:01:08,214 INFO L130 PetriNetUnfolder]: 4/209 cut-off events. [2022-11-19 07:01:08,215 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 07:01:08,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 209 events. 4/209 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 252 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-11-19 07:01:08,234 INFO L119 LiptonReduction]: Number of co-enabled transitions 13532 [2022-11-19 07:01:15,460 INFO L134 LiptonReduction]: Checked pairs total: 68214 [2022-11-19 07:01:15,461 INFO L136 LiptonReduction]: Total number of compositions: 193 [2022-11-19 07:01:15,481 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 81 transitions, 178 flow [2022-11-19 07:01:15,856 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11285 states, 11131 states have (on average 3.023897223969095) internal successors, (33659), 11284 states have internal predecessors, (33659), 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 07:01:15,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:01:15,882 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;@35932836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:01:15,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-19 07:01:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 11285 states, 11131 states have (on average 3.023897223969095) internal successors, (33659), 11284 states have internal predecessors, (33659), 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 07:01:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 07:01:15,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:15,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 07:01:15,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:15,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:15,931 INFO L85 PathProgramCache]: Analyzing trace with hash 717116, now seen corresponding path program 1 times [2022-11-19 07:01:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:15,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192538823] [2022-11-19 07:01:15,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:16,119 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 07:01:16,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:16,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192538823] [2022-11-19 07:01:16,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192538823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:16,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:16,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:01:16,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646085371] [2022-11-19 07:01:16,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:16,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:01:16,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:16,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:01:16,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:01:16,198 INFO L87 Difference]: Start difference. First operand has 11285 states, 11131 states have (on average 3.023897223969095) internal successors, (33659), 11284 states have internal predecessors, (33659), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 07:01:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:16,513 INFO L93 Difference]: Finished difference Result 9026 states and 25662 transitions. [2022-11-19 07:01:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:01:16,516 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-19 07:01:16,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:16,590 INFO L225 Difference]: With dead ends: 9026 [2022-11-19 07:01:16,591 INFO L226 Difference]: Without dead ends: 9014 [2022-11-19 07:01:16,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 07:01:16,595 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:16,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:16,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2022-11-19 07:01:16,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 9014. [2022-11-19 07:01:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9014 states, 8961 states have (on average 2.86006026113157) internal successors, (25629), 9013 states have internal predecessors, (25629), 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 07:01:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9014 states to 9014 states and 25629 transitions. [2022-11-19 07:01:17,136 INFO L78 Accepts]: Start accepts. Automaton has 9014 states and 25629 transitions. Word has length 3 [2022-11-19 07:01:17,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:17,137 INFO L495 AbstractCegarLoop]: Abstraction has 9014 states and 25629 transitions. [2022-11-19 07:01:17,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 07:01:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 9014 states and 25629 transitions. [2022-11-19 07:01:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:01:17,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:17,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:17,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:01:17,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1747002275, now seen corresponding path program 1 times [2022-11-19 07:01:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:17,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486981682] [2022-11-19 07:01:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:17,334 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 07:01:17,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:17,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486981682] [2022-11-19 07:01:17,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486981682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:17,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:17,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:17,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447287506] [2022-11-19 07:01:17,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:17,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:17,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:17,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:17,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:17,338 INFO L87 Difference]: Start difference. First operand 9014 states and 25629 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:01:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:17,732 INFO L93 Difference]: Finished difference Result 9913 states and 28241 transitions. [2022-11-19 07:01:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:17,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-19 07:01:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:17,829 INFO L225 Difference]: With dead ends: 9913 [2022-11-19 07:01:17,829 INFO L226 Difference]: Without dead ends: 9913 [2022-11-19 07:01:17,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:17,833 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 39 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:01:17,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9913 states. [2022-11-19 07:01:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9913 to 9437. [2022-11-19 07:01:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9437 states, 9384 states have (on average 2.8621057118499573) internal successors, (26858), 9436 states have internal predecessors, (26858), 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 07:01:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9437 states to 9437 states and 26858 transitions. [2022-11-19 07:01:18,362 INFO L78 Accepts]: Start accepts. Automaton has 9437 states and 26858 transitions. Word has length 8 [2022-11-19 07:01:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:18,362 INFO L495 AbstractCegarLoop]: Abstraction has 9437 states and 26858 transitions. [2022-11-19 07:01:18,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:01:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 9437 states and 26858 transitions. [2022-11-19 07:01:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:01:18,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:18,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:18,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:01:18,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:18,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash -177099980, now seen corresponding path program 1 times [2022-11-19 07:01:18,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:18,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763499302] [2022-11-19 07:01:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:18,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:18,451 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 07:01:18,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:18,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763499302] [2022-11-19 07:01:18,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763499302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:18,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:18,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:18,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918571501] [2022-11-19 07:01:18,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:18,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:18,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:18,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:18,454 INFO L87 Difference]: Start difference. First operand 9437 states and 26858 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:01:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:18,778 INFO L93 Difference]: Finished difference Result 12873 states and 36255 transitions. [2022-11-19 07:01:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:18,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-19 07:01:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:18,842 INFO L225 Difference]: With dead ends: 12873 [2022-11-19 07:01:18,842 INFO L226 Difference]: Without dead ends: 12873 [2022-11-19 07:01:18,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:18,843 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 56 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:18,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 34 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:01:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12873 states. [2022-11-19 07:01:19,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12873 to 9488. [2022-11-19 07:01:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9488 states, 9444 states have (on average 2.8436044049131723) internal successors, (26855), 9487 states have internal predecessors, (26855), 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 07:01:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9488 states to 9488 states and 26855 transitions. [2022-11-19 07:01:19,522 INFO L78 Accepts]: Start accepts. Automaton has 9488 states and 26855 transitions. Word has length 8 [2022-11-19 07:01:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:19,524 INFO L495 AbstractCegarLoop]: Abstraction has 9488 states and 26855 transitions. [2022-11-19 07:01:19,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 07:01:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 9488 states and 26855 transitions. [2022-11-19 07:01:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:01:19,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:19,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:19,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:01:19,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:19,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:19,530 INFO L85 PathProgramCache]: Analyzing trace with hash -251120282, now seen corresponding path program 1 times [2022-11-19 07:01:19,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:19,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730917754] [2022-11-19 07:01:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:19,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:19,638 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 07:01:19,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:19,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730917754] [2022-11-19 07:01:19,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730917754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:19,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:19,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:19,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403102558] [2022-11-19 07:01:19,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:19,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:19,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:19,641 INFO L87 Difference]: Start difference. First operand 9488 states and 26855 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 07:01:19,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:19,908 INFO L93 Difference]: Finished difference Result 9477 states and 26806 transitions. [2022-11-19 07:01:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:19,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-19 07:01:19,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:19,955 INFO L225 Difference]: With dead ends: 9477 [2022-11-19 07:01:19,956 INFO L226 Difference]: Without dead ends: 9477 [2022-11-19 07:01:19,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:19,957 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 47 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:19,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 42 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:01:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9477 states. [2022-11-19 07:01:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9477 to 9477. [2022-11-19 07:01:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9477 states, 9437 states have (on average 2.840521352124616) internal successors, (26806), 9476 states have internal predecessors, (26806), 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 07:01:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9477 states to 9477 states and 26806 transitions. [2022-11-19 07:01:20,349 INFO L78 Accepts]: Start accepts. Automaton has 9477 states and 26806 transitions. Word has length 10 [2022-11-19 07:01:20,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:20,350 INFO L495 AbstractCegarLoop]: Abstraction has 9477 states and 26806 transitions. [2022-11-19 07:01:20,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 07:01:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 9477 states and 26806 transitions. [2022-11-19 07:01:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:01:20,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:20,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:20,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:01:20,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:20,353 INFO L85 PathProgramCache]: Analyzing trace with hash 647971211, now seen corresponding path program 1 times [2022-11-19 07:01:20,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:20,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266830204] [2022-11-19 07:01:20,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:20,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:20,569 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 07:01:20,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:20,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266830204] [2022-11-19 07:01:20,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266830204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:20,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:20,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:01:20,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984757167] [2022-11-19 07:01:20,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:20,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:20,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:20,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:20,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:20,579 INFO L87 Difference]: Start difference. First operand 9477 states and 26806 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 07:01:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:20,793 INFO L93 Difference]: Finished difference Result 5328 states and 13481 transitions. [2022-11-19 07:01:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:20,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-19 07:01:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:20,815 INFO L225 Difference]: With dead ends: 5328 [2022-11-19 07:01:20,815 INFO L226 Difference]: Without dead ends: 5328 [2022-11-19 07:01:20,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:20,816 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 141 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:20,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 31 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:01:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2022-11-19 07:01:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 4451. [2022-11-19 07:01:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 4414 states have (on average 2.558676937018577) internal successors, (11294), 4450 states have internal predecessors, (11294), 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 07:01:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 11294 transitions. [2022-11-19 07:01:21,036 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 11294 transitions. Word has length 13 [2022-11-19 07:01:21,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:21,036 INFO L495 AbstractCegarLoop]: Abstraction has 4451 states and 11294 transitions. [2022-11-19 07:01:21,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 07:01:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 11294 transitions. [2022-11-19 07:01:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 07:01:21,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:21,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:21,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:01:21,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:21,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:21,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1105362743, now seen corresponding path program 1 times [2022-11-19 07:01:21,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:21,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475486350] [2022-11-19 07:01:21,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:21,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:21,093 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 07:01:21,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:21,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475486350] [2022-11-19 07:01:21,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475486350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:21,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:21,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:21,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700615093] [2022-11-19 07:01:21,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:21,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:21,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:21,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:21,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:21,099 INFO L87 Difference]: Start difference. First operand 4451 states and 11294 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 07:01:21,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:21,290 INFO L93 Difference]: Finished difference Result 4621 states and 11746 transitions. [2022-11-19 07:01:21,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:21,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-11-19 07:01:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:21,311 INFO L225 Difference]: With dead ends: 4621 [2022-11-19 07:01:21,311 INFO L226 Difference]: Without dead ends: 4585 [2022-11-19 07:01:21,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:21,312 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:21,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 39 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:21,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2022-11-19 07:01:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 4444. [2022-11-19 07:01:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4444 states, 4414 states have (on average 2.5505210693248754) internal successors, (11258), 4443 states have internal predecessors, (11258), 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 07:01:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4444 states to 4444 states and 11258 transitions. [2022-11-19 07:01:21,520 INFO L78 Accepts]: Start accepts. Automaton has 4444 states and 11258 transitions. Word has length 14 [2022-11-19 07:01:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:21,520 INFO L495 AbstractCegarLoop]: Abstraction has 4444 states and 11258 transitions. [2022-11-19 07:01:21,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 07:01:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4444 states and 11258 transitions. [2022-11-19 07:01:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:01:21,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:21,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:21,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:01:21,522 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:21,523 INFO L85 PathProgramCache]: Analyzing trace with hash -2023454434, now seen corresponding path program 1 times [2022-11-19 07:01:21,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:21,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325890503] [2022-11-19 07:01:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:21,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:21,565 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 07:01:21,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:21,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325890503] [2022-11-19 07:01:21,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325890503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:21,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:21,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:21,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290845567] [2022-11-19 07:01:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:21,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:21,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:21,568 INFO L87 Difference]: Start difference. First operand 4444 states and 11258 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 07:01:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:21,737 INFO L93 Difference]: Finished difference Result 4768 states and 12166 transitions. [2022-11-19 07:01:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-11-19 07:01:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:21,753 INFO L225 Difference]: With dead ends: 4768 [2022-11-19 07:01:21,754 INFO L226 Difference]: Without dead ends: 4564 [2022-11-19 07:01:21,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:21,755 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 46 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:21,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 40 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4564 states. [2022-11-19 07:01:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4564 to 4390. [2022-11-19 07:01:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 4360 states have (on average 2.5428899082568805) internal successors, (11087), 4389 states have internal predecessors, (11087), 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 07:01:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 11087 transitions. [2022-11-19 07:01:21,872 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 11087 transitions. Word has length 16 [2022-11-19 07:01:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:21,872 INFO L495 AbstractCegarLoop]: Abstraction has 4390 states and 11087 transitions. [2022-11-19 07:01:21,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 07:01:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 11087 transitions. [2022-11-19 07:01:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:01:21,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:21,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:21,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:01:21,877 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:21,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1502800255, now seen corresponding path program 1 times [2022-11-19 07:01:21,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:21,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108185847] [2022-11-19 07:01:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:21,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:21,960 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 07:01:21,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:21,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108185847] [2022-11-19 07:01:21,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108185847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:21,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:21,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:21,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789816718] [2022-11-19 07:01:21,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:21,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:21,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:21,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:21,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:21,964 INFO L87 Difference]: Start difference. First operand 4390 states and 11087 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 07:01:22,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:22,157 INFO L93 Difference]: Finished difference Result 5791 states and 14766 transitions. [2022-11-19 07:01:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:22,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2022-11-19 07:01:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:22,181 INFO L225 Difference]: With dead ends: 5791 [2022-11-19 07:01:22,182 INFO L226 Difference]: Without dead ends: 5791 [2022-11-19 07:01:22,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:22,183 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 56 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:22,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 36 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2022-11-19 07:01:22,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 4392. [2022-11-19 07:01:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 4369 states have (on average 2.5376516365300983) internal successors, (11087), 4391 states have internal predecessors, (11087), 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 07:01:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 11087 transitions. [2022-11-19 07:01:22,391 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 11087 transitions. Word has length 19 [2022-11-19 07:01:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:22,391 INFO L495 AbstractCegarLoop]: Abstraction has 4392 states and 11087 transitions. [2022-11-19 07:01:22,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 07:01:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 11087 transitions. [2022-11-19 07:01:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:01:22,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:22,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:22,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:01:22,394 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:22,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:22,395 INFO L85 PathProgramCache]: Analyzing trace with hash 610137891, now seen corresponding path program 1 times [2022-11-19 07:01:22,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:22,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858317104] [2022-11-19 07:01:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:22,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:22,610 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 07:01:22,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:22,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858317104] [2022-11-19 07:01:22,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858317104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:22,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:22,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:22,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294663428] [2022-11-19 07:01:22,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:22,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:01:22,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:22,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:01:22,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:22,614 INFO L87 Difference]: Start difference. First operand 4392 states and 11087 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 07:01:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:22,787 INFO L93 Difference]: Finished difference Result 2902 states and 6121 transitions. [2022-11-19 07:01:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:22,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2022-11-19 07:01:22,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:22,798 INFO L225 Difference]: With dead ends: 2902 [2022-11-19 07:01:22,798 INFO L226 Difference]: Without dead ends: 2902 [2022-11-19 07:01:22,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:22,800 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 171 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:22,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 23 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-11-19 07:01:22,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2670. [2022-11-19 07:01:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2662 states have (on average 2.122839969947408) internal successors, (5651), 2669 states have internal predecessors, (5651), 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 07:01:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 5651 transitions. [2022-11-19 07:01:22,865 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 5651 transitions. Word has length 24 [2022-11-19 07:01:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:22,866 INFO L495 AbstractCegarLoop]: Abstraction has 2670 states and 5651 transitions. [2022-11-19 07:01:22,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 07:01:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 5651 transitions. [2022-11-19 07:01:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:01:22,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:22,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:22,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:01:22,868 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:22,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash 574183159, now seen corresponding path program 1 times [2022-11-19 07:01:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:22,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575898430] [2022-11-19 07:01:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:23,244 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 07:01:23,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:23,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575898430] [2022-11-19 07:01:23,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575898430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:23,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:23,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077040230] [2022-11-19 07:01:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:23,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:01:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:23,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:01:23,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:23,246 INFO L87 Difference]: Start difference. First operand 2670 states and 5651 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 07:01:23,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:23,377 INFO L93 Difference]: Finished difference Result 1235 states and 2305 transitions. [2022-11-19 07:01:23,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:23,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2022-11-19 07:01:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:23,382 INFO L225 Difference]: With dead ends: 1235 [2022-11-19 07:01:23,382 INFO L226 Difference]: Without dead ends: 1235 [2022-11-19 07:01:23,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:23,383 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 73 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:23,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 8 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2022-11-19 07:01:23,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1175. [2022-11-19 07:01:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 1.9088586030664396) internal successors, (2241), 1174 states have internal predecessors, (2241), 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 07:01:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2241 transitions. [2022-11-19 07:01:23,450 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2241 transitions. Word has length 27 [2022-11-19 07:01:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:23,452 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 2241 transitions. [2022-11-19 07:01:23,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 07:01:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2241 transitions. [2022-11-19 07:01:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:01:23,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:23,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:23,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:01:23,454 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-19 07:01:23,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:23,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1899856223, now seen corresponding path program 1 times [2022-11-19 07:01:23,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:23,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63273621] [2022-11-19 07:01:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:23,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:23,594 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 07:01:23,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:23,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63273621] [2022-11-19 