./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI --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 b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd --- 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-5e519f3 [2022-11-03 03:32:30,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:32:30,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:32:30,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:32:30,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:32:30,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:32:30,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:32:30,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:32:30,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:32:30,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:32:30,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:32:30,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:32:30,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:32:30,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:32:30,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:32:30,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:32:30,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:32:30,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:32:30,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:32:30,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:32:30,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:32:30,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:32:30,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:32:30,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:32:30,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:32:30,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:32:30,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:32:30,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:32:30,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:32:30,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:32:30,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:32:30,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:32:30,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:32:30,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:32:30,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:32:30,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:32:30,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:32:30,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:32:30,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:32:30,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:32:30,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:32:30,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:32:30,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:32:30,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:32:30,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:32:30,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:32:30,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:32:30,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:32:30,932 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:32:30,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:32:30,932 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:32:30,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:32:30,933 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:32:30,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:32:30,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:32:30,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:32:30,934 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:32:30,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:32:30,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:32:30,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:32:30,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:32:30,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:32:30,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:32:30,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:32:30,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:32:30,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:32:30,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:32:30,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:32:30,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:32:30,938 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:32:30,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:32:30,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:32:30,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:32:30,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:32:30,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:32:30,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:32:30,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:30,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:32:30,941 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:32:30,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:32:30,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:32:30,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:32:30,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:32:30,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:32:30,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:32:30,943 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_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd [2022-11-03 03:32:31,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:32:31,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:32:31,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:32:31,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:32:31,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:32:31,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-11-03 03:32:31,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/data/828eee87e/bd3a701f04134e23b453fb938228a4b8/FLAGf7f9e07fd [2022-11-03 03:32:31,935 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:32:31,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-11-03 03:32:31,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/data/828eee87e/bd3a701f04134e23b453fb938228a4b8/FLAGf7f9e07fd [2022-11-03 03:32:32,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/data/828eee87e/bd3a701f04134e23b453fb938228a4b8 [2022-11-03 03:32:32,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:32:32,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:32:32,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:32,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:32:32,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:32:32,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:32" (1/1) ... [2022-11-03 03:32:32,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6f54f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:32, skipping insertion in model container [2022-11-03 03:32:32,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:32" (1/1) ... [2022-11-03 03:32:32,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:32:32,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:32:32,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:32,996 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:32:33,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:33,134 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:32:33,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33 WrapperNode [2022-11-03 03:32:33,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:33,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:33,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:32:33,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:32:33,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,203 INFO L138 Inliner]: procedures = 265, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-11-03 03:32:33,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:33,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:32:33,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:32:33,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:32:33,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:32:33,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:32:33,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:32:33,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:32:33,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (1/1) ... [2022-11-03 03:32:33,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:33,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:33,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:32:33,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:32:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:32:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 03:32:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 03:32:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:32:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:32:33,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:32:33,372 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:32:33,539 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:32:33,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:32:33,834 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:32:33,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:32:33,852 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:32:33,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:33 BoogieIcfgContainer [2022-11-03 