./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:41:36,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:41:36,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:41:36,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:41:36,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:41:36,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:41:36,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:41:36,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:41:36,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:41:36,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:41:36,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:41:36,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:41:36,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:41:36,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:41:36,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:41:36,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:41:36,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:41:36,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:41:36,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:41:36,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:41:36,225 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:41:36,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:41:36,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:41:36,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:41:36,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:41:36,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:41:36,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:41:36,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:41:36,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:41:36,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:41:36,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:41:36,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:41:36,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:41:36,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:41:36,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:41:36,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:41:36,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:41:36,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:41:36,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:41:36,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:41:36,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:41:36,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:41:36,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:41:36,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:41:36,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:41:36,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:41:36,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:41:36,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:41:36,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:41:36,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:41:36,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:41:36,266 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:41:36,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:41:36,267 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:41:36,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:41:36,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:41:36,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:41:36,268 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:41:36,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:41:36,269 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:41:36,269 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:41:36,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:41:36,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:41:36,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:41:36,279 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:41:36,279 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:41:36,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:41:36,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:41:36,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:41:36,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:41:36,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:41:36,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:36,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:41:36,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:41:36,282 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2022-04-18 18:41:36,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:41:36,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:41:36,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:41:36,462 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:41:36,463 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:41:36,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-04-18 18:41:36,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c8dd77e48/908c7fd9b561415eb772edb6677b184b/FLAG78eac5209 [2022-04-18 18:41:36,907 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:41:36,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-04-18 18:41:36,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c8dd77e48/908c7fd9b561415eb772edb6677b184b/FLAG78eac5209 [2022-04-18 18:41:36,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c8dd77e48/908c7fd9b561415eb772edb6677b184b [2022-04-18 18:41:36,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:41:36,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:41:36,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:36,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:41:36,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:41:36,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:36" (1/1) ... [2022-04-18 18:41:36,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7092c79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:36, skipping insertion in model container [2022-04-18 18:41:36,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:36" (1/1) ... [2022-04-18 18:41:36,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:41:36,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:41:37,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-04-18 18:41:37,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:37,179 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:41:37,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-04-18 18:41:37,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:37,228 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:41:37,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37 WrapperNode [2022-04-18 18:41:37,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:37,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:37,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:41:37,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:41:37,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,258 INFO L137 Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2022-04-18 18:41:37,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:37,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:41:37,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:41:37,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:41:37,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:41:37,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:41:37,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:41:37,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:41:37,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ... [2022-04-18 18:41:37,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:37,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 18:41:37,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 18:41:37,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 18:41:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:41:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:41:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 18:41:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:41:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:41:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 18:41:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 18:41:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:41:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:41:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:41:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:41:37,372 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 18:41:37,515 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:41:37,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:41:37,785 