./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.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/pthread-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:47:01,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:47:01,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:47:01,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:47:01,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:47:01,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:47:01,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:47:01,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:47:01,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:47:01,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:47:01,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:47:01,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:47:01,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:47:01,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:47:01,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:47:01,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:47:01,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:47:01,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:47:01,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:47:01,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:47:01,154 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:47:01,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:47:01,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:47:01,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:47:01,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:47:01,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:47:01,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:47:01,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:47:01,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:47:01,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:47:01,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:47:01,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:47:01,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:47:01,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:47:01,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:47:01,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:47:01,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:47:01,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:47:01,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:47:01,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:47:01,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:47:01,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:47:01,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:47:01,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:47:01,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:47:01,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:47:01,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:47:01,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:47:01,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:47:01,197 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:47:01,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:47:01,197 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:47:01,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:47:01,198 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:47:01,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:47:01,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:47:01,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:47:01,199 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:47:01,199 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:47:01,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:47:01,200 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:47:01,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:47:01,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:47:01,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:47:01,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:47:01,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:47:01,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:47:01,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:47:01,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:47:01,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:47:01,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:47:01,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2022-04-18 18:47:01,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:47:01,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:47:01,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:47:01,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:47:01,384 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:47:01,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2022-04-18 18:47:01,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a33b01575/f559c6514d454deebf67a4d8b79b8217/FLAGecef51699 [2022-04-18 18:47:01,913 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:47:01,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2022-04-18 18:47:01,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a33b01575/f559c6514d454deebf67a4d8b79b8217/FLAGecef51699 [2022-04-18 18:47:01,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a33b01575/f559c6514d454deebf67a4d8b79b8217 [2022-04-18 18:47:01,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:47:01,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:47:01,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:01,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:47:01,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:47:01,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:01" (1/1) ... [2022-04-18 18:47:01,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6005c102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:01, skipping insertion in model container [2022-04-18 18:47:01,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:01" (1/1) ... [2022-04-18 18:47:01,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:47:01,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:47:02,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-04-18 18:47:02,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:47:02,296 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:47:02,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-04-18 18:47:02,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:47:02,388 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:47:02,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02 WrapperNode [2022-04-18 18:47:02,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:02,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:47:02,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:47:02,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:47:02,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,446 INFO L137 Inliner]: procedures = 364, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-04-18 18:47:02,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:47:02,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:47:02,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:47:02,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:47:02,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:47:02,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:47:02,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:47:02,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:47:02,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (1/1) ... [2022-04-18 18:47:02,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:47:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 18:47:02,522 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 18:47:02,527 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 18:47:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:47:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:47:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:47:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:47:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 18:47:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:47:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2022-04-18 18:47:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2022-04-18 18:47:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:47:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:47:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:47:02,549 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 18:47:02,628 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:47:02,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:47:02,820 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:47:02,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:47:02,825 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-18 18:47:02,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:47:02 BoogieIcfgContainer [2022-04-18 18:47:02,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:47:02,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:47:02,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:47:02,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:47:02,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:47:01" (1/3) ... [2022-04-18 18:47:02,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df9cd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:47:02, skipping insertion in model container [2022-04-18 18:47:02,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:02" (2/3) ... [2022-04-18 18:47:02,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df9cd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:47:02, skipping insertion in model container [2022-04-18 18:47:02,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:47:02" (3/3) ... [2022-04-18 18:47:02,832 INFO L111 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2022-04-18 18:47:02,834 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:47:02,835 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:47:02,835 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-04-18 18:47:02,835 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:47:02,861 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 18:47:02,893 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 18:47:02,899 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 18:47:02,899 INFO L341 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-04-18 18:47:02,907 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 18:47:02,914 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 126 transitions, 260 flow [2022-04-18 18:47:02,916 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 126 transitions, 260 flow [2022-04-18 18:47:02,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 126 transitions, 260 flow [2022-04-18 18:47:02,948 INFO L129 PetriNetUnfolder]: 7/125 cut-off events. [2022-04-18 18:47:02,949 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 18:47:02,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 7/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 151 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-04-18 18:47:02,954 INFO L116 LiptonReduction]: Number of co-enabled transitions 1782 [2022-04-18 18:47:04,974 INFO L131 LiptonReduction]: Checked pairs total: 5053 [2022-04-18 18:47:04,974 INFO L133 LiptonReduction]: Total number of compositions: 112 [2022-04-18 18:47:04,980 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 31 transitions, 70 flow [2022-04-18 18:47:04,995 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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 18:47:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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 18:47:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 18:47:05,000 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:47:05,000 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 18:47:05,001 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-04-18 18:47:05,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:47:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash 456, now seen corresponding path program 1 times [2022-04-18 18:47:05,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:47:05,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449024403] [2022-04-18 18:47:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:47:05,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:47:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:47:05,081 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 18:47:05,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:47:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449024403] [2022-04-18 18:47:05,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449024403] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:47:05,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:47:05,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 18:47:05,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710248325] [2022-04-18 18:47:05,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:47:05,087 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 18:47:05,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:47:05,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 18:47:05,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 18:47:05,102 INFO L87 Difference]: Start difference. First operand has 149 states, 136 states have (on average 2.1544117647058822) internal successors, (293), 148 states have internal predecessors, (293), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 18:47:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:47:05,129 INFO L93 Difference]: Finished difference Result 135 states and 267 transitions. [2022-04-18 18:47:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:47:05,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-04-18 18:47:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:47:05,137 INFO L225 Difference]: With dead ends: 135 [2022-04-18 18:47:05,137 INFO L226 Difference]: Without dead ends: 133 [2022-04-18 18:47:05,137 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 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 18:47:05,139 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:47:05,140 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:47:05,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-04-18 18:47:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-04-18 18:47:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 125 states have (on average 2.112) internal successors, (264), 132 states have internal predecessors, (264), 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 18:47:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 264 transitions. [2022-04-18 18:47:05,168 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 264 transitions. Word has length 1 [2022-04-18 18:47:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:47:05,168 INFO L478 AbstractCegarLoop]: Abstraction has 133 states and 264 transitions. [2022-04-18 18:47:05,168 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 18:47:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 264 transitions. [2022-04-18 18:47:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-04-18 18:47:05,169 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:47:05,169 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-04-18 18:47:05,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 18:47:05,169 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-04-18 18:47:05,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:47:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash 441350291, now seen corresponding path program 1 times [2022-04-18 18:47:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:47:05,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791978772] [2022-04-18 18:47:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:47:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:47:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:47:05,258 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 18:47:05,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:47:05,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791978772] [2022-04-18 18:47:05,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791978772] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:47:05,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:47:05,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:47:05,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493228714] [2022-04-18 18:47:05,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:47:05,260 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:47:05,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:47:05,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:47:05,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:47:05,261 INFO L87 Difference]: Start difference. First operand 133 states and 264 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 18:47:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:47:05,313 INFO L93 Difference]: Finished difference Result 172 states and 335 transitions. [2022-04-18 18:47:05,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:47:05,314 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 18:47:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:47:05,315 INFO L225 Difference]: With dead ends: 172 [2022-04-18 18:47:05,315 INFO L226 Difference]: Without dead ends: 172 [2022-04-18 18:47:05,316 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 18:47:05,316 INFO L913 BasicCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:47:05,317 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 8 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:47:05,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-04-18 18:47:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 142. [2022-04-18 18:47:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 135 states have (on average 2.037037037037037) internal successors, (275), 141 states have internal predecessors, (275), 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 18:47:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 275 transitions. [2022-04-18 18:47:05,326 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 275 transitions. Word has length 6 [2022-04-18 18:47:05,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:47:05,326 INFO L478 AbstractCegarLoop]: Abstraction has 142 states and 275 transitions. [2022-04-18 18:47:05,327 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 18:47:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 275 transitions. [2022-04-18 18:47:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 18:47:05,327 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:47:05,327 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:47:05,328 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 18:47:05,328 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-04-18 18:47:05,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:47:05,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1625213788, now seen corresponding path program 1 times [2022-04-18 18:47:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:47:05,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229541871] [2022-04-18 18:47:05,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:47:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:47:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:47:05,359 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 18:47:05,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:47:05,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229541871] [2022-04-18 18:47:05,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229541871] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:47:05,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:47:05,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:47:05,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100746564] [2022-04-18 18:47:05,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:47:05,361 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:47:05,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:47:05,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:47:05,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:47:05,362 INFO L87 Difference]: Start difference. First operand 142 states and 275 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 18:47:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:47:05,393 INFO L93 Difference]: Finished difference Result 148 states and 287 transitions. [2022-04-18 18:47:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:47:05,394 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 18:47:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:47:05,395 INFO L225 Difference]: With dead ends: 148 [2022-04-18 18:47:05,395 INFO L226 Difference]: Without dead ends: 140 [2022-04-18 18:47:05,395 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 18:47:05,396 INFO L913 BasicCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:47:05,396 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:47:05,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-04-18 18:47:05,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2022-04-18 18:47:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 134 states have (on average 2.0074626865671643) internal successors, (269), 139 states have internal predecessors, (269), 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 18:47:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 269 transitions. [2022-04-18 18:47:05,404 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 269 transitions. Word has length 9 [2022-04-18 18:47:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:47:05,404 INFO L478 AbstractCegarLoop]: Abstraction has 140 states and 269 transitions. [2022-04-18 18:47:05,404 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 18:47:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 269 transitions. [2022-04-18 18:47:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 18:47:05,405 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:47:05,405 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:47:05,405 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 18:47:05,405 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-04-18 18:47:05,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:47:05,406 INFO L85 PathProgramCache]: Analyzing trace with hash -417454230, now seen corresponding path program 1 times [2022-04-18 18:47:05,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:47:05,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062179775] [2022-04-18 18:47:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:47:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:47:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:47:05,442 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 18:47:05,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:47:05,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062179775] [2022-04-18 18:47:05,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062179775] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:47:05,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:47:05,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:47:05,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795375075] [2022-04-18 18:47:05,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:47:05,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:47:05,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:47:05,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:47:05,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:47:05,445 INFO L87 Difference]: Start difference. First operand 140 states and 269 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:47:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:47:05,475 INFO L93 Difference]: Finished difference Result 141 states and 271 transitions. [2022-04-18 18:47:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:47:05,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-04-18 18:47:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:47:05,476 INFO L225 Difference]: With dead ends: 141 [2022-04-18 18:47:05,476 INFO L226 Difference]: Without dead ends: 132 [2022-04-18 18:47:05,477 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 18:47:05,478 INFO L913 BasicCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:47:05,478 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 9 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:47:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-18 18:47:05,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-04-18 18:47:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 128 states have (on average 1.9609375) internal successors, (251), 131 states have internal predecessors, (251), 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 18:47:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 251 transitions. [2022-04-18 18:47:05,484 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 251 transitions. Word has length 10 [2022-04-18 18:47:05,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:47:05,484 INFO L478 AbstractCegarLoop]: Abstraction has 132 states and 251 transitions. [2022-04-18 18:47:05,484 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 18:47:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 251 transitions. [2022-04-18 18:47:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-18 18:47:05,485 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 18:47:05,485 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 18:47:05,485 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 18:47:05,485 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-04-18 18:47:05,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:47:05,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1218786753, now seen corresponding path program 1 times [2022-04-18 18:47:05,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 18:47:05,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965838258] [2022-04-18 18:47:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:47:05,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:47:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:47:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:47:05,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 18:47:05,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965838258] [2022-04-18 18:47:05,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965838258] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:47:05,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:47:05,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 18:47:05,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577524911] [2022-04-18 18:47:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:47:05,518 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:47:05,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 18:47:05,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:47:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:47:05,519 INFO L87 Difference]: Start difference. First operand 132 states and 251 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:47:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 18:47:05,535 INFO L93 Difference]: Finished difference Result 32 states and 49 transitions. [2022-04-18 18:47:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:47:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-04-18 18:47:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 18:47:05,536 INFO L225 Difference]: With dead ends: 32 [2022-04-18 18:47:05,536 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 18:47:05,536 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:47:05,537 INFO L913 BasicCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 18:47:05,537 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 5 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 18:47:05,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 18:47:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 18:47:05,538 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 18:47:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 18:47:05,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-04-18 18:47:05,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 18:47:05,538 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 18:47:05,539 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:47:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 18:47:05,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 18:47:05,541 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-04-18 18:47:05,541 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-04-18 18:47:05,541 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-04-18 18:47:05,541 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-04-18 18:47:05,542 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-04-18 18:47:05,543 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 18:47:05,544 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-18 18:47:05,547 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 18:47:05,547 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 18:47:05,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:47:05 BasicIcfg [2022-04-18 18:47:05,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 18:47:05,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 18:47:05,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 18:47:05,550 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 18:47:05,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:47:02" (3/4) ... [2022-04-18 18:47:05,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 18:47:05,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2022-04-18 18:47:05,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-04-18 18:47:05,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-04-18 18:47:05,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 18:47:05,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 18:47:05,581 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 18:47:05,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 18:47:05,582 INFO L158 Benchmark]: Toolchain (without parser) took 3624.01ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 101.9MB in the beginning and 88.9MB in the end (delta: 13.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,582 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:47:05,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.94ms. Allocated memory is still 134.2MB. Free memory was 101.7MB in the beginning and 78.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.67ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 75.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,582 INFO L158 Benchmark]: Boogie Preprocessor took 46.33ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:47:05,583 INFO L158 Benchmark]: RCFGBuilder took 331.86ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 73.7MB in the beginning and 165.4MB in the end (delta: -91.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,583 INFO L158 Benchmark]: TraceAbstraction took 2721.38ms. Allocated memory is still 195.0MB. Free memory was 165.4MB in the beginning and 91.0MB in the end (delta: 74.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,583 INFO L158 Benchmark]: Witness Printer took 31.78ms. Allocated memory is still 195.0MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:47:05,584 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 134.2MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.94ms. Allocated memory is still 134.2MB. Free memory was 101.7MB in the beginning and 78.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.67ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 75.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.33ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.86ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 73.7MB in the beginning and 165.4MB in the end (delta: -91.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2721.38ms. Allocated memory is still 195.0MB. Free memory was 165.4MB in the beginning and 91.0MB in the end (delta: 74.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 31.78ms. Allocated memory is still 195.0MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 123 PlacesBefore, 33 PlacesAfterwards, 126 TransitionsBefore, 31 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 5 ConcurrentYvCompositions, 5 ChoiceCompositions, 112 TotalNumberOfCompositions, 5053 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2754, positive: 2497, positive conditional: 0, positive unconditional: 2497, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1277, positive: 1235, positive conditional: 0, positive unconditional: 1235, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1277, positive: 1225, positive conditional: 0, positive unconditional: 1225, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2754, positive: 1262, positive conditional: 0, positive unconditional: 1262, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 1277, unknown conditional: 0, unknown unconditional: 1277] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, 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: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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, 147 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 41 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 18:47:05,621 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