03:32:33,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:32:33,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:32:33,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:32:33,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:32:33,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:32:32" (1/3) ... [2022-11-03 03:32:33,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e112ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:32:33, skipping insertion in model container [2022-11-03 03:32:33,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:33" (2/3) ... [2022-11-03 03:32:33,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e112ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:32:33, skipping insertion in model container [2022-11-03 03:32:33,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:33" (3/3) ... [2022-11-03 03:32:33,871 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_28-base_nr.i [2022-11-03 03:32:33,886 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:32:33,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:32:33,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-03 03:32:33,901 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:32:33,998 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:32:34,058 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:32:34,074 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 86 transitions, 177 flow [2022-11-03 03:32:34,084 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 86 transitions, 177 flow [2022-11-03 03:32:34,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 177 flow [2022-11-03 03:32:34,189 INFO L130 PetriNetUnfolder]: 0/85 cut-off events. [2022-11-03 03:32:34,189 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 03:32:34,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 0/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-03 03:32:34,195 INFO L118 LiptonReduction]: Number of co-enabled transitions 1488 [2022-11-03 03:32:37,368 INFO L133 LiptonReduction]: Checked pairs total: 5550 [2022-11-03 03:32:37,369 INFO L135 LiptonReduction]: Total number of compositions: 66 [2022-11-03 03:32:37,377 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 27 transitions, 59 flow [2022-11-03 03:32:37,402 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 166 states, 155 states have (on average 1.961290322580645) internal successors, (304), 165 states have internal predecessors, (304), 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) [2022-11-03 03:32:37,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:32:37,427 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;@2387fca3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:32:37,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-03 03:32:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 155 states have (on average 1.961290322580645) internal successors, (304), 165 states have internal predecessors, (304), 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) [2022-11-03 03:32:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 03:32:37,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:37,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 03:32:37,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:37,440 INFO L85 PathProgramCache]: Analyzing trace with hash 294958, now seen corresponding path program 1 times [2022-11-03 03:32:37,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:37,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688136524] [2022-11-03 03:32:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:37,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:37,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:37,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688136524] [2022-11-03 03:32:37,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688136524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:37,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:37,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 03:32:37,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555204675] [2022-11-03 03:32:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:37,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:32:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:37,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:32:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:32:37,722 INFO L87 Difference]: Start difference. First operand has 166 states, 155 states have (on average 1.961290322580645) internal successors, (304), 165 states have internal predecessors, (304), 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) [2022-11-03 03:32:37,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:37,792 INFO L93 Difference]: Finished difference Result 154 states and 281 transitions. [2022-11-03 03:32:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:32:37,795 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 [2022-11-03 03:32:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:37,812 INFO L225 Difference]: With dead ends: 154 [2022-11-03 03:32:37,812 INFO L226 Difference]: Without dead ends: 154 [2022-11-03 03:32:37,813 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 [2022-11-03 03:32:37,819 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:37,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:32:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-03 03:32:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-11-03 03:32:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 146 states have (on average 1.9246575342465753) internal successors, (281), 153 states have internal predecessors, (281), 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) [2022-11-03 03:32:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 281 transitions. [2022-11-03 03:32:37,892 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 281 transitions. Word has length 3 [2022-11-03 03:32:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:37,893 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 281 transitions. [2022-11-03 03:32:37,893 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) [2022-11-03 03:32:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2022-11-03 03:32:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 03:32:37,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:37,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 03:32:37,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:32:37,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:37,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:37,896 INFO L85 PathProgramCache]: Analyzing trace with hash 283433768, now seen corresponding path program 1 times [2022-11-03 03:32:37,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:37,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489450996] [2022-11-03 03:32:37,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:37,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:37,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:37,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489450996] [2022-11-03 03:32:37,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489450996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:37,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:37,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:32:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968151827] [2022-11-03 03:32:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:37,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:37,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:37,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:37,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:37,983 INFO L87 Difference]: Start difference. First operand 154 states and 281 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-03 03:32:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,063 INFO L93 Difference]: Finished difference Result 237 states and 428 transitions. [2022-11-03 03:32:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-03 03:32:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,066 INFO L225 Difference]: With dead ends: 237 [2022-11-03 03:32:38,069 INFO L226 Difference]: Without dead ends: 237 [2022-11-03 03:32:38,069 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 [2022-11-03 03:32:38,071 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 15 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:32:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2022-11-03 03:32:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 160. [2022-11-03 03:32:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 152 states have (on average 1.9210526315789473) internal successors, (292), 159 states have internal predecessors, (292), 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) [2022-11-03 03:32:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 292 transitions. [2022-11-03 03:32:38,099 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 292 transitions. Word has length 5 [2022-11-03 03:32:38,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,100 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 292 transitions. [2022-11-03 03:32:38,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-03 03:32:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2022-11-03 03:32:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:32:38,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:32:38,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:38,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash 196455714, now seen corresponding path program 1 times [2022-11-03 03:32:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820218092] [2022-11-03 03:32:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:38,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:38,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820218092] [2022-11-03 03:32:38,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820218092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:38,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:38,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:32:38,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360979304] [2022-11-03 03:32:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:38,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:38,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:38,214 INFO L87 Difference]: Start difference. First operand 160 states and 292 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-03 03:32:38,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,282 INFO L93 Difference]: Finished difference Result 175 states and 320 transitions. [2022-11-03 03:32:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-03 03:32:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,285 INFO L225 Difference]: With dead ends: 175 [2022-11-03 03:32:38,285 INFO L226 Difference]: Without dead ends: 175 [2022-11-03 03:32:38,286 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 [2022-11-03 03:32:38,287 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 15 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:32:38,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-11-03 03:32:38,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2022-11-03 03:32:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 158 states have (on average 1.9050632911392404) internal successors, (301), 164 states have internal predecessors, (301), 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) [2022-11-03 03:32:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 301 transitions. [2022-11-03 03:32:38,299 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 301 transitions. Word has length 6 [2022-11-03 03:32:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,299 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 301 transitions. [2022-11-03 03:32:38,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-03 03:32:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2022-11-03 03:32:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 03:32:38,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:32:38,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:38,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash -164897243, now seen corresponding path program 1 times [2022-11-03 03:32:38,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649353917] [2022-11-03 03:32:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:38,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:38,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649353917] [2022-11-03 03:32:38,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649353917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:38,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:38,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:32:38,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616123353] [2022-11-03 03:32:38,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:38,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:38,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:38,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:38,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:38,405 INFO L87 Difference]: Start difference. First operand 165 states and 301 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) 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) [2022-11-03 03:32:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,447 INFO L93 Difference]: Finished difference Result 122 states and 203 transitions. [2022-11-03 03:32:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:38,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) 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 [2022-11-03 03:32:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,448 INFO L225 Difference]: With dead ends: 122 [2022-11-03 03:32:38,449 INFO L226 Difference]: Without dead ends: 122 [2022-11-03 03:32:38,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:38,450 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:32:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-03 03:32:38,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 114. [2022-11-03 03:32:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.7567567567567568) internal successors, (195), 113 states have internal predecessors, (195), 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) [2022-11-03 03:32:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 195 transitions. [2022-11-03 03:32:38,456 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 195 transitions. Word has length 8 [2022-11-03 03:32:38,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,457 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 195 transitions. [2022-11-03 03:32:38,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) 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) [2022-11-03 03:32:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2022-11-03 03:32:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:32:38,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:32:38,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1318378156, now seen corresponding path program 1 times [2022-11-03 03:32:38,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595957194] [2022-11-03 03:32:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:38,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:38,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595957194] [2022-11-03 03:32:38,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595957194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:38,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:38,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:32:38,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725381445] [2022-11-03 03:32:38,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:38,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:38,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:38,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:38,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:38,521 INFO L87 Difference]: Start difference. First operand 114 states and 195 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) [2022-11-03 03:32:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,576 INFO L93 Difference]: Finished difference Result 114 states and 188 transitions. [2022-11-03 03:32:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:38,577 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 [2022-11-03 03:32:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,578 INFO L225 Difference]: With dead ends: 114 [2022-11-03 03:32:38,578 INFO L226 Difference]: Without dead ends: 98 [2022-11-03 03:32:38,578 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 [2022-11-03 03:32:38,579 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 13 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:32:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-03 03:32:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2022-11-03 03:32:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.6923076923076923) internal successors, (154), 93 states have internal predecessors, (154), 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) [2022-11-03 03:32:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 154 transitions. [2022-11-03 03:32:38,584 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 154 transitions. Word has length 10 [2022-11-03 03:32:38,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,585 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 154 transitions. [2022-11-03 03:32:38,585 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) [2022-11-03 03:32:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions. [2022-11-03 03:32:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 03:32:38,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:32:38,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:38,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2035445377, now seen corresponding path program 1 times [2022-11-03 03:32:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689919714] [2022-11-03 03:32:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:38,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:38,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689919714] [2022-11-03 03:32:38,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689919714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:38,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:38,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:32:38,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523746989] [2022-11-03 03:32:38,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:38,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:38,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:38,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:38,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:32:38,636 