./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/triangular-longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/triangular-longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e30b67a045ce6921ac9aa6cdcebddb50c3d7d787a6b9dd7b66c9173f916fde4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:25:06,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:25:06,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:25:06,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:25:06,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:25:06,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:25:06,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:25:06,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:25:06,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:25:06,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:25:06,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:25:06,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:25:06,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:25:06,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:25:06,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:25:06,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:25:06,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:25:06,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:25:06,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:25:06,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:25:06,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:25:06,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:25:06,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:25:06,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:25:06,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:25:06,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:25:06,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:25:06,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:25:06,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:25:06,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:25:06,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:25:06,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:25:06,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:25:06,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:25:06,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:25:06,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:25:06,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:25:06,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:25:06,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:25:06,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:25:06,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:25:06,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:25:06,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:25:06,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:25:06,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:25:06,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:25:06,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:25:06,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:25:06,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:25:06,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:25:06,267 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:25:06,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:25:06,268 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:25:06,268 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:25:06,268 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:25:06,269 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:25:06,269 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:25:06,269 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:25:06,270 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:25:06,270 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:25:06,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:25:06,271 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:25:06,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:25:06,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:25:06,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:25:06,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:25:06,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:25:06,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:25:06,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:25:06,274 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:25:06,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:25:06,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:25:06,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:25:06,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:25:06,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:25:06,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:25:06,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:25:06,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:25:06,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:25:06,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:25:06,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:25:06,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:25:06,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:25:06,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:25:06,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:25:06,280 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_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e30b67a045ce6921ac9aa6cdcebddb50c3d7d787a6b9dd7b66c9173f916fde4 [2022-11-19 08:25:06,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:25:06,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:25:06,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:25:06,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:25:06,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:25:06,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread/triangular-longer-1.i [2022-11-19 08:25:06,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/data/2d5e54607/174a3bbd19c44131b030c457d59cb8e6/FLAG0e81a5e16 [2022-11-19 08:25:07,341 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:25:07,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/sv-benchmarks/c/pthread/triangular-longer-1.i [2022-11-19 08:25:07,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/data/2d5e54607/174a3bbd19c44131b030c457d59cb8e6/FLAG0e81a5e16 [2022-11-19 08:25:07,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/data/2d5e54607/174a3bbd19c44131b030c457d59cb8e6 [2022-11-19 08:25:07,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:25:07,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:25:07,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:25:07,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:25:07,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:25:07,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:25:07" (1/1) ... [2022-11-19 08:25:07,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1a46a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:07, skipping insertion in model container [2022-11-19 08:25:07,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:25:07" (1/1) ... [2022-11-19 08:25:07,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:25:07,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:25:08,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/sv-benchmarks/c/pthread/triangular-longer-1.i[30961,30974] [2022-11-19 08:25:08,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:25:08,170 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:25:08,241 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/sv-benchmarks/c/pthread/triangular-longer-1.i[30961,30974] [2022-11-19 08:25:08,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:25:08,305 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:25:08,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08 WrapperNode [2022-11-19 08:25:08,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:25:08,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:25:08,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:25:08,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:25:08,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,389 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-11-19 08:25:08,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:25:08,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:25:08,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:25:08,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:25:08,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:25:08,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:25:08,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:25:08,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:25:08,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (1/1) ... [2022-11-19 08:25:08,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:25:08,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:25:08,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:25:08,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:25:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-19 08:25:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-19 08:25:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-19 08:25:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-19 08:25:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:25:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:25:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:25:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:25:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:25:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:25:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:25:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:25:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:25:08,559 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:25:08,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:25:08,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:25:08,975 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:25:09,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:25:09,022 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 08:25:09,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:25:09 BoogieIcfgContainer [2022-11-19 08:25:09,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:25:09,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:25:09,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:25:09,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:25:09,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:25:07" (1/3) ... [2022-11-19 08:25:09,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42df9c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:25:09, skipping insertion in model container [2022-11-19 08:25:09,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:25:08" (2/3) ... [2022-11-19 08:25:09,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42df9c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:25:09, skipping insertion in model container [2022-11-19 08:25:09,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:25:09" (3/3) ... [2022-11-19 08:25:09,046 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2022-11-19 08:25:09,062 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:25:09,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:25:09,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 08:25:09,097 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:25:09,171 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 08:25:09,206 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:25:09,222 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 75 transitions, 160 flow [2022-11-19 08:25:09,225 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 75 transitions, 160 flow [2022-11-19 08:25:09,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 160 flow [2022-11-19 08:25:09,271 INFO L130 PetriNetUnfolder]: 5/73 cut-off events. [2022-11-19 08:25:09,271 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 08:25:09,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 5/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-11-19 08:25:09,279 INFO L119 LiptonReduction]: Number of co-enabled transitions 1430 [2022-11-19 08:25:12,660 INFO L134 LiptonReduction]: Checked pairs total: 1515 [2022-11-19 08:25:12,660 INFO L136 LiptonReduction]: Total number of compositions: 71 [2022-11-19 08:25:12,672 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2022-11-19 08:25:12,706 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:12,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:25:12,734 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;@6e0b56bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:25:12,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-19 08:25:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:12,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:25:12,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:25:12,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:25:12,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-19 08:25:12,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:25:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash 10394293, now seen corresponding path program 1 times [2022-11-19 08:25:12,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:25:12,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061318136] [2022-11-19 08:25:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:25:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:25:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:25:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:25:12,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:25:12,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061318136] [2022-11-19 08:25:12,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061318136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:25:12,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:25:12,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 08:25:12,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050337584] [2022-11-19 08:25:12,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:25:12,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:25:12,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:25:12,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:25:12,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:25:13,001 INFO L87 Difference]: Start difference. First operand has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:25:13,050 INFO L93 Difference]: Finished difference Result 34 states and 83 transitions. [2022-11-19 08:25:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:25:13,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-19 08:25:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:25:13,059 INFO L225 Difference]: With dead ends: 34 [2022-11-19 08:25:13,060 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:25:13,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:25:13,065 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:25:13,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:25:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:25:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:25:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:25:13,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-11-19 08:25:13,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:25:13,096 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:25:13,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:25:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:25:13,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:25:13,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-19 08:25:13,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-19 08:25:13,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2022-11-19 08:25:13,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2022-11-19 08:25:13,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-19 08:25:13,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-19 08:25:13,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-19 08:25:13,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-19 08:25:13,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-19 08:25:13,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-19 08:25:13,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-19 08:25:13,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-19 08:25:13,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:25:13,125 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:25:13,131 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:25:13,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:25:13,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:25:13 BasicIcfg [2022-11-19 08:25:13,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:25:13,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:25:13,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:25:13,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:25:13,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:25:09" (3/4) ... [2022-11-19 08:25:13,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:25:13,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-19 08:25:13,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-19 08:25:13,169 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-19 08:25:13,169 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-19 08:25:13,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:25:13,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:25:13,215 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:25:13,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:25:13,219 INFO L158 Benchmark]: Toolchain (without parser) took 5585.03ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 55.2MB in the beginning and 85.8MB in the end (delta: -30.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,220 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 79.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:25:13,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.81ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.8MB in the beginning and 83.2MB in the end (delta: -28.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.36ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 81.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:25:13,221 INFO L158 Benchmark]: Boogie Preprocessor took 43.08ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,222 INFO L158 Benchmark]: RCFGBuilder took 591.03ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 64.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,222 INFO L158 Benchmark]: TraceAbstraction took 4117.22ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 64.0MB in the beginning and 88.9MB in the end (delta: -25.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,223 INFO L158 Benchmark]: Witness Printer took 71.92ms. Allocated memory is still 157.3MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:25:13,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 79.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.81ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.8MB in the beginning and 83.2MB in the end (delta: -28.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.36ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 81.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.08ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.03ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 64.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4117.22ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 64.0MB in the beginning and 88.9MB in the end (delta: -25.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 71.92ms. Allocated memory is still 157.3MB. Free memory was 87.9MB in the beginning and 85.8MB 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: 3.4s, 77 PlacesBefore, 25 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 1515 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1357, independent: 1335, independent conditional: 0, independent unconditional: 1335, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 932, independent: 917, independent conditional: 0, independent unconditional: 917, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 932, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1357, independent: 418, independent conditional: 0, independent unconditional: 418, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 932, unknown conditional: 0, unknown unconditional: 932] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 97 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:25:13,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182141a6-f8b1-40be-821e-7ccdb70841c7/bin/utaipan-I9t0OCRTmS/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