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:41:37,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:41:37,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 18:41:37,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:37 BoogieIcfgContainer [2022-04-18 18:41:37,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:41:37,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:41:37,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:41:37,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:41:37,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:41:36" (1/3) ... [2022-04-18 18:41:37,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cb2c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:37, skipping insertion in model container [2022-04-18 18:41:37,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (2/3) ... [2022-04-18 18:41:37,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cb2c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:37, skipping insertion in model container [2022-04-18 18:41:37,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:37" (3/3) ... [2022-04-18 18:41:37,807 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2022-04-18 18:41:37,810 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:41:37,811 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:41:37,811 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-04-18 18:41:37,811 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:41:37,882 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 18:41:37,914 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 18:41:37,920 INFO L340 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 [2022-04-18 18:41:37,920 INFO L341 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-04-18 18:41:37,933 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 18:41:37,943 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 189 transitions, 386 flow [2022-04-18 18:41:37,946 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 189 transitions, 386 flow [2022-04-18 18:41:37,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 189 transitions, 386 flow [2022-04-18 18:41:38,015 INFO L129 PetriNetUnfolder]: 4/188 cut-off events. [2022-04-18 18:41:38,015 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 18:41:38,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 188 events. 4/188 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 140. Up to 2 conditions per place. [2022-04-18 18:41:38,025 INFO L116 LiptonReduction]: Number of co-enabled transitions 9750 [2022-04-18 18:41:41,788 INFO L131 LiptonReduction]: Checked pairs total: 101838 [2022-04-18 18:41:41,789 INFO L133 LiptonReduction]: Total number of compositions: 202 [2022-04-18 18:41:41,794 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 73 transitions, 154 flow [2022-04-18 18:41:41,838 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1109 states, 1055 states have (on average 2.1421800947867298) internal successors, (2260), 1108 states have internal predecessors, (2260), 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) [2022-04-18 18:41:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 1055 states have (on average 2.1421800947867298) internal successors, (2260), 1108 states have internal predecessors, (2260), 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) [2022-04-18 18:41:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-04-18 18:41:41,846 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:41,846 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-04-18 18:41:41,847 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:41,851 INFO L85 PathProgramCache]: Analyzing trace with hash 643471, now seen corresponding path program 1 times [2022-04-18 18:41:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:41,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610842149] [2022-04-18 18:41:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:41,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:41,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610842149] [2022-04-18 18:41:41,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610842149] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:41,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:41,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 18:41:41,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600010865] [2022-04-18 18:41:41,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:41,973 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 18:41:41,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:41,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 18:41:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 18:41:41,994 INFO L87 Difference]: Start difference. First operand has 1109 states, 1055 states have (on average 2.1421800947867298) internal successors, (2260), 1108 states have internal predecessors, (2260), 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) [2022-04-18 18:41:42,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,065 INFO L93 Difference]: Finished difference Result 956 states and 1848 transitions. [2022-04-18 18:41:42,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:41:42,067 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 [2022-04-18 18:41:42,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,080 INFO L225 Difference]: With dead ends: 956 [2022-04-18 18:41:42,084 INFO L226 Difference]: Without dead ends: 947 [2022-04-18 18:41:42,086 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,088 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,089 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2022-04-18 18:41:42,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2022-04-18 18:41:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 923 states have (on average 1.982665222101842) internal successors, (1830), 946 states have internal predecessors, (1830), 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) [2022-04-18 18:41:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1830 transitions. [2022-04-18 18:41:42,157 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1830 transitions. Word has length 3 [2022-04-18 18:41:42,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,158 INFO L478 AbstractCegarLoop]: Abstraction has 947 states and 1830 transitions. [2022-04-18 18:41:42,158 INFO L479 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) [2022-04-18 18:41:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1830 transitions. [2022-04-18 18:41:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-04-18 18:41:42,159 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,159 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,159 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 18:41:42,160 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1989233195, now seen corresponding path program 1 times [2022-04-18 18:41:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058046277] [2022-04-18 18:41:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058046277] [2022-04-18 18:41:42,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058046277] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:42,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745360936] [2022-04-18 18:41:42,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,225 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:42,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:42,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:42,226 INFO L87 Difference]: Start difference. First operand 947 states and 1830 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) [2022-04-18 18:41:42,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,336 INFO L93 Difference]: Finished difference Result 1518 states and 2917 transitions. [2022-04-18 18:41:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:42,336 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 [2022-04-18 18:41:42,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,341 INFO L225 Difference]: With dead ends: 1518 [2022-04-18 18:41:42,342 INFO L226 Difference]: Without dead ends: 1485 [2022-04-18 18:41:42,342 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,343 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 50 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,343 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 43 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:42,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-04-18 18:41:42,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 992. [2022-04-18 18:41:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 968 states have (on average 1.9710743801652892) internal successors, (1908), 991 states have internal predecessors, (1908), 