INFO L87 Difference]: Start difference. First operand 94 states and 154 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 03:32:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,685 INFO L93 Difference]: Finished difference Result 87 states and 137 transitions. [2022-11-03 03:32:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:38,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-03 03:32:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,686 INFO L225 Difference]: With dead ends: 87 [2022-11-03 03:32:38,687 INFO L226 Difference]: Without dead ends: 69 [2022-11-03 03:32:38,687 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 [2022-11-03 03:32:38,688 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:32:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-03 03:32:38,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-03 03:32:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.537313432835821) internal successors, (103), 68 states have internal predecessors, (103), 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) [2022-11-03 03:32:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2022-11-03 03:32:38,692 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 11 [2022-11-03 03:32:38,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,712 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2022-11-03 03:32:38,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-03 03:32:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2022-11-03 03:32:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 03:32:38,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:32:38,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 03:32:38,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash -370183979, now seen corresponding path program 1 times [2022-11-03 03:32:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504113806] [2022-11-03 03:32:38,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:38,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:38,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504113806] [2022-11-03 03:32:38,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504113806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:38,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:38,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:32:38,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790932085] [2022-11-03 03:32:38,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:38,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:32:38,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:38,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:32:38,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:32:38,888 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-03 03:32:38,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,946 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2022-11-03 03:32:38,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:32:38,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-11-03 03:32:38,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,947 INFO L225 Difference]: With dead ends: 52 [2022-11-03 03:32:38,948 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:32:38,948 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 [2022-11-03 03:32:38,949 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:32:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:32:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:32:38,952 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) [2022-11-03 03:32:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:32:38,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-03 03:32:38,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,953 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:32:38,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-03 03:32:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:32:38,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:32:38,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-03 03:32:38,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-03 03:32:38,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-11-03 03:32:38,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-03 03:32:38,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-11-03 03:32:38,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-03 03:32:38,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-03 03:32:38,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-03 03:32:38,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-03 03:32:38,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:32:38,967 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:38,974 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 03:32:38,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:32:38,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:32:38 BasicIcfg [2022-11-03 03:32:38,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:32:38,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:32:38,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:32:38,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:32:38,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:33" (3/4) ... [2022-11-03 03:32:38,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:32:39,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-03 03:32:39,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-03 03:32:39,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 03:32:39,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:32:39,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:32:39,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:32:39,049 INFO L158 Benchmark]: Toolchain (without parser) took 6824.68ms. Allocated memory was 102.8MB in the beginning and 163.6MB in the end (delta: 60.8MB). Free memory was 67.6MB in the beginning and 105.1MB in the end (delta: -37.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,049 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:32:39,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.96ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 60.3MB in the end (delta: 7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.45ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 57.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,050 INFO L158 Benchmark]: Boogie Preprocessor took 57.95ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:32:39,050 INFO L158 Benchmark]: RCFGBuilder took 592.43ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 56.7MB in the beginning and 103.8MB in the end (delta: -47.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,051 INFO L158 Benchmark]: TraceAbstraction took 5125.40ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.9MB in the beginning and 108.3MB in the end (delta: -5.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,051 INFO L158 Benchmark]: Witness Printer took 63.31ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:32:39,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.96ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 60.3MB in the end (delta: 7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.45ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 57.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.95ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 592.43ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 56.7MB in the beginning and 103.8MB in the end (delta: -47.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5125.40ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.9MB in the beginning and 108.3MB in the end (delta: -5.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 63.31ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). 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: 3.3s, 90 PlacesBefore, 31 PlacesAfterwards, 86 TransitionsBefore, 27 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 8 FixpointIterations, 28 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 66 TotalNumberOfCompositions, 5550 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2815, positive: 2465, positive conditional: 0, positive unconditional: 2465, negative: 350, negative conditional: 0, negative unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1100, positive: 1039, positive conditional: 0, positive unconditional: 1039, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1100, positive: 990, positive conditional: 0, positive unconditional: 990, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 263, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 168, negative conditional: 0, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2815, positive: 1426, positive conditional: 0, positive unconditional: 1426, negative: 289, negative conditional: 0, negative unconditional: 289, unknown: 1100, unknown conditional: 0, unknown unconditional: 1100] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - 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: 941]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 120 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 274 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 64 mSDtfsCounter, 274 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 99 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 03:32:39,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b97c309-950a-448b-986e-6d4f087cccf7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE