./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_36-traces-ex-3_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_36-traces-ex-3_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 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:41:45,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:41:45,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:41:45,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:41:45,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:41:45,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:41:45,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:41:45,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:41:45,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:41:45,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:41:45,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:41:45,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:41:45,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:41:45,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:41:45,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:41:45,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:41:45,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:41:45,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:41:45,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:41:45,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:41:45,261 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:41:45,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:41:45,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:41:45,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:41:45,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:41:45,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:41:45,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:41:45,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:41:45,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:41:45,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:41:45,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:41:45,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:41:45,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:41:45,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:41:45,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:41:45,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:41:45,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:41:45,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:41:45,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:41:45,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:41:45,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:41:45,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:41:45,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:41:45,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:41:45,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:41:45,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:41:45,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:41:45,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:41:45,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:41:45,307 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:41:45,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:41:45,308 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:41:45,308 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:41:45,309 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:41:45,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:41:45,309 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:41:45,309 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:41:45,310 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:41:45,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:41:45,310 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:41:45,310 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:41:45,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:41:45,312 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:41:45,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:41:45,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:41:45,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:41:45,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:41:45,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:41:45,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:41:45,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:41:45,314 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:41:45,314 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:41:45,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:41:45,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:41:45,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:41:45,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:41:45,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:41:45,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:45,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:41:45,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:41:45,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:41:45,317 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:41:45,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:41:45,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:41:45,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:41:45,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:41:45,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 [2022-04-18 18:41:45,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:41:45,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:41:45,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:41:45,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:41:45,566 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:41:45,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-04-18 18:41:45,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b13aeabde/48dd18c5e3cc42dca8d28c07c9976928/FLAG132b24acd [2022-04-18 18:41:46,049 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:41:46,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-04-18 18:41:46,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b13aeabde/48dd18c5e3cc42dca8d28c07c9976928/FLAG132b24acd [2022-04-18 18:41:46,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b13aeabde/48dd18c5e3cc42dca8d28c07c9976928 [2022-04-18 18:41:46,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:41:46,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:41:46,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:46,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:41:46,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:41:46,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254dbe9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46, skipping insertion in model container [2022-04-18 18:41:46,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:41:46,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:41:46,601 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_36-traces-ex-3_true.i[1088,1101] [2022-04-18 18:41:46,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:46,746 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:41:46,758 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_36-traces-ex-3_true.i[1088,1101] [2022-04-18 18:41:46,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:41:46,839 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:41:46,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46 WrapperNode [2022-04-18 18:41:46,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:41:46,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:46,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:41:46,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:41:46,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,897 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-04-18 18:41:46,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:41:46,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:41:46,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:41:46,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:41:46,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:41:46,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:41:46,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:41:46,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:41:46,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (1/1) ... [2022-04-18 18:41:46,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:41:46,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 18:41:46,964 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 18:41:46,975 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 18:41:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:41:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 18:41:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:41:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:41:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 18:41:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 18:41:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:41:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:41:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:41:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:41:47,000 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 18:41:47,099 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:41:47,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:41:47,261 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:41:47,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:41:47,270 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 18:41:47,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:47 BoogieIcfgContainer [2022-04-18 18:41:47,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:41:47,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:41:47,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:41:47,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:41:47,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:41:46" (1/3) ... [2022-04-18 18:41:47,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288c1875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:47, skipping insertion in model container [2022-04-18 18:41:47,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:46" (2/3) ... [2022-04-18 18:41:47,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288c1875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:47, skipping insertion in model container [2022-04-18 18:41:47,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:47" (3/3) ... [2022-04-18 18:41:47,281 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2022-04-18 18:41:47,286 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:41:47,286 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:41:47,286 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-04-18 18:41:47,287 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:41:47,335 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 18:41:47,380 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 18:41:47,385 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 18:41:47,385 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-04-18 18:41:47,395 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 18:41:47,410 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 80 transitions, 165 flow [2022-04-18 18:41:47,417 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 80 transitions, 165 flow [2022-04-18 18:41:47,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 80 transitions, 165 flow [2022-04-18 18:41:47,478 INFO L129 PetriNetUnfolder]: 1/79 cut-off events. [2022-04-18 18:41:47,479 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 18:41:47,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 1/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-04-18 18:41:47,486 INFO L116 LiptonReduction]: Number of co-enabled transitions 1092 [2022-04-18 18:41:49,965 INFO L131 LiptonReduction]: Checked pairs total: 4518 [2022-04-18 18:41:49,965 INFO L133 LiptonReduction]: Total number of compositions: 69 [2022-04-18 18:41:49,972 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 22 transitions, 49 flow [2022-04-18 18:41:49,989 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 95 states, 90 states have (on average 1.9666666666666666) internal successors, (177), 94 states have internal predecessors, (177), 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 18:41:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 90 states have (on average 1.9666666666666666) internal successors, (177), 94 states have internal predecessors, (177), 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 18:41:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-04-18 18:41:49,995 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:49,996 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-04-18 18:41:49,996 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 18:41:50,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:50,000 INFO L85 PathProgramCache]: Analyzing trace with hash 267139912, now seen corresponding path program 1 times [2022-04-18 18:41:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:50,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555892024] [2022-04-18 18:41:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:50,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:50,175 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 18:41:50,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:50,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555892024] [2022-04-18 18:41:50,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555892024] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:50,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:50,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985988636] [2022-04-18 18:41:50,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:50,182 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:50,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:50,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:50,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:50,207 INFO L87 Difference]: Start difference. First operand has 95 states, 90 states have (on average 1.9666666666666666) internal successors, (177), 94 states have internal predecessors, (177), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:50,256 INFO L93 Difference]: Finished difference Result 96 states and 169 transitions. [2022-04-18 18:41:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:50,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-04-18 18:41:50,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:50,265 INFO L225 Difference]: With dead ends: 96 [2022-04-18 18:41:50,265 INFO L226 Difference]: Without dead ends: 96 [2022-04-18 18:41:50,266 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 18:41:50,268 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:50,269 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-04-18 18:41:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-04-18 18:41:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 91 states have (on average 1.8571428571428572) internal successors, (169), 95 states have internal predecessors, (169), 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 18:41:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 169 transitions. [2022-04-18 18:41:50,301 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 169 transitions. Word has length 5 [2022-04-18 18:41:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:50,302 INFO L478 AbstractCegarLoop]: Abstraction has 96 states and 169 transitions. [2022-04-18 18:41:50,302 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2022-04-18 18:41:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 18:41:50,303 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:50,303 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:50,303 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 18:41:50,303 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 18:41:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash -963818378, now seen corresponding path program 1 times [2022-04-18 18:41:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:50,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136972346] [2022-04-18 18:41:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:50,358 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 18:41:50,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:50,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136972346] [2022-04-18 18:41:50,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136972346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:50,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:50,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:50,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192115602] [2022-04-18 18:41:50,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:50,360 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:50,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:50,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:50,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:50,362 INFO L87 Difference]: Start difference. First operand 96 states and 169 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 18:41:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:50,401 INFO L93 Difference]: Finished difference Result 117 states and 199 transitions. [2022-04-18 18:41:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:50,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-04-18 18:41:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:50,410 INFO L225 Difference]: With dead ends: 117 [2022-04-18 18:41:50,411 INFO L226 Difference]: Without dead ends: 107 [2022-04-18 18:41:50,412 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 18:41:50,413 INFO L913 BasicCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:50,414 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 7 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:50,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-04-18 18:41:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 89. [2022-04-18 18:41:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 85 states have (on average 1.811764705882353) internal successors, (154), 88 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:41:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 154 transitions. [2022-04-18 18:41:50,435 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 154 transitions. Word has length 7 [2022-04-18 18:41:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:50,435 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 154 transitions. [2022-04-18 18:41:50,435 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 18:41:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 154 transitions. [2022-04-18 18:41:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 18:41:50,436 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:50,437 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:50,437 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 18:41:50,437 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 18:41:50,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:50,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1690329305, now seen corresponding path program 1 times [2022-04-18 18:41:50,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:50,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239738684] [2022-04-18 18:41:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:50,562 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 18:41:50,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:50,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239738684] [2022-04-18 