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) [2022-04-18 18:41:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1908 transitions. [2022-04-18 18:41:42,363 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1908 transitions. Word has length 6 [2022-04-18 18:41:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,363 INFO L478 AbstractCegarLoop]: Abstraction has 992 states and 1908 transitions. [2022-04-18 18:41:42,364 INFO L479 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) [2022-04-18 18:41:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1908 transitions. [2022-04-18 18:41:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 18:41:42,364 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,364 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,365 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 18:41:42,365 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 304720384, now seen corresponding path program 1 times [2022-04-18 18:41:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027303081] [2022-04-18 18:41:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027303081] [2022-04-18 18:41:42,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027303081] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:42,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167497272] [2022-04-18 18:41:42,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,416 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:42,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:42,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:42,416 INFO L87 Difference]: Start difference. First operand 992 states and 1908 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,483 INFO L93 Difference]: Finished difference Result 1026 states and 1974 transitions. [2022-04-18 18:41:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-04-18 18:41:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,488 INFO L225 Difference]: With dead ends: 1026 [2022-04-18 18:41:42,488 INFO L226 Difference]: Without dead ends: 1026 [2022-04-18 18:41:42,489 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,489 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 26 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,490 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 38 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:42,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2022-04-18 18:41:42,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1003. [2022-04-18 18:41:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 982 states have (on average 1.964358452138493) internal successors, (1929), 1002 states have internal predecessors, (1929), 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) [2022-04-18 18:41:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1929 transitions. [2022-04-18 18:41:42,507 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1929 transitions. Word has length 8 [2022-04-18 18:41:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,507 INFO L478 AbstractCegarLoop]: Abstraction has 1003 states and 1929 transitions. [2022-04-18 18:41:42,507 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1929 transitions. [2022-04-18 18:41:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-18 18:41:42,508 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,508 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 18:41:42,509 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1911300215, now seen corresponding path program 1 times [2022-04-18 18:41:42,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556605987] [2022-04-18 18:41:42,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556605987] [2022-04-18 18:41:42,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556605987] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 18:41:42,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844727314] [2022-04-18 18:41:42,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,578 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 18:41:42,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 18:41:42,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 18:41:42,579 INFO L87 Difference]: Start difference. First operand 1003 states and 1929 transitions. Second operand has 4 states, 4 states have (on average 2.75) 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) [2022-04-18 18:41:42,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,654 INFO L93 Difference]: Finished difference Result 642 states and 1153 transitions. [2022-04-18 18:41:42,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 18:41:42,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) 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 [2022-04-18 18:41:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,657 INFO L225 Difference]: With dead ends: 642 [2022-04-18 18:41:42,657 INFO L226 Difference]: Without dead ends: 642 [2022-04-18 18:41:42,657 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 18:41:42,659 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 87 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,660 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 37 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-04-18 18:41:42,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 613. [2022-04-18 18:41:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 600 states have (on average 1.875) internal successors, (1125), 612 states have internal predecessors, (1125), 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) [2022-04-18 18:41:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 1125 transitions. [2022-04-18 18:41:42,671 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 1125 transitions. Word has length 11 [2022-04-18 18:41:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,672 INFO L478 AbstractCegarLoop]: Abstraction has 613 states and 1125 transitions. [2022-04-18 18:41:42,672 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) 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) [2022-04-18 18:41:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1125 transitions. [2022-04-18 18:41:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-18 18:41:42,673 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,673 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,673 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 18:41:42,674 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1194077285, now seen corresponding path program 1 times [2022-04-18 18:41:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956890816] [2022-04-18 18:41:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956890816] [2022-04-18 18:41:42,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956890816] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:42,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105240367] [2022-04-18 18:41:42,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:42,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:42,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:42,708 INFO L87 Difference]: Start difference. First operand 613 states and 1125 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:42,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,756 INFO L93 Difference]: Finished difference Result 617 states and 1132 transitions. [2022-04-18 18:41:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:42,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-04-18 18:41:42,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,758 INFO L225 Difference]: With dead ends: 617 [2022-04-18 18:41:42,758 INFO L226 Difference]: Without dead ends: 617 [2022-04-18 18:41:42,759 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,759 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,759 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 33 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:42,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-04-18 18:41:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 612. [2022-04-18 18:41:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 601 states have (on average 1.8685524126455906) internal successors, (1123), 611 states have internal predecessors, (1123), 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) [2022-04-18 18:41:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1123 transitions. [2022-04-18 18:41:42,779 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1123 transitions. Word has length 14 [2022-04-18 18:41:42,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,779 INFO L478 AbstractCegarLoop]: Abstraction has 612 states and 1123 transitions. [2022-04-18 18:41:42,779 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1123 transitions. [2022-04-18 18:41:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-18 18:41:42,780 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,781 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,781 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 18:41:42,781 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1900389531, now seen corresponding path program 1 times [2022-04-18 18:41:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720284649] [2022-04-18 18:41:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720284649] [2022-04-18 18:41:42,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720284649] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531881679] [2022-04-18 18:41:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,803 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:42,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:42,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:42,804 INFO L87 Difference]: Start difference. First operand 612 states and 1123 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-04-18 18:41:42,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,862 INFO L93 Difference]: Finished difference Result 686 states and 1249 transitions. [2022-04-18 18:41:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:42,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-04-18 18:41:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,864 INFO L225 Difference]: With dead ends: 686 [2022-04-18 18:41:42,864 INFO L226 Difference]: Without dead ends: 641 [2022-04-18 18:41:42,865 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,865 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 52 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,866 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 44 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-04-18 18:41:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 571. [2022-04-18 18:41:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 561 states have (on average 1.8520499108734403) internal successors, (1039), 570 states have internal predecessors, (1039), 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) [2022-04-18 18:41:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1039 transitions. [2022-04-18 18:41:42,874 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1039 transitions. Word has length 17 [2022-04-18 18:41:42,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,874 INFO L478 AbstractCegarLoop]: Abstraction has 571 states and 1039 transitions. [2022-04-18 18:41:42,875 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-04-18 18:41:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1039 transitions. [2022-04-18 18:41:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-18 18:41:42,875 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,875 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,876 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 18:41:42,876 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash 372514419, now seen corresponding path program 1 times [2022-04-18 18:41:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298765485] [2022-04-18 18:41:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:42,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:42,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298765485] [2022-04-18 18:41:42,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298765485] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:42,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:42,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:42,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542490352] [2022-04-18 18:41:42,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:42,915 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:42,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:42,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:42,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:42,916 INFO L87 Difference]: Start difference. First operand 571 states and 1039 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-04-18 18:41:42,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:42,961 INFO L93 Difference]: Finished difference Result 574 states and 1043 transitions. [2022-04-18 18:41:42,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:42,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2022-04-18 18:41:42,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:42,963 INFO L225 Difference]: With dead ends: 574 [2022-04-18 18:41:42,964 INFO L226 Difference]: Without dead ends: 574 [2022-04-18 18:41:42,964 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:42,964 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:42,965 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 42 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-04-18 18:41:42,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 563. [2022-04-18 18:41:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 555 states have (on average 1.8414414414414415) internal successors, (1022), 562 states have internal predecessors, (1022), 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) [2022-04-18 18:41:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1022 transitions. [2022-04-18 18:41:42,975 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1022 transitions. Word has length 22 [2022-04-18 18:41:42,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:42,975 INFO L478 AbstractCegarLoop]: Abstraction has 563 states and 1022 transitions. [2022-04-18 18:41:42,975 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-04-18 18:41:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1022 transitions. [2022-04-18 18:41:42,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-18 18:41:42,979 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:42,979 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:42,980 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 18:41:42,980 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:42,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:42,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1801254761, now seen corresponding path program 1 times [2022-04-18 18:41:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:42,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719556421] [2022-04-18 18:41:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:43,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719556421] [2022-04-18 18:41:43,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719556421] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 18:41:43,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79278538] [2022-04-18 18:41:43,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,061 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 18:41:43,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 18:41:43,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-18 18:41:43,062 INFO L87 Difference]: Start difference. First operand 563 states and 1022 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-04-18 18:41:43,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,117 INFO L93 Difference]: Finished difference Result 330 states and 485 transitions. [2022-04-18 18:41:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 18:41:43,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2022-04-18 18:41:43,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,119 INFO L225 Difference]: With dead ends: 330 [2022-04-18 18:41:43,119 INFO L226 Difference]: Without dead ends: 330 [2022-04-18 18:41:43,119 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:43,120 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 96 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,120 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 17 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 18:41:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-04-18 18:41:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 310. [2022-04-18 18:41:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.498360655737705) internal successors, (457), 309 states have internal predecessors, (457), 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) [2022-04-18 18:41:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 457 transitions. [2022-04-18 18:41:43,125 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 457 transitions. Word has length 28 [2022-04-18 18:41:43,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,125 INFO L478 AbstractCegarLoop]: Abstraction has 310 states and 457 transitions. [2022-04-18 18:41:43,125 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-04-18 18:41:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 457 transitions. [2022-04-18 18:41:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-18 18:41:43,126 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:43,126 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,126 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 18:41:43,126 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 18:41:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2024321660, now seen corresponding path program 1 times [2022-04-18 18:41:43,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:43,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826433923] [2022-04-18 18:41:43,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:41:43,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:43,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826433923] [2022-04-18 18:41:43,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826433923] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:43,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:43,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:43,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873222811] [2022-04-18 18:41:43,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:43,157 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:43,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:43,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:43,158 INFO L87 Difference]: Start difference. First operand 310 states and 457 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-04-18 18:41:43,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:43,190 INFO L93 Difference]: Finished difference Result 296 states and 434 transitions. [2022-04-18 18:41:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:43,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2022-04-18 18:41:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:43,192 INFO L225 Difference]: With dead ends: 296 [2022-04-18 18:41:43,192 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 18:41:43,192 INFO L912 BasicCegarLoop]: 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 [2022-04-18 18:41:43,194 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:43,194 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 30 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 18:41:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 18:41:43,195 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) [2022-04-18 18:41:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 18:41:43,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-04-18 18:41:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:43,196 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 18:41:43,196 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-04-18 18:41:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 18:41:43,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 18:41:43,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-04-18 18:41:43,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-04-18 18:41:43,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-04-18 18:41:43,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-04-18 18:41:43,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-04-18 18:41:43,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-04-18 18:41:43,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-04-18 18:41:43,201 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 18:41:43,203 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:43,207 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 18:41:43,207 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 18:41:43,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:41:43 BasicIcfg [2022-04-18 18:41:43,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 18:41:43,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 18:41:43,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 18:41:43,209 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 18:41:43,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:37" (3/4) ... [2022-04-18 18:41:43,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 18:41:43,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 18:41:43,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-04-18 18:41:43,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 18:41:43,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 18:41:43,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 18:41:43,244 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 18:41:43,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 18:41:43,245 INFO L158 Benchmark]: Toolchain (without parser) took 6312.54ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 73.6MB in the beginning and 156.6MB in the end (delta: -83.1MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,245 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:43,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.03ms. Allocated memory is still 113.2MB. Free memory was 73.4MB in the beginning and 76.9MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,246 INFO L158 Benchmark]: Boogie Preprocessor took 27.43ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 73.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,246 INFO L158 Benchmark]: RCFGBuilder took 511.21ms. Allocated memory is still 113.2MB. Free memory was 73.1MB in the beginning and 56.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,246 INFO L158 Benchmark]: TraceAbstraction took 5408.47ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 56.3MB in the beginning and 44.9MB in the end (delta: 11.4MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,246 INFO L158 Benchmark]: Witness Printer took 35.59ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 44.9MB in the beginning and 156.6MB in the end (delta: -111.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:43,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.03ms. Allocated memory is still 113.2MB. Free memory was 73.4MB in the beginning and 76.9MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.43ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 73.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.21ms. Allocated memory is still 113.2MB. Free memory was 73.1MB in the beginning and 56.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5408.47ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 56.3MB in the beginning and 44.9MB in the end (delta: 11.4MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 35.59ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 44.9MB in the beginning and 156.6MB in the end (delta: -111.8MB). 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: 3.8s, 189 PlacesBefore, 74 PlacesAfterwards, 189 TransitionsBefore, 73 TransitionsAfterwards, 9750 CoEnabledTransitionPairs, 24 FixpointIterations, 44 TrivialSequentialCompositions, 140 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 1 ChoiceCompositions, 202 TotalNumberOfCompositions, 101838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30229, positive: 27558, positive conditional: 0, positive unconditional: 27558, negative: 2671, negative conditional: 0, negative unconditional: 2671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8238, positive: 8058, positive conditional: 0, positive unconditional: 8058, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8238, positive: 6670, positive conditional: 0, positive unconditional: 6670, negative: 1568, negative conditional: 0, negative unconditional: 1568, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1568, positive: 1388, positive conditional: 0, positive unconditional: 1388, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 740, positive: 503, positive conditional: 0, positive unconditional: 503, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30229, positive: 19500, positive conditional: 0, positive unconditional: 19500, negative: 2491, negative conditional: 0, negative unconditional: 2491, unknown: 8238, unknown conditional: 0, unknown unconditional: 8238] , Statistics on independence cache: Total cache size (in pairs): 938, Positive cache size: 834, Positive conditional cache size: 0, Positive unconditional cache size: 834, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104 - 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: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 253 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 808 IncrementalHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 210 mSDtfsCounter, 808 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1109occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 9 MinimizatonAttempts, 651 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 18:41:43,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE