./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07f2197b5968a77e6c355cdf5df9ed857c81c36b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 20:18:36,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 20:18:36,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 20:18:36,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 20:18:36,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 20:18:36,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 20:18:36,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 20:18:36,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 20:18:36,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 20:18:36,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 20:18:36,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 20:18:36,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 20:18:36,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 20:18:36,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 20:18:36,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 20:18:36,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 20:18:36,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 20:18:36,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 20:18:36,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 20:18:36,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 20:18:36,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 20:18:36,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 20:18:36,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 20:18:36,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 20:18:36,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 20:18:36,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 20:18:36,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 20:18:36,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 20:18:36,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 20:18:36,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 20:18:36,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 20:18:36,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 20:18:36,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 20:18:36,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 20:18:36,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 20:18:36,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 20:18:36,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 20:18:36,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 20:18:36,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 20:18:36,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 20:18:36,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 20:18:36,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 20:18:36,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 20:18:36,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 20:18:36,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 20:18:36,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 20:18:36,335 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 20:18:36,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 20:18:36,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 20:18:36,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 20:18:36,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 20:18:36,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 20:18:36,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 20:18:36,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 20:18:36,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 20:18:36,337 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 20:18:36,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 20:18:36,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 20:18:36,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 20:18:36,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 20:18:36,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 20:18:36,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 20:18:36,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 20:18:36,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:18:36,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 20:18:36,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 20:18:36,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 20:18:36,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 20:18:36,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 20:18:36,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 20:18:36,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 20:18:36,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UAutomizer-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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 07f2197b5968a77e6c355cdf5df9ed857c81c36b [2020-07-28 20:18:36,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 20:18:36,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 20:18:36,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 20:18:36,669 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 20:18:36,671 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 20:18:36,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2020-07-28 20:18:36,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63f43f4/9690c8eded1345c1add5842692eb3f7b/FLAGb01b3285c [2020-07-28 20:18:37,283 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 20:18:37,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2020-07-28 20:18:37,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63f43f4/9690c8eded1345c1add5842692eb3f7b/FLAGb01b3285c [2020-07-28 20:18:37,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63f43f4/9690c8eded1345c1add5842692eb3f7b [2020-07-28 20:18:37,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 20:18:37,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 20:18:37,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 20:18:37,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 20:18:37,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 20:18:37,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:18:37" (1/1) ... [2020-07-28 20:18:37,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4c4791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:37, skipping insertion in model container [2020-07-28 20:18:37,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:18:37" (1/1) ... [2020-07-28 20:18:37,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 20:18:37,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 20:18:38,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:18:38,194 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 20:18:38,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:18:38,318 INFO L208 MainTranslator]: Completed translation [2020-07-28 20:18:38,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38 WrapperNode [2020-07-28 20:18:38,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 20:18:38,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 20:18:38,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 20:18:38,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 20:18:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 20:18:38,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 20:18:38,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 20:18:38,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 20:18:38,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... [2020-07-28 20:18:38,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 20:18:38,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 20:18:38,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 20:18:38,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 20:18:38,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:18:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2020-07-28 20:18:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2020-07-28 20:18:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 20:18:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2020-07-28 20:18:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2020-07-28 20:18:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 20:18:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-07-28 20:18:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 20:18:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 20:18:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 20:18:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 20:18:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 20:18:38,480 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 20:18:38,967 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 20:18:38,967 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 20:18:38,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:18:38 BoogieIcfgContainer [2020-07-28 20:18:38,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 20:18:38,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 20:18:38,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 20:18:38,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 20:18:38,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 08:18:37" (1/3) ... [2020-07-28 20:18:38,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4afeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:18:38, skipping insertion in model container [2020-07-28 20:18:38,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:18:38" (2/3) ... [2020-07-28 20:18:38,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4afeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:18:38, skipping insertion in model container [2020-07-28 20:18:38,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:18:38" (3/3) ... [2020-07-28 20:18:38,981 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2020-07-28 20:18:38,991 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 20:18:38,992 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 20:18:38,999 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-28 20:18:39,000 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 20:18:39,032 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,033 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,033 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,033 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,034 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,034 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,035 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,035 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,036 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,036 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,037 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,038 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,038 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,038 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,039 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,039 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,040 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,040 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,044 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,044 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,044 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,045 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,045 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,045 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,054 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,054 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,055 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,055 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,055 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:18:39,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-07-28 20:18:39,106 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 20:18:39,106 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 20:18:39,106 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 20:18:39,107 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 20:18:39,107 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 20:18:39,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 20:18:39,108 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 20:18:39,108 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 20:18:39,130 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 84 transitions, 190 flow [2020-07-28 20:18:39,133 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 190 flow [2020-07-28 20:18:39,188 INFO L129 PetriNetUnfolder]: 6/84 cut-off events. [2020-07-28 20:18:39,189 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-07-28 20:18:39,194 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 84 events. 6/84 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2020-07-28 20:18:39,197 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 190 flow [2020-07-28 20:18:39,224 INFO L129 PetriNetUnfolder]: 6/84 cut-off events. [2020-07-28 20:18:39,224 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-07-28 20:18:39,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 84 events. 6/84 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2020-07-28 20:18:39,227 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 886 [2020-07-28 20:18:39,229 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 20:18:41,843 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-28 20:18:42,319 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2020-07-28 20:18:42,498 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-28 20:18:42,705 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-28 20:18:42,917 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-28 20:18:42,961 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2737 [2020-07-28 20:18:42,961 INFO L214 etLargeBlockEncoding]: Total number of compositions: 66 [2020-07-28 20:18:42,966 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 31 transitions, 84 flow [2020-07-28 20:18:42,988 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 197 states. [2020-07-28 20:18:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-07-28 20:18:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 20:18:42,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:18:42,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 20:18:42,999 INFO L427 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:18:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:18:43,005 INFO L82 PathProgramCache]: Analyzing trace with hash 304074620, now seen corresponding path program 1 times [2020-07-28 20:18:43,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:18:43,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106966886] [2020-07-28 20:18:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:18:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:18:43,226 INFO L280 TraceCheckUtils]: 0: Hoare triple {481#true} [291] ULTIMATE.startENTRY-->L709-1: Formula: (let ((.cse4 (store |#valid_In-1801078047| 0 0))) (let ((.cse5 (store .cse4 |~#m_inode~0.base_Out-1801078047| 1))) (let ((.cse6 (store .cse5 |~#m_busy~0.base_Out-1801078047| 1))) (let ((.cse0 (store .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 1)) (.cse2 (select |#memory_int_In-1801078047| |~#m_busy~0.base_Out-1801078047|)) (.cse1 (select |#memory_int_In-1801078047| |~#m_inode~0.base_Out-1801078047|))) (and (= |#valid_Out-1801078047| (store .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 1)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 16))) (= 0 (select .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|)) (= (select .cse2 |~#m_busy~0.offset_Out-1801078047|) 0) (= 0 |#NULL.offset_Out-1801078047|) (= 0 ~inode~0_Out-1801078047) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 12))) (= (let ((.cse3 (store |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047| (store (select |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047|) |~#m_inode~0.offset_Out-1801078047| 0)))) (store .cse3 |~#m_busy~0.base_Out-1801078047| (store (select .cse3 |~#m_busy~0.base_Out-1801078047|) |~#m_busy~0.offset_Out-1801078047| 0))) |#pthreadsMutex_Out-1801078047|) (= 0 (select .cse4 |~#m_inode~0.base_Out-1801078047|)) (= (store |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| (store (select |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0)) |#memory_int_Out-1801078047|) (= 0 |ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) (= 0 (select .cse5 |~#m_busy~0.base_Out-1801078047|)) (= 0 (select .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|)) (< 0 |#StackHeapBarrier_In-1801078047|) (= 0 |#NULL.base_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 4))) (= 1 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 ~block~0_Out-1801078047) (= 0 |~#m_inode~0.offset_Out-1801078047|) (= 0 ~busy~0_Out-1801078047) (< |#StackHeapBarrier_In-1801078047| |~#m_inode~0.base_Out-1801078047|) (= 0 |~#m_busy~0.offset_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 8))) (= |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 16))) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 8))) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 4))) (< |#StackHeapBarrier_In-1801078047| |~#m_busy~0.base_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 12))) (= (store (store (store (store |#length_In-1801078047| |~#m_inode~0.base_Out-1801078047| 24) |~#m_busy~0.base_Out-1801078047| 24) |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 4) |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 4) |#length_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|) (= 0 (select .cse1 |~#m_inode~0.offset_Out-1801078047|))))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1801078047|, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, #valid=|#valid_In-1801078047|, #memory_int=|#memory_int_In-1801078047|, #length=|#length_In-1801078047|} OutVars{~#m_busy~0.base=|~#m_busy~0.base_Out-1801078047|, ~#m_inode~0.offset=|~#m_inode~0.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out-1801078047|, #NULL.offset=|#NULL.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet6=|ULTIMATE.start_main_#t~nondet6_Out-1801078047|, ~inode~0=~inode~0_Out-1801078047, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047, ~busy~0=~busy~0_Out-1801078047, #length=|#length_Out-1801078047|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out-1801078047|, #pthreadsMutex=|#pthreadsMutex_Out-1801078047|, ~#m_busy~0.offset=|~#m_busy~0.offset_Out-1801078047|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|, ~#m_inode~0.base=|~#m_inode~0.base_Out-1801078047|, #NULL.base=|#NULL.base_Out-1801078047|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out-1801078047|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1801078047|, ~block~0=~block~0_Out-1801078047, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, ULTIMATE.start_main_#t~mem7=|ULTIMATE.start_main_#t~mem7_Out-1801078047|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1801078047|, #valid=|#valid_Out-1801078047|, #memory_int=|#memory_int_Out-1801078047|, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out-1801078047|} AuxVars[] AssignedVars[#pthreadsMutex, ~#m_busy~0.offset, ~#m_busy~0.base, ~#m_inode~0.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ~#m_inode~0.base, #NULL.base, ~inode~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem8, ~block~0, ULTIMATE.start_assume_abort_if_not_~cond, ~busy~0, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset] {483#(= ~inode~0 0)} is VALID [2020-07-28 20:18:43,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {483#(= ~inode~0 0)} [216] L709-1-->allocatorENTRY: Formula: (and (= |v_allocatorThread1of1ForFork0_#in~_.base_3| 0) (= 0 v_allocatorThread1of1ForFork0_thidvar0_2) (= 0 |v_allocatorThread1of1ForFork0_#in~_.offset_3|)) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_4|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_4|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_3, allocatorThread1of1ForFork0_#res.offset=|v_allocatorThread1of1ForFork0_#res.offset_3|, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_3, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_3|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_3|, allocatorThread1of1ForFork0_#res.base=|v_allocatorThread1of1ForFork0_#res.base_3|, allocatorThread1of1ForFork0_thidvar0=v_allocatorThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, allocatorThread1of1ForFork0_#t~nondet3, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_#res.offset, allocatorThread1of1ForFork0_~_.offset, allocatorThread1of1ForFork0_#in~_.base, allocatorThread1of1ForFork0_#in~_.offset, allocatorThread1of1ForFork0_#res.base, allocatorThread1of1ForFork0_thidvar0] {483#(= ~inode~0 0)} is VALID [2020-07-28 20:18:43,228 INFO L280 TraceCheckUtils]: 2: Hoare triple {483#(= ~inode~0 0)} [269] allocatorENTRY-->L684: Formula: (let ((.cse0 (select |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42|))) (and (= |v_allocatorThread1of1ForFork0_#in~_.offset_13| v_allocatorThread1of1ForFork0_~_.offset_13) (= (select .cse0 |v_~#m_inode~0.offset_42|) 0) (= (store |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42| (store .cse0 |v_~#m_inode~0.offset_42| 1)) |v_#pthreadsMutex_161|) (= v_allocatorThread1of1ForFork0_~_.base_13 |v_allocatorThread1of1ForFork0_#in~_.base_13|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_16|, #pthreadsMutex=|v_#pthreadsMutex_161|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_13, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_13, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, #pthreadsMutex, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_~_.offset] {483#(= ~inode~0 0)} is VALID [2020-07-28 20:18:43,230 INFO L280 TraceCheckUtils]: 3: Hoare triple {483#(= ~inode~0 0)} [234] L684-->L691: Formula: (and (not (= 0 v_~inode~0_8)) (= 1 v_~block~0_10)) InVars {~inode~0=v_~inode~0_8} OutVars{~inode~0=v_~inode~0_8, ~block~0=v_~block~0_10} AuxVars[] AssignedVars[~block~0] {482#false} is VALID [2020-07-28 20:18:43,231 INFO L280 TraceCheckUtils]: 4: Hoare triple {482#false} [239] L691-->allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~block~0_17)) InVars {~block~0=v_~block~0_17} OutVars{~block~0=v_~block~0_17} AuxVars[] AssignedVars[] {482#false} is VALID [2020-07-28 20:18:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:18:43,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106966886] [2020-07-28 20:18:43,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:18:43,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:18:43,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695059582] [2020-07-28 20:18:43,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-07-28 20:18:43,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:18:43,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:18:43,262 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:43,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:18:43,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:18:43,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:18:43,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:18:43,276 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2020-07-28 20:18:43,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,399 INFO L93 Difference]: Finished difference Result 197 states and 434 transitions. [2020-07-28 20:18:43,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:18:43,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-07-28 20:18:43,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:18:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2020-07-28 20:18:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2020-07-28 20:18:43,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 42 transitions. [2020-07-28 20:18:43,482 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:43,504 INFO L225 Difference]: With dead ends: 197 [2020-07-28 20:18:43,505 INFO L226 Difference]: Without dead ends: 167 [2020-07-28 20:18:43,506 INFO L675 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 [2020-07-28 20:18:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-28 20:18:43,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-07-28 20:18:43,594 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:18:43,595 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand 167 states. [2020-07-28 20:18:43,596 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 167 states. [2020-07-28 20:18:43,596 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 167 states. [2020-07-28 20:18:43,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,612 INFO L93 Difference]: Finished difference Result 167 states and 363 transitions. [2020-07-28 20:18:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 363 transitions. [2020-07-28 20:18:43,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:43,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:43,615 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 167 states. [2020-07-28 20:18:43,615 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 167 states. [2020-07-28 20:18:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,649 INFO L93 Difference]: Finished difference Result 167 states and 363 transitions. [2020-07-28 20:18:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 363 transitions. [2020-07-28 20:18:43,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:43,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:43,652 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:18:43,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:18:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-28 20:18:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 363 transitions. [2020-07-28 20:18:43,665 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 363 transitions. Word has length 5 [2020-07-28 20:18:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:18:43,665 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 363 transitions. [2020-07-28 20:18:43,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:18:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 363 transitions. [2020-07-28 20:18:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-28 20:18:43,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:18:43,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:18:43,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 20:18:43,668 INFO L427 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:18:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:18:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash 137181791, now seen corresponding path program 1 times [2020-07-28 20:18:43,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:18:43,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718212607] [2020-07-28 20:18:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:18:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:18:43,767 INFO L280 TraceCheckUtils]: 0: Hoare triple {1351#true} [291] ULTIMATE.startENTRY-->L709-1: Formula: (let ((.cse4 (store |#valid_In-1801078047| 0 0))) (let ((.cse5 (store .cse4 |~#m_inode~0.base_Out-1801078047| 1))) (let ((.cse6 (store .cse5 |~#m_busy~0.base_Out-1801078047| 1))) (let ((.cse0 (store .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 1)) (.cse2 (select |#memory_int_In-1801078047| |~#m_busy~0.base_Out-1801078047|)) (.cse1 (select |#memory_int_In-1801078047| |~#m_inode~0.base_Out-1801078047|))) (and (= |#valid_Out-1801078047| (store .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 1)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 16))) (= 0 (select .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|)) (= (select .cse2 |~#m_busy~0.offset_Out-1801078047|) 0) (= 0 |#NULL.offset_Out-1801078047|) (= 0 ~inode~0_Out-1801078047) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 12))) (= (let ((.cse3 (store |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047| (store (select |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047|) |~#m_inode~0.offset_Out-1801078047| 0)))) (store .cse3 |~#m_busy~0.base_Out-1801078047| (store (select .cse3 |~#m_busy~0.base_Out-1801078047|) |~#m_busy~0.offset_Out-1801078047| 0))) |#pthreadsMutex_Out-1801078047|) (= 0 (select .cse4 |~#m_inode~0.base_Out-1801078047|)) (= (store |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| (store (select |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0)) |#memory_int_Out-1801078047|) (= 0 |ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) (= 0 (select .cse5 |~#m_busy~0.base_Out-1801078047|)) (= 0 (select .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|)) (< 0 |#StackHeapBarrier_In-1801078047|) (= 0 |#NULL.base_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 4))) (= 1 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 ~block~0_Out-1801078047) (= 0 |~#m_inode~0.offset_Out-1801078047|) (= 0 ~busy~0_Out-1801078047) (< |#StackHeapBarrier_In-1801078047| |~#m_inode~0.base_Out-1801078047|) (= 0 |~#m_busy~0.offset_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 8))) (= |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 16))) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 8))) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 4))) (< |#StackHeapBarrier_In-1801078047| |~#m_busy~0.base_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 12))) (= (store (store (store (store |#length_In-1801078047| |~#m_inode~0.base_Out-1801078047| 24) |~#m_busy~0.base_Out-1801078047| 24) |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 4) |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 4) |#length_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|) (= 0 (select .cse1 |~#m_inode~0.offset_Out-1801078047|))))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1801078047|, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, #valid=|#valid_In-1801078047|, #memory_int=|#memory_int_In-1801078047|, #length=|#length_In-1801078047|} OutVars{~#m_busy~0.base=|~#m_busy~0.base_Out-1801078047|, ~#m_inode~0.offset=|~#m_inode~0.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out-1801078047|, #NULL.offset=|#NULL.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet6=|ULTIMATE.start_main_#t~nondet6_Out-1801078047|, ~inode~0=~inode~0_Out-1801078047, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047, ~busy~0=~busy~0_Out-1801078047, #length=|#length_Out-1801078047|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out-1801078047|, #pthreadsMutex=|#pthreadsMutex_Out-1801078047|, ~#m_busy~0.offset=|~#m_busy~0.offset_Out-1801078047|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|, ~#m_inode~0.base=|~#m_inode~0.base_Out-1801078047|, #NULL.base=|#NULL.base_Out-1801078047|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out-1801078047|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1801078047|, ~block~0=~block~0_Out-1801078047, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, ULTIMATE.start_main_#t~mem7=|ULTIMATE.start_main_#t~mem7_Out-1801078047|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1801078047|, #valid=|#valid_Out-1801078047|, #memory_int=|#memory_int_Out-1801078047|, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out-1801078047|} AuxVars[] AssignedVars[#pthreadsMutex, ~#m_busy~0.offset, ~#m_busy~0.base, ~#m_inode~0.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ~#m_inode~0.base, #NULL.base, ~inode~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem8, ~block~0, ULTIMATE.start_assume_abort_if_not_~cond, ~busy~0, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset] {1351#true} is VALID [2020-07-28 20:18:43,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {1351#true} [216] L709-1-->allocatorENTRY: Formula: (and (= |v_allocatorThread1of1ForFork0_#in~_.base_3| 0) (= 0 v_allocatorThread1of1ForFork0_thidvar0_2) (= 0 |v_allocatorThread1of1ForFork0_#in~_.offset_3|)) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_4|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_4|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_3, allocatorThread1of1ForFork0_#res.offset=|v_allocatorThread1of1ForFork0_#res.offset_3|, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_3, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_3|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_3|, allocatorThread1of1ForFork0_#res.base=|v_allocatorThread1of1ForFork0_#res.base_3|, allocatorThread1of1ForFork0_thidvar0=v_allocatorThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, allocatorThread1of1ForFork0_#t~nondet3, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_#res.offset, allocatorThread1of1ForFork0_~_.offset, allocatorThread1of1ForFork0_#in~_.base, allocatorThread1of1ForFork0_#in~_.offset, allocatorThread1of1ForFork0_#res.base, allocatorThread1of1ForFork0_thidvar0] {1351#true} is VALID [2020-07-28 20:18:43,768 INFO L280 TraceCheckUtils]: 2: Hoare triple {1351#true} [247] L709-2-->L710-1: Formula: (= (store |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_24|) InVars {#memory_int=|v_#memory_int_25|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_24|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, #memory_int] {1351#true} is VALID [2020-07-28 20:18:43,768 INFO L280 TraceCheckUtils]: 3: Hoare triple {1351#true} [218] L710-1-->de_allocatorENTRY: Formula: (and (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.base_3|) (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.offset_3|) (= v_de_allocatorThread1of1ForFork1_thidvar0_2 1)) InVars {} OutVars{de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_3, de_allocatorThread1of1ForFork1_thidvar0=v_de_allocatorThread1of1ForFork1_thidvar0_2, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_3, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_4|, de_allocatorThread1of1ForFork1_#res.base=|v_de_allocatorThread1of1ForFork1_#res.base_3|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_3|, de_allocatorThread1of1ForFork1_#res.offset=|v_de_allocatorThread1of1ForFork1_#res.offset_3|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_3|} AuxVars[] AssignedVars[de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_thidvar0, de_allocatorThread1of1ForFork1_~_.base, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_#res.base, de_allocatorThread1of1ForFork1_#in~_.base, de_allocatorThread1of1ForFork1_#res.offset, de_allocatorThread1of1ForFork1_#in~_.offset] {1351#true} is VALID [2020-07-28 20:18:43,768 INFO L280 TraceCheckUtils]: 4: Hoare triple {1351#true} [276] de_allocatorENTRY-->L698: Formula: (let ((.cse0 (select |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85|))) (and (= 0 (select .cse0 |v_~#m_busy~0.offset_85|)) (= |v_de_allocatorThread1of1ForFork1_#in~_.base_4| v_de_allocatorThread1of1ForFork1_~_.base_4) (= (store |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85| (store .cse0 |v_~#m_busy~0.offset_85| 1)) |v_#pthreadsMutex_217|) (= v_de_allocatorThread1of1ForFork1_~_.offset_4 |v_de_allocatorThread1of1ForFork1_#in~_.offset_4|) (= 0 v_~busy~0_61))) InVars {#pthreadsMutex=|v_#pthreadsMutex_218|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_217|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_4, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_30|, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_4, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} AuxVars[] AssignedVars[#pthreadsMutex, de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_~_.base] {1351#true} is VALID [2020-07-28 20:18:43,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {1351#true} [207] L698-->L699: Formula: (= v_~block~0_4 0) InVars {} OutVars{~block~0=v_~block~0_4} AuxVars[] AssignedVars[~block~0] {1353#(= 0 ~block~0)} is VALID [2020-07-28 20:18:43,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {1353#(= 0 ~block~0)} [243] L699-->de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 0 v_~block~0_23)) InVars {~block~0=v_~block~0_23} OutVars{~block~0=v_~block~0_23} AuxVars[] AssignedVars[] {1352#false} is VALID [2020-07-28 20:18:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:18:43,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718212607] [2020-07-28 20:18:43,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:18:43,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:18:43,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268731857] [2020-07-28 20:18:43,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-07-28 20:18:43,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:18:43,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:18:43,782 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:43,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:18:43,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:18:43,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:18:43,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:18:43,783 INFO L87 Difference]: Start difference. First operand 167 states and 363 transitions. Second operand 3 states. [2020-07-28 20:18:43,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,862 INFO L93 Difference]: Finished difference Result 182 states and 370 transitions. [2020-07-28 20:18:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:18:43,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-07-28 20:18:43,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:18:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2020-07-28 20:18:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2020-07-28 20:18:43,865 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 41 transitions. [2020-07-28 20:18:43,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:43,914 INFO L225 Difference]: With dead ends: 182 [2020-07-28 20:18:43,914 INFO L226 Difference]: Without dead ends: 157 [2020-07-28 20:18:43,915 INFO L675 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 [2020-07-28 20:18:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-28 20:18:43,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 143. [2020-07-28 20:18:43,964 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:18:43,965 INFO L82 GeneralOperation]: Start isEquivalent. First operand 157 states. Second operand 143 states. [2020-07-28 20:18:43,965 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand 143 states. [2020-07-28 20:18:43,965 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 143 states. [2020-07-28 20:18:43,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,978 INFO L93 Difference]: Finished difference Result 157 states and 323 transitions. [2020-07-28 20:18:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 323 transitions. [2020-07-28 20:18:43,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:43,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:43,980 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 157 states. [2020-07-28 20:18:43,980 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 157 states. [2020-07-28 20:18:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:43,993 INFO L93 Difference]: Finished difference Result 157 states and 323 transitions. [2020-07-28 20:18:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 323 transitions. [2020-07-28 20:18:43,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:43,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:43,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:18:43,995 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:18:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-28 20:18:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 302 transitions. [2020-07-28 20:18:44,006 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 302 transitions. Word has length 7 [2020-07-28 20:18:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:18:44,006 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 302 transitions. [2020-07-28 20:18:44,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:18:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 302 transitions. [2020-07-28 20:18:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 20:18:44,007 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:18:44,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:18:44,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 20:18:44,008 INFO L427 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:18:44,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:18:44,009 INFO L82 PathProgramCache]: Analyzing trace with hash 610856971, now seen corresponding path program 1 times [2020-07-28 20:18:44,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:18:44,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033638876] [2020-07-28 20:18:44,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:18:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:18:44,063 INFO L280 TraceCheckUtils]: 0: Hoare triple {2138#true} [291] ULTIMATE.startENTRY-->L709-1: Formula: (let ((.cse4 (store |#valid_In-1801078047| 0 0))) (let ((.cse5 (store .cse4 |~#m_inode~0.base_Out-1801078047| 1))) (let ((.cse6 (store .cse5 |~#m_busy~0.base_Out-1801078047| 1))) (let ((.cse0 (store .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 1)) (.cse2 (select |#memory_int_In-1801078047| |~#m_busy~0.base_Out-1801078047|)) (.cse1 (select |#memory_int_In-1801078047| |~#m_inode~0.base_Out-1801078047|))) (and (= |#valid_Out-1801078047| (store .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 1)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 16))) (= 0 (select .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|)) (= (select .cse2 |~#m_busy~0.offset_Out-1801078047|) 0) (= 0 |#NULL.offset_Out-1801078047|) (= 0 ~inode~0_Out-1801078047) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 12))) (= (let ((.cse3 (store |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047| (store (select |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047|) |~#m_inode~0.offset_Out-1801078047| 0)))) (store .cse3 |~#m_busy~0.base_Out-1801078047| (store (select .cse3 |~#m_busy~0.base_Out-1801078047|) |~#m_busy~0.offset_Out-1801078047| 0))) |#pthreadsMutex_Out-1801078047|) (= 0 (select .cse4 |~#m_inode~0.base_Out-1801078047|)) (= (store |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| (store (select |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0)) |#memory_int_Out-1801078047|) (= 0 |ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) (= 0 (select .cse5 |~#m_busy~0.base_Out-1801078047|)) (= 0 (select .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|)) (< 0 |#StackHeapBarrier_In-1801078047|) (= 0 |#NULL.base_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 4))) (= 1 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 ~block~0_Out-1801078047) (= 0 |~#m_inode~0.offset_Out-1801078047|) (= 0 ~busy~0_Out-1801078047) (< |#StackHeapBarrier_In-1801078047| |~#m_inode~0.base_Out-1801078047|) (= 0 |~#m_busy~0.offset_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 8))) (= |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 16))) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 8))) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 4))) (< |#StackHeapBarrier_In-1801078047| |~#m_busy~0.base_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 12))) (= (store (store (store (store |#length_In-1801078047| |~#m_inode~0.base_Out-1801078047| 24) |~#m_busy~0.base_Out-1801078047| 24) |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 4) |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 4) |#length_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|) (= 0 (select .cse1 |~#m_inode~0.offset_Out-1801078047|))))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1801078047|, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, #valid=|#valid_In-1801078047|, #memory_int=|#memory_int_In-1801078047|, #length=|#length_In-1801078047|} OutVars{~#m_busy~0.base=|~#m_busy~0.base_Out-1801078047|, ~#m_inode~0.offset=|~#m_inode~0.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out-1801078047|, #NULL.offset=|#NULL.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet6=|ULTIMATE.start_main_#t~nondet6_Out-1801078047|, ~inode~0=~inode~0_Out-1801078047, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047, ~busy~0=~busy~0_Out-1801078047, #length=|#length_Out-1801078047|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out-1801078047|, #pthreadsMutex=|#pthreadsMutex_Out-1801078047|, ~#m_busy~0.offset=|~#m_busy~0.offset_Out-1801078047|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|, ~#m_inode~0.base=|~#m_inode~0.base_Out-1801078047|, #NULL.base=|#NULL.base_Out-1801078047|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out-1801078047|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1801078047|, ~block~0=~block~0_Out-1801078047, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, ULTIMATE.start_main_#t~mem7=|ULTIMATE.start_main_#t~mem7_Out-1801078047|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1801078047|, #valid=|#valid_Out-1801078047|, #memory_int=|#memory_int_Out-1801078047|, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out-1801078047|} AuxVars[] AssignedVars[#pthreadsMutex, ~#m_busy~0.offset, ~#m_busy~0.base, ~#m_inode~0.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ~#m_inode~0.base, #NULL.base, ~inode~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem8, ~block~0, ULTIMATE.start_assume_abort_if_not_~cond, ~busy~0, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset] {2138#true} is VALID [2020-07-28 20:18:44,064 INFO L280 TraceCheckUtils]: 1: Hoare triple {2138#true} [216] L709-1-->allocatorENTRY: Formula: (and (= |v_allocatorThread1of1ForFork0_#in~_.base_3| 0) (= 0 v_allocatorThread1of1ForFork0_thidvar0_2) (= 0 |v_allocatorThread1of1ForFork0_#in~_.offset_3|)) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_4|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_4|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_3, allocatorThread1of1ForFork0_#res.offset=|v_allocatorThread1of1ForFork0_#res.offset_3|, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_3, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_3|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_3|, allocatorThread1of1ForFork0_#res.base=|v_allocatorThread1of1ForFork0_#res.base_3|, allocatorThread1of1ForFork0_thidvar0=v_allocatorThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, allocatorThread1of1ForFork0_#t~nondet3, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_#res.offset, allocatorThread1of1ForFork0_~_.offset, allocatorThread1of1ForFork0_#in~_.base, allocatorThread1of1ForFork0_#in~_.offset, allocatorThread1of1ForFork0_#res.base, allocatorThread1of1ForFork0_thidvar0] {2138#true} is VALID [2020-07-28 20:18:44,064 INFO L280 TraceCheckUtils]: 2: Hoare triple {2138#true} [269] allocatorENTRY-->L684: Formula: (let ((.cse0 (select |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42|))) (and (= |v_allocatorThread1of1ForFork0_#in~_.offset_13| v_allocatorThread1of1ForFork0_~_.offset_13) (= (select .cse0 |v_~#m_inode~0.offset_42|) 0) (= (store |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42| (store .cse0 |v_~#m_inode~0.offset_42| 1)) |v_#pthreadsMutex_161|) (= v_allocatorThread1of1ForFork0_~_.base_13 |v_allocatorThread1of1ForFork0_#in~_.base_13|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_16|, #pthreadsMutex=|v_#pthreadsMutex_161|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_13, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_13, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, #pthreadsMutex, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_~_.offset] {2138#true} is VALID [2020-07-28 20:18:44,064 INFO L280 TraceCheckUtils]: 3: Hoare triple {2138#true} [244] L684-->L685-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19|))) (and (= 0 v_~inode~0_9) (= 0 (select .cse0 |v_~#m_busy~0.offset_19|)) (= 0 |v_allocatorThread1of1ForFork0_#t~nondet3_5|) (= |v_#pthreadsMutex_29| (store |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19| (store .cse0 |v_~#m_busy~0.offset_19| 1))))) InVars {~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_30|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} OutVars{~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_29|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_5|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} AuxVars[] AssignedVars[#pthreadsMutex, allocatorThread1of1ForFork0_#t~nondet3] {2138#true} is VALID [2020-07-28 20:18:44,065 INFO L280 TraceCheckUtils]: 4: Hoare triple {2138#true} [254] L685-1-->L687: Formula: (= 1 v_~busy~0_21) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_6|, ~busy~0=v_~busy~0_21} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet3, ~busy~0] {2138#true} is VALID [2020-07-28 20:18:44,065 INFO L280 TraceCheckUtils]: 5: Hoare triple {2138#true} [198] L687-->L688: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2| (store (select |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2|) |v_~#m_busy~0.offset_2| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_6|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_5|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} AuxVars[] AssignedVars[#pthreadsMutex] {2138#true} is VALID [2020-07-28 20:18:44,066 INFO L280 TraceCheckUtils]: 6: Hoare triple {2138#true} [233] L688-->L691: Formula: (and (= 1 v_~inode~0_7) (= 1 v_~block~0_9)) InVars {} OutVars{~inode~0=v_~inode~0_7, ~block~0=v_~block~0_9} AuxVars[] AssignedVars[~inode~0, ~block~0] {2140#(= 1 ~block~0)} is VALID [2020-07-28 20:18:44,067 INFO L280 TraceCheckUtils]: 7: Hoare triple {2140#(= 1 ~block~0)} [239] L691-->allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~block~0_17)) InVars {~block~0=v_~block~0_17} OutVars{~block~0=v_~block~0_17} AuxVars[] AssignedVars[] {2139#false} is VALID [2020-07-28 20:18:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:18:44,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033638876] [2020-07-28 20:18:44,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:18:44,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:18:44,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341364691] [2020-07-28 20:18:44,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 20:18:44,069 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:18:44,069 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:18:44,079 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:18:44,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:18:44,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:18:44,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:18:44,080 INFO L87 Difference]: Start difference. First operand 143 states and 302 transitions. Second operand 3 states. [2020-07-28 20:18:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,156 INFO L93 Difference]: Finished difference Result 138 states and 278 transitions. [2020-07-28 20:18:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:18:44,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 20:18:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:18:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2020-07-28 20:18:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2020-07-28 20:18:44,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 37 transitions. [2020-07-28 20:18:44,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,201 INFO L225 Difference]: With dead ends: 138 [2020-07-28 20:18:44,201 INFO L226 Difference]: Without dead ends: 84 [2020-07-28 20:18:44,205 INFO L675 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 [2020-07-28 20:18:44,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-28 20:18:44,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-07-28 20:18:44,230 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:18:44,231 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states. [2020-07-28 20:18:44,231 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-28 20:18:44,231 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-28 20:18:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,235 INFO L93 Difference]: Finished difference Result 84 states and 151 transitions. [2020-07-28 20:18:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2020-07-28 20:18:44,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,236 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-28 20:18:44,236 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-28 20:18:44,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,240 INFO L93 Difference]: Finished difference Result 84 states and 151 transitions. [2020-07-28 20:18:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2020-07-28 20:18:44,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,241 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:18:44,241 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:18:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-28 20:18:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 151 transitions. [2020-07-28 20:18:44,245 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 151 transitions. Word has length 8 [2020-07-28 20:18:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:18:44,245 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 151 transitions. [2020-07-28 20:18:44,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:18:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2020-07-28 20:18:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 20:18:44,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:18:44,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:18:44,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 20:18:44,247 INFO L427 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:18:44,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:18:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2030863522, now seen corresponding path program 1 times [2020-07-28 20:18:44,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:18:44,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433154294] [2020-07-28 20:18:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:18:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:18:44,368 INFO L280 TraceCheckUtils]: 0: Hoare triple {2617#true} [291] ULTIMATE.startENTRY-->L709-1: Formula: (let ((.cse4 (store |#valid_In-1801078047| 0 0))) (let ((.cse5 (store .cse4 |~#m_inode~0.base_Out-1801078047| 1))) (let ((.cse6 (store .cse5 |~#m_busy~0.base_Out-1801078047| 1))) (let ((.cse0 (store .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 1)) (.cse2 (select |#memory_int_In-1801078047| |~#m_busy~0.base_Out-1801078047|)) (.cse1 (select |#memory_int_In-1801078047| |~#m_inode~0.base_Out-1801078047|))) (and (= |#valid_Out-1801078047| (store .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 1)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 16))) (= 0 (select .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|)) (= (select .cse2 |~#m_busy~0.offset_Out-1801078047|) 0) (= 0 |#NULL.offset_Out-1801078047|) (= 0 ~inode~0_Out-1801078047) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 12))) (= (let ((.cse3 (store |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047| (store (select |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047|) |~#m_inode~0.offset_Out-1801078047| 0)))) (store .cse3 |~#m_busy~0.base_Out-1801078047| (store (select .cse3 |~#m_busy~0.base_Out-1801078047|) |~#m_busy~0.offset_Out-1801078047| 0))) |#pthreadsMutex_Out-1801078047|) (= 0 (select .cse4 |~#m_inode~0.base_Out-1801078047|)) (= (store |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| (store (select |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0)) |#memory_int_Out-1801078047|) (= 0 |ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) (= 0 (select .cse5 |~#m_busy~0.base_Out-1801078047|)) (= 0 (select .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|)) (< 0 |#StackHeapBarrier_In-1801078047|) (= 0 |#NULL.base_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 4))) (= 1 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 ~block~0_Out-1801078047) (= 0 |~#m_inode~0.offset_Out-1801078047|) (= 0 ~busy~0_Out-1801078047) (< |#StackHeapBarrier_In-1801078047| |~#m_inode~0.base_Out-1801078047|) (= 0 |~#m_busy~0.offset_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 8))) (= |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 16))) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 8))) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 4))) (< |#StackHeapBarrier_In-1801078047| |~#m_busy~0.base_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 12))) (= (store (store (store (store |#length_In-1801078047| |~#m_inode~0.base_Out-1801078047| 24) |~#m_busy~0.base_Out-1801078047| 24) |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 4) |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 4) |#length_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|) (= 0 (select .cse1 |~#m_inode~0.offset_Out-1801078047|))))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1801078047|, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, #valid=|#valid_In-1801078047|, #memory_int=|#memory_int_In-1801078047|, #length=|#length_In-1801078047|} OutVars{~#m_busy~0.base=|~#m_busy~0.base_Out-1801078047|, ~#m_inode~0.offset=|~#m_inode~0.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out-1801078047|, #NULL.offset=|#NULL.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet6=|ULTIMATE.start_main_#t~nondet6_Out-1801078047|, ~inode~0=~inode~0_Out-1801078047, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047, ~busy~0=~busy~0_Out-1801078047, #length=|#length_Out-1801078047|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out-1801078047|, #pthreadsMutex=|#pthreadsMutex_Out-1801078047|, ~#m_busy~0.offset=|~#m_busy~0.offset_Out-1801078047|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|, ~#m_inode~0.base=|~#m_inode~0.base_Out-1801078047|, #NULL.base=|#NULL.base_Out-1801078047|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out-1801078047|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1801078047|, ~block~0=~block~0_Out-1801078047, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, ULTIMATE.start_main_#t~mem7=|ULTIMATE.start_main_#t~mem7_Out-1801078047|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1801078047|, #valid=|#valid_Out-1801078047|, #memory_int=|#memory_int_Out-1801078047|, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out-1801078047|} AuxVars[] AssignedVars[#pthreadsMutex, ~#m_busy~0.offset, ~#m_busy~0.base, ~#m_inode~0.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ~#m_inode~0.base, #NULL.base, ~inode~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem8, ~block~0, ULTIMATE.start_assume_abort_if_not_~cond, ~busy~0, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset] {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} is VALID [2020-07-28 20:18:44,369 INFO L280 TraceCheckUtils]: 1: Hoare triple {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} [216] L709-1-->allocatorENTRY: Formula: (and (= |v_allocatorThread1of1ForFork0_#in~_.base_3| 0) (= 0 v_allocatorThread1of1ForFork0_thidvar0_2) (= 0 |v_allocatorThread1of1ForFork0_#in~_.offset_3|)) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_4|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_4|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_3, allocatorThread1of1ForFork0_#res.offset=|v_allocatorThread1of1ForFork0_#res.offset_3|, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_3, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_3|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_3|, allocatorThread1of1ForFork0_#res.base=|v_allocatorThread1of1ForFork0_#res.base_3|, allocatorThread1of1ForFork0_thidvar0=v_allocatorThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, allocatorThread1of1ForFork0_#t~nondet3, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_#res.offset, allocatorThread1of1ForFork0_~_.offset, allocatorThread1of1ForFork0_#in~_.base, allocatorThread1of1ForFork0_#in~_.offset, allocatorThread1of1ForFork0_#res.base, allocatorThread1of1ForFork0_thidvar0] {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} is VALID [2020-07-28 20:18:44,370 INFO L280 TraceCheckUtils]: 2: Hoare triple {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} [247] L709-2-->L710-1: Formula: (= (store |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_24|) InVars {#memory_int=|v_#memory_int_25|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_24|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, #memory_int] {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} is VALID [2020-07-28 20:18:44,370 INFO L280 TraceCheckUtils]: 3: Hoare triple {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} [218] L710-1-->de_allocatorENTRY: Formula: (and (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.base_3|) (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.offset_3|) (= v_de_allocatorThread1of1ForFork1_thidvar0_2 1)) InVars {} OutVars{de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_3, de_allocatorThread1of1ForFork1_thidvar0=v_de_allocatorThread1of1ForFork1_thidvar0_2, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_3, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_4|, de_allocatorThread1of1ForFork1_#res.base=|v_de_allocatorThread1of1ForFork1_#res.base_3|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_3|, de_allocatorThread1of1ForFork1_#res.offset=|v_de_allocatorThread1of1ForFork1_#res.offset_3|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_3|} AuxVars[] AssignedVars[de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_thidvar0, de_allocatorThread1of1ForFork1_~_.base, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_#res.base, de_allocatorThread1of1ForFork1_#in~_.base, de_allocatorThread1of1ForFork1_#res.offset, de_allocatorThread1of1ForFork1_#in~_.offset] {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} is VALID [2020-07-28 20:18:44,372 INFO L280 TraceCheckUtils]: 4: Hoare triple {2619#(not (= |~#m_busy~0.base| |~#m_inode~0.base|))} [276] de_allocatorENTRY-->L698: Formula: (let ((.cse0 (select |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85|))) (and (= 0 (select .cse0 |v_~#m_busy~0.offset_85|)) (= |v_de_allocatorThread1of1ForFork1_#in~_.base_4| v_de_allocatorThread1of1ForFork1_~_.base_4) (= (store |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85| (store .cse0 |v_~#m_busy~0.offset_85| 1)) |v_#pthreadsMutex_217|) (= v_de_allocatorThread1of1ForFork1_~_.offset_4 |v_de_allocatorThread1of1ForFork1_#in~_.offset_4|) (= 0 v_~busy~0_61))) InVars {#pthreadsMutex=|v_#pthreadsMutex_218|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_217|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_4, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_30|, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_4, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} AuxVars[] AssignedVars[#pthreadsMutex, de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_~_.base] {2620#(and (= 1 (select (select |#pthreadsMutex| |~#m_busy~0.base|) |~#m_busy~0.offset|)) (not (= |~#m_busy~0.base| |~#m_inode~0.base|)))} is VALID [2020-07-28 20:18:44,373 INFO L280 TraceCheckUtils]: 5: Hoare triple {2620#(and (= 1 (select (select |#pthreadsMutex| |~#m_busy~0.base|) |~#m_busy~0.offset|)) (not (= |~#m_busy~0.base| |~#m_inode~0.base|)))} [269] allocatorENTRY-->L684: Formula: (let ((.cse0 (select |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42|))) (and (= |v_allocatorThread1of1ForFork0_#in~_.offset_13| v_allocatorThread1of1ForFork0_~_.offset_13) (= (select .cse0 |v_~#m_inode~0.offset_42|) 0) (= (store |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42| (store .cse0 |v_~#m_inode~0.offset_42| 1)) |v_#pthreadsMutex_161|) (= v_allocatorThread1of1ForFork0_~_.base_13 |v_allocatorThread1of1ForFork0_#in~_.base_13|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_16|, #pthreadsMutex=|v_#pthreadsMutex_161|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_13, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_13, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, #pthreadsMutex, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_~_.offset] {2621#(= 1 (select (select |#pthreadsMutex| |~#m_busy~0.base|) |~#m_busy~0.offset|))} is VALID [2020-07-28 20:18:44,374 INFO L280 TraceCheckUtils]: 6: Hoare triple {2621#(= 1 (select (select |#pthreadsMutex| |~#m_busy~0.base|) |~#m_busy~0.offset|))} [244] L684-->L685-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19|))) (and (= 0 v_~inode~0_9) (= 0 (select .cse0 |v_~#m_busy~0.offset_19|)) (= 0 |v_allocatorThread1of1ForFork0_#t~nondet3_5|) (= |v_#pthreadsMutex_29| (store |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19| (store .cse0 |v_~#m_busy~0.offset_19| 1))))) InVars {~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_30|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} OutVars{~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_29|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_5|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} AuxVars[] AssignedVars[#pthreadsMutex, allocatorThread1of1ForFork0_#t~nondet3] {2618#false} is VALID [2020-07-28 20:18:44,374 INFO L280 TraceCheckUtils]: 7: Hoare triple {2618#false} [254] L685-1-->L687: Formula: (= 1 v_~busy~0_21) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_6|, ~busy~0=v_~busy~0_21} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet3, ~busy~0] {2618#false} is VALID [2020-07-28 20:18:44,374 INFO L280 TraceCheckUtils]: 8: Hoare triple {2618#false} [198] L687-->L688: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2| (store (select |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2|) |v_~#m_busy~0.offset_2| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_6|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_5|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} AuxVars[] AssignedVars[#pthreadsMutex] {2618#false} is VALID [2020-07-28 20:18:44,375 INFO L280 TraceCheckUtils]: 9: Hoare triple {2618#false} [233] L688-->L691: Formula: (and (= 1 v_~inode~0_7) (= 1 v_~block~0_9)) InVars {} OutVars{~inode~0=v_~inode~0_7, ~block~0=v_~block~0_9} AuxVars[] AssignedVars[~inode~0, ~block~0] {2618#false} is VALID [2020-07-28 20:18:44,375 INFO L280 TraceCheckUtils]: 10: Hoare triple {2618#false} [272] L698-->L697-1: Formula: (= 0 ~block~0_Out2121175483) InVars {} OutVars{~block~0=~block~0_Out2121175483} AuxVars[] AssignedVars[~block~0] {2622#(= 1 ~block~0)} is VALID [2020-07-28 20:18:44,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {2622#(= 1 ~block~0)} [239] L691-->allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~block~0_17)) InVars {~block~0=v_~block~0_17} OutVars{~block~0=v_~block~0_17} AuxVars[] AssignedVars[] {2618#false} is VALID [2020-07-28 20:18:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:18:44,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433154294] [2020-07-28 20:18:44,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:18:44,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 20:18:44,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146309997] [2020-07-28 20:18:44,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-28 20:18:44,380 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:18:44,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 20:18:44,397 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 20:18:44,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:18:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 20:18:44,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 20:18:44,399 INFO L87 Difference]: Start difference. First operand 84 states and 151 transitions. Second operand 6 states. [2020-07-28 20:18:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,594 INFO L93 Difference]: Finished difference Result 76 states and 127 transitions. [2020-07-28 20:18:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 20:18:44,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-28 20:18:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:18:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 20:18:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2020-07-28 20:18:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 20:18:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2020-07-28 20:18:44,598 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 38 transitions. [2020-07-28 20:18:44,648 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,650 INFO L225 Difference]: With dead ends: 76 [2020-07-28 20:18:44,650 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 20:18:44,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 20:18:44,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 20:18:44,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:18:44,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-28 20:18:44,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:18:44,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-28 20:18:44,678 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 20:18:44,679 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 20:18:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,683 INFO L93 Difference]: Finished difference Result 68 states and 111 transitions. [2020-07-28 20:18:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2020-07-28 20:18:44,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,684 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 20:18:44,685 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 20:18:44,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,689 INFO L93 Difference]: Finished difference Result 68 states and 111 transitions. [2020-07-28 20:18:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2020-07-28 20:18:44,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:18:44,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:18:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-28 20:18:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 111 transitions. [2020-07-28 20:18:44,694 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 111 transitions. Word has length 12 [2020-07-28 20:18:44,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:18:44,694 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 111 transitions. [2020-07-28 20:18:44,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 20:18:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2020-07-28 20:18:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 20:18:44,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:18:44,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:18:44,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 20:18:44,696 INFO L427 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:18:44,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:18:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1821491492, now seen corresponding path program 2 times [2020-07-28 20:18:44,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:18:44,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587068793] [2020-07-28 20:18:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:18:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:18:44,788 INFO L280 TraceCheckUtils]: 0: Hoare triple {2977#true} [291] ULTIMATE.startENTRY-->L709-1: Formula: (let ((.cse4 (store |#valid_In-1801078047| 0 0))) (let ((.cse5 (store .cse4 |~#m_inode~0.base_Out-1801078047| 1))) (let ((.cse6 (store .cse5 |~#m_busy~0.base_Out-1801078047| 1))) (let ((.cse0 (store .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 1)) (.cse2 (select |#memory_int_In-1801078047| |~#m_busy~0.base_Out-1801078047|)) (.cse1 (select |#memory_int_In-1801078047| |~#m_inode~0.base_Out-1801078047|))) (and (= |#valid_Out-1801078047| (store .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 1)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 16))) (= 0 (select .cse0 |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|)) (= (select .cse2 |~#m_busy~0.offset_Out-1801078047|) 0) (= 0 |#NULL.offset_Out-1801078047|) (= 0 ~inode~0_Out-1801078047) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 12))) (= (let ((.cse3 (store |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047| (store (select |#pthreadsMutex_In-1801078047| |~#m_inode~0.base_Out-1801078047|) |~#m_inode~0.offset_Out-1801078047| 0)))) (store .cse3 |~#m_busy~0.base_Out-1801078047| (store (select .cse3 |~#m_busy~0.base_Out-1801078047|) |~#m_busy~0.offset_Out-1801078047| 0))) |#pthreadsMutex_Out-1801078047|) (= 0 (select .cse4 |~#m_inode~0.base_Out-1801078047|)) (= (store |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| (store (select |#memory_int_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0)) |#memory_int_Out-1801078047|) (= 0 |ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|) (= 0 (select .cse5 |~#m_busy~0.base_Out-1801078047|)) (= 0 (select .cse6 |ULTIMATE.start_main_~#t1~0.base_Out-1801078047|)) (< 0 |#StackHeapBarrier_In-1801078047|) (= 0 |#NULL.base_Out-1801078047|) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 4))) (= 1 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|) (= 0 ~block~0_Out-1801078047) (= 0 |~#m_inode~0.offset_Out-1801078047|) (= 0 ~busy~0_Out-1801078047) (< |#StackHeapBarrier_In-1801078047| |~#m_inode~0.base_Out-1801078047|) (= 0 |~#m_busy~0.offset_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 8))) (= |ULTIMATE.start_main_~#t1~0.offset_Out-1801078047| 0) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 16))) (= 0 (select .cse1 (+ |~#m_inode~0.offset_Out-1801078047| 8))) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 4))) (< |#StackHeapBarrier_In-1801078047| |~#m_busy~0.base_Out-1801078047|) (= 0 (select .cse2 (+ |~#m_busy~0.offset_Out-1801078047| 12))) (= (store (store (store (store |#length_In-1801078047| |~#m_inode~0.base_Out-1801078047| 24) |~#m_busy~0.base_Out-1801078047| 24) |ULTIMATE.start_main_~#t1~0.base_Out-1801078047| 4) |ULTIMATE.start_main_~#t2~0.base_Out-1801078047| 4) |#length_Out-1801078047|) (< |#StackHeapBarrier_In-1801078047| |ULTIMATE.start_main_~#t2~0.base_Out-1801078047|) (= 0 (select .cse1 |~#m_inode~0.offset_Out-1801078047|))))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1801078047|, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, #valid=|#valid_In-1801078047|, #memory_int=|#memory_int_In-1801078047|, #length=|#length_In-1801078047|} OutVars{~#m_busy~0.base=|~#m_busy~0.base_Out-1801078047|, ~#m_inode~0.offset=|~#m_inode~0.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out-1801078047|, #NULL.offset=|#NULL.offset_Out-1801078047|, ULTIMATE.start_main_#t~nondet6=|ULTIMATE.start_main_#t~nondet6_Out-1801078047|, ~inode~0=~inode~0_Out-1801078047, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1801078047, ~busy~0=~busy~0_Out-1801078047, #length=|#length_Out-1801078047|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out-1801078047|, #pthreadsMutex=|#pthreadsMutex_Out-1801078047|, ~#m_busy~0.offset=|~#m_busy~0.offset_Out-1801078047|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out-1801078047|, ~#m_inode~0.base=|~#m_inode~0.base_Out-1801078047|, #NULL.base=|#NULL.base_Out-1801078047|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1801078047|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out-1801078047|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1801078047|, ~block~0=~block~0_Out-1801078047, #StackHeapBarrier=|#StackHeapBarrier_In-1801078047|, ULTIMATE.start_main_#t~mem7=|ULTIMATE.start_main_#t~mem7_Out-1801078047|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1801078047|, #valid=|#valid_Out-1801078047|, #memory_int=|#memory_int_Out-1801078047|, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out-1801078047|} AuxVars[] AssignedVars[#pthreadsMutex, ~#m_busy~0.offset, ~#m_busy~0.base, ~#m_inode~0.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ~#m_inode~0.base, #NULL.base, ~inode~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem8, ~block~0, ULTIMATE.start_assume_abort_if_not_~cond, ~busy~0, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset] {2977#true} is VALID [2020-07-28 20:18:44,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {2977#true} [216] L709-1-->allocatorENTRY: Formula: (and (= |v_allocatorThread1of1ForFork0_#in~_.base_3| 0) (= 0 v_allocatorThread1of1ForFork0_thidvar0_2) (= 0 |v_allocatorThread1of1ForFork0_#in~_.offset_3|)) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_4|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_4|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_3, allocatorThread1of1ForFork0_#res.offset=|v_allocatorThread1of1ForFork0_#res.offset_3|, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_3, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_3|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_3|, allocatorThread1of1ForFork0_#res.base=|v_allocatorThread1of1ForFork0_#res.base_3|, allocatorThread1of1ForFork0_thidvar0=v_allocatorThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, allocatorThread1of1ForFork0_#t~nondet3, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_#res.offset, allocatorThread1of1ForFork0_~_.offset, allocatorThread1of1ForFork0_#in~_.base, allocatorThread1of1ForFork0_#in~_.offset, allocatorThread1of1ForFork0_#res.base, allocatorThread1of1ForFork0_thidvar0] {2977#true} is VALID [2020-07-28 20:18:44,789 INFO L280 TraceCheckUtils]: 2: Hoare triple {2977#true} [247] L709-2-->L710-1: Formula: (= (store |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_25| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_24|) InVars {#memory_int=|v_#memory_int_25|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_24|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, #memory_int] {2977#true} is VALID [2020-07-28 20:18:44,789 INFO L280 TraceCheckUtils]: 3: Hoare triple {2977#true} [218] L710-1-->de_allocatorENTRY: Formula: (and (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.base_3|) (= 0 |v_de_allocatorThread1of1ForFork1_#in~_.offset_3|) (= v_de_allocatorThread1of1ForFork1_thidvar0_2 1)) InVars {} OutVars{de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_3, de_allocatorThread1of1ForFork1_thidvar0=v_de_allocatorThread1of1ForFork1_thidvar0_2, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_3, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_4|, de_allocatorThread1of1ForFork1_#res.base=|v_de_allocatorThread1of1ForFork1_#res.base_3|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_3|, de_allocatorThread1of1ForFork1_#res.offset=|v_de_allocatorThread1of1ForFork1_#res.offset_3|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_3|} AuxVars[] AssignedVars[de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_thidvar0, de_allocatorThread1of1ForFork1_~_.base, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_#res.base, de_allocatorThread1of1ForFork1_#in~_.base, de_allocatorThread1of1ForFork1_#res.offset, de_allocatorThread1of1ForFork1_#in~_.offset] {2977#true} is VALID [2020-07-28 20:18:44,790 INFO L280 TraceCheckUtils]: 4: Hoare triple {2977#true} [269] allocatorENTRY-->L684: Formula: (let ((.cse0 (select |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42|))) (and (= |v_allocatorThread1of1ForFork0_#in~_.offset_13| v_allocatorThread1of1ForFork0_~_.offset_13) (= (select .cse0 |v_~#m_inode~0.offset_42|) 0) (= (store |v_#pthreadsMutex_162| |v_~#m_inode~0.base_42| (store .cse0 |v_~#m_inode~0.offset_42| 1)) |v_#pthreadsMutex_161|) (= v_allocatorThread1of1ForFork0_~_.base_13 |v_allocatorThread1of1ForFork0_#in~_.base_13|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} OutVars{allocatorThread1of1ForFork0_#t~nondet2=|v_allocatorThread1of1ForFork0_#t~nondet2_16|, #pthreadsMutex=|v_#pthreadsMutex_161|, ~#m_inode~0.offset=|v_~#m_inode~0.offset_42|, allocatorThread1of1ForFork0_~_.base=v_allocatorThread1of1ForFork0_~_.base_13, allocatorThread1of1ForFork0_~_.offset=v_allocatorThread1of1ForFork0_~_.offset_13, allocatorThread1of1ForFork0_#in~_.base=|v_allocatorThread1of1ForFork0_#in~_.base_13|, allocatorThread1of1ForFork0_#in~_.offset=|v_allocatorThread1of1ForFork0_#in~_.offset_13|, ~#m_inode~0.base=|v_~#m_inode~0.base_42|} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet2, #pthreadsMutex, allocatorThread1of1ForFork0_~_.base, allocatorThread1of1ForFork0_~_.offset] {2977#true} is VALID [2020-07-28 20:18:44,790 INFO L280 TraceCheckUtils]: 5: Hoare triple {2977#true} [244] L684-->L685-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19|))) (and (= 0 v_~inode~0_9) (= 0 (select .cse0 |v_~#m_busy~0.offset_19|)) (= 0 |v_allocatorThread1of1ForFork0_#t~nondet3_5|) (= |v_#pthreadsMutex_29| (store |v_#pthreadsMutex_30| |v_~#m_busy~0.base_19| (store .cse0 |v_~#m_busy~0.offset_19| 1))))) InVars {~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_30|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} OutVars{~inode~0=v_~inode~0_9, #pthreadsMutex=|v_#pthreadsMutex_29|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_19|, allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_5|, ~#m_busy~0.base=|v_~#m_busy~0.base_19|} AuxVars[] AssignedVars[#pthreadsMutex, allocatorThread1of1ForFork0_#t~nondet3] {2977#true} is VALID [2020-07-28 20:18:44,792 INFO L280 TraceCheckUtils]: 6: Hoare triple {2977#true} [254] L685-1-->L687: Formula: (= 1 v_~busy~0_21) InVars {} OutVars{allocatorThread1of1ForFork0_#t~nondet3=|v_allocatorThread1of1ForFork0_#t~nondet3_6|, ~busy~0=v_~busy~0_21} AuxVars[] AssignedVars[allocatorThread1of1ForFork0_#t~nondet3, ~busy~0] {2979#(= 1 ~busy~0)} is VALID [2020-07-28 20:18:44,793 INFO L280 TraceCheckUtils]: 7: Hoare triple {2979#(= 1 ~busy~0)} [198] L687-->L688: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2| (store (select |v_#pthreadsMutex_6| |v_~#m_busy~0.base_2|) |v_~#m_busy~0.offset_2| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_6|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_5|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_2|, ~#m_busy~0.base=|v_~#m_busy~0.base_2|} AuxVars[] AssignedVars[#pthreadsMutex] {2979#(= 1 ~busy~0)} is VALID [2020-07-28 20:18:44,794 INFO L280 TraceCheckUtils]: 8: Hoare triple {2979#(= 1 ~busy~0)} [276] de_allocatorENTRY-->L698: Formula: (let ((.cse0 (select |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85|))) (and (= 0 (select .cse0 |v_~#m_busy~0.offset_85|)) (= |v_de_allocatorThread1of1ForFork1_#in~_.base_4| v_de_allocatorThread1of1ForFork1_~_.base_4) (= (store |v_#pthreadsMutex_218| |v_~#m_busy~0.base_85| (store .cse0 |v_~#m_busy~0.offset_85| 1)) |v_#pthreadsMutex_217|) (= v_de_allocatorThread1of1ForFork1_~_.offset_4 |v_de_allocatorThread1of1ForFork1_#in~_.offset_4|) (= 0 v_~busy~0_61))) InVars {#pthreadsMutex=|v_#pthreadsMutex_218|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_217|, ~#m_busy~0.offset=|v_~#m_busy~0.offset_85|, de_allocatorThread1of1ForFork1_~_.offset=v_de_allocatorThread1of1ForFork1_~_.offset_4, ~busy~0=v_~busy~0_61, ~#m_busy~0.base=|v_~#m_busy~0.base_85|, de_allocatorThread1of1ForFork1_#t~nondet4=|v_de_allocatorThread1of1ForFork1_#t~nondet4_30|, de_allocatorThread1of1ForFork1_~_.base=v_de_allocatorThread1of1ForFork1_~_.base_4, de_allocatorThread1of1ForFork1_#in~_.base=|v_de_allocatorThread1of1ForFork1_#in~_.base_4|, de_allocatorThread1of1ForFork1_#in~_.offset=|v_de_allocatorThread1of1ForFork1_#in~_.offset_4|} AuxVars[] AssignedVars[#pthreadsMutex, de_allocatorThread1of1ForFork1_~_.offset, de_allocatorThread1of1ForFork1_#t~nondet4, de_allocatorThread1of1ForFork1_~_.base] {2978#false} is VALID [2020-07-28 20:18:44,794 INFO L280 TraceCheckUtils]: 9: Hoare triple {2978#false} [233] L688-->L691: Formula: (and (= 1 v_~inode~0_7) (= 1 v_~block~0_9)) InVars {} OutVars{~inode~0=v_~inode~0_7, ~block~0=v_~block~0_9} AuxVars[] AssignedVars[~inode~0, ~block~0] {2978#false} is VALID [2020-07-28 20:18:44,795 INFO L280 TraceCheckUtils]: 10: Hoare triple {2978#false} [272] L698-->L697-1: Formula: (= 0 ~block~0_Out2121175483) InVars {} OutVars{~block~0=~block~0_Out2121175483} AuxVars[] AssignedVars[~block~0] {2978#false} is VALID [2020-07-28 20:18:44,795 INFO L280 TraceCheckUtils]: 11: Hoare triple {2978#false} [239] L691-->allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~block~0_17)) InVars {~block~0=v_~block~0_17} OutVars{~block~0=v_~block~0_17} AuxVars[] AssignedVars[] {2978#false} is VALID [2020-07-28 20:18:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:18:44,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587068793] [2020-07-28 20:18:44,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:18:44,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:18:44,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958263532] [2020-07-28 20:18:44,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 20:18:44,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:18:44,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:18:44,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:18:44,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:18:44,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:18:44,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:18:44,816 INFO L87 Difference]: Start difference. First operand 68 states and 111 transitions. Second operand 3 states. [2020-07-28 20:18:44,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,840 INFO L93 Difference]: Finished difference Result 26 states and 40 transitions. [2020-07-28 20:18:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:18:44,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 20:18:44,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:18:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-07-28 20:18:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:18:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-07-28 20:18:44,841 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 14 transitions. [2020-07-28 20:18:44,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:18:44,858 INFO L225 Difference]: With dead ends: 26 [2020-07-28 20:18:44,859 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 20:18:44,859 INFO L675 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 [2020-07-28 20:18:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 20:18:44,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 20:18:44,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:18:44,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 20:18:44,860 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:18:44,860 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:18:44,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,860 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:18:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:18:44,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,861 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:18:44,861 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:18:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:18:44,861 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:18:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:18:44,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:18:44,862 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:18:44,862 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:18:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 20:18:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 20:18:44,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-28 20:18:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:18:44,862 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 20:18:44,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:18:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:18:44,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:18:44,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 20:18:44,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 08:18:44 BasicIcfg [2020-07-28 20:18:44,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 20:18:44,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 20:18:44,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 20:18:44,869 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 20:18:44,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:18:38" (3/4) ... [2020-07-28 20:18:44,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 20:18:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2020-07-28 20:18:44,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2020-07-28 20:18:44,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-07-28 20:18:44,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 20:18:44,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 20:18:44,931 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 20:18:44,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 20:18:44,933 INFO L168 Benchmark]: Toolchain (without parser) took 7306.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:18:44,934 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:18:44,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:18:44,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:18:44,936 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:18:44,936 INFO L168 Benchmark]: RCFGBuilder took 569.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2020-07-28 20:18:44,937 INFO L168 Benchmark]: TraceAbstraction took 5895.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.4 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2020-07-28 20:18:44,938 INFO L168 Benchmark]: Witness Printer took 62.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2020-07-28 20:18:44,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 569.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5895.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.4 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.8s, 84 ProgramPointsBefore, 34 ProgramPointsAfterwards, 84 TransitionsBefore, 31 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 8 FixpointIterations, 40 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 403 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 40 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 0 MoverChecksTotal, 2737 CheckedPairsTotal, 66 TotalNumberOfCompositions - PositiveResult [Line: 691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 125 SDtfs, 90 SDslu, 89 SDs, 0 SdLazy, 45 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...