18:41:50,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239738684] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:50,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:50,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 18:41:50,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414187428] [2022-04-18 18:41:50,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:50,564 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 18:41:50,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:50,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 18:41:50,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-18 18:41:50,564 INFO L87 Difference]: Start difference. First operand 89 states and 154 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 18:41:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:50,596 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2022-04-18 18:41:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 18:41:50,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-04-18 18:41:50,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:50,597 INFO L225 Difference]: With dead ends: 38 [2022-04-18 18:41:50,598 INFO L226 Difference]: Without dead ends: 38 [2022-04-18 18:41:50,598 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 18:41:50,601 INFO L913 BasicCegarLoop]: 2 mSDtfsCounter, 24 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:50,602 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 2 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:50,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-18 18:41:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-04-18 18:41:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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 18:41:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2022-04-18 18:41:50,607 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 9 [2022-04-18 18:41:50,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:50,607 INFO L478 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2022-04-18 18:41:50,607 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 18:41:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-04-18 18:41:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 18:41:50,608 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:41:50,608 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:41:50,608 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 18:41:50,609 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 18:41:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:41:50,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2146563072, now seen corresponding path program 1 times [2022-04-18 18:41:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:41:50,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675465970] [2022-04-18 18:41:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:41:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:41:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:41:50,667 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 18:41:50,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:41:50,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675465970] [2022-04-18 18:41:50,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675465970] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:41:50,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:41:50,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:41:50,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958097478] [2022-04-18 18:41:50,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:41:50,669 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:41:50,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:41:50,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:41:50,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:41:50,670 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 18:41:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:41:50,686 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2022-04-18 18:41:50,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:41:50,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-04-18 18:41:50,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:41:50,687 INFO L225 Difference]: With dead ends: 34 [2022-04-18 18:41:50,687 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 18:41:50,687 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 18:41:50,688 INFO L913 BasicCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:41:50,688 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:41:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 18:41:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 18:41:50,689 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 18:41:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 18:41:50,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2022-04-18 18:41:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:41:50,690 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 18:41:50,690 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 18:41:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 18:41:50,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 18:41:50,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-04-18 18:41:50,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-04-18 18:41:50,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-04-18 18:41:50,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-04-18 18:41:50,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-04-18 18:41:50,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-04-18 18:41:50,694 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 18:41:50,696 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 18:41:50,699 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 18:41:50,699 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 18:41:50,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:41:50 BasicIcfg [2022-04-18 18:41:50,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 18:41:50,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 18:41:50,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 18:41:50,702 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 18:41:50,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:47" (3/4) ... [2022-04-18 18:41:50,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 18:41:50,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 18:41:50,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-04-18 18:41:50,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 18:41:50,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 18:41:50,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 18:41:50,737 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 18:41:50,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 18:41:50,738 INFO L158 Benchmark]: Toolchain (without parser) took 4327.86ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 56.8MB in the beginning and 74.0MB in the end (delta: -17.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-04-18 18:41:50,738 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:50,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.09ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 59.4MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 18:41:50,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.80ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:50,739 INFO L158 Benchmark]: Boogie Preprocessor took 29.84ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 56.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:50,739 INFO L158 Benchmark]: RCFGBuilder took 342.79ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 44.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 18:41:50,739 INFO L158 Benchmark]: TraceAbstraction took 3428.63ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 76.2MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:41:50,740 INFO L158 Benchmark]: Witness Printer took 35.00ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 74.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:41:50,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.09ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 59.4MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.80ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.84ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 56.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.79ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 44.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3428.63ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 76.2MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.00ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 74.0MB in the end (delta: 2.2MB). 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: 2.5s, 83 PlacesBefore, 25 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1092 CoEnabledTransitionPairs, 10 FixpointIterations, 30 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 4518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1755, positive: 1416, positive conditional: 0, positive unconditional: 1416, negative: 339, negative conditional: 0, negative unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 846, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 846, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1755, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 846, unknown conditional: 0, unknown unconditional: 846] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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, 103 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 20 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=1, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 18:41:50,777 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