07:01:23,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63273621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:23,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:23,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:23,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488331890] [2022-11-19 07:01:23,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:23,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:23,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:23,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:23,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:23,597 INFO L87 Difference]: Start difference. First operand 1175 states and 2241 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 07:01:23,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:23,711 INFO L93 Difference]: Finished difference Result 910 states and 1516 transitions. [2022-11-19 07:01:23,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:23,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-11-19 07:01:23,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:23,712 INFO L225 Difference]: With dead ends: 910 [2022-11-19 07:01:23,712 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:01:23,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:23,713 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:23,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 24 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:01:23,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:01:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:01:23,714 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 07:01:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:01:23,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-19 07:01:23,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:23,714 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:01:23,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 07:01:23,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:01:23,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:01:23,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-11-19 07:01:23,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2022-11-19 07:01:23,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-11-19 07:01:23,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-11-19 07:01:23,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2022-11-19 07:01:23,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2022-11-19 07:01:23,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-11-19 07:01:23,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-11-19 07:01:23,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-11-19 07:01:23,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-11-19 07:01:23,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-11-19 07:01:23,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-11-19 07:01:23,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-11-19 07:01:23,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-11-19 07:01:23,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:01:23,725 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:23,730 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:01:23,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:01:23,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:01:23 BasicIcfg [2022-11-19 07:01:23,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:01:23,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:01:23,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:01:23,734 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:01:23,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:01:07" (3/4) ... [2022-11-19 07:01:23,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:01:23,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2022-11-19 07:01:23,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 07:01:23,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-19 07:01:23,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:01:23,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:01:23,753 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:01:23,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:01:23,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:01:23,807 INFO L158 Benchmark]: Toolchain (without parser) took 17439.68ms. Allocated memory was 119.5MB in the beginning and 943.7MB in the end (delta: 824.2MB). Free memory was 79.4MB in the beginning and 665.1MB in the end (delta: -585.7MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,808 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:01:23,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.41ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 83.3MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.74ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 80.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,809 INFO L158 Benchmark]: Boogie Preprocessor took 34.76ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,810 INFO L158 Benchmark]: RCFGBuilder took 726.23ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 58.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,810 INFO L158 Benchmark]: TraceAbstraction took 15882.66ms. Allocated memory was 119.5MB in the beginning and 943.7MB in the end (delta: 824.2MB). Free memory was 58.1MB in the beginning and 668.3MB in the end (delta: -610.2MB). Peak memory consumption was 217.2MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,811 INFO L158 Benchmark]: Witness Printer took 73.23ms. Allocated memory is still 943.7MB. Free memory was 668.3MB in the beginning and 665.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:01:23,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.41ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 83.3MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.74ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 80.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.76ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.23ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 58.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 15882.66ms. Allocated memory was 119.5MB in the beginning and 943.7MB in the end (delta: 824.2MB). Free memory was 58.1MB in the beginning and 668.3MB in the end (delta: -610.2MB). Peak memory consumption was 217.2MB. Max. memory is 16.1GB. * Witness Printer took 73.23ms. Allocated memory is still 943.7MB. Free memory was 668.3MB in the beginning and 665.1MB 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: 7.4s, 214 PlacesBefore, 84 PlacesAfterwards, 211 TransitionsBefore, 81 TransitionsAfterwards, 13532 CoEnabledTransitionPairs, 10 FixpointIterations, 47 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 0 ChoiceCompositions, 193 TotalNumberOfCompositions, 68214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23752, independent: 22619, independent conditional: 0, independent unconditional: 22619, dependent: 1133, dependent conditional: 0, dependent unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10079, independent: 9909, independent conditional: 0, independent unconditional: 9909, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10079, independent: 9284, independent conditional: 0, independent unconditional: 9284, dependent: 795, dependent conditional: 0, dependent unconditional: 795, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 795, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 919, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 351, dependent conditional: 0, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23752, independent: 12710, independent conditional: 0, independent unconditional: 12710, dependent: 963, dependent conditional: 0, dependent unconditional: 963, unknown: 10079, unknown conditional: 0, unknown unconditional: 10079] , Statistics on independence cache: Total cache size (in pairs): 1394, Positive cache size: 1295, Positive conditional cache size: 0, Positive unconditional cache size: 1295, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, 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: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 280 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 710 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 710 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1319 IncrementalHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 232 mSDtfsCounter, 1319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11285occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 6744 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 609 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 07:01:23,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f1574-a753-4779-ae02-39fffe9ec726/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