/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:24:01,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:24:01,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:24:01,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:24:01,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:24:01,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:24:01,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:24:01,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:24:01,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:24:01,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:24:01,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:24:01,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:24:01,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:24:01,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:24:01,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:24:01,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:24:01,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:24:01,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:24:01,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:24:01,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:24:01,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:24:01,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:24:01,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:24:01,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:24:01,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:24:01,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:24:01,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:24:01,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:24:01,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:24:01,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:24:01,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:24:01,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:24:01,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:24:01,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:24:01,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:24:01,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:24:01,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 08:24:01,379 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:24:01,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:24:01,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:24:01,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:24:01,380 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:24:01,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:24:01,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:24:01,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:24:01,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:24:01,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:24:01,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:24:01,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:24:01,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:24:01,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:24:01,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:24:01,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:24:01,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:24:01,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:24:01,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:24:01,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:24:01,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:24:01,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:24:01,385 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 08:24:01,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:24:01,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:24:01,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:24:01,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:24:01,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:24:01,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:24:01,670 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:24:01,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2019-12-27 08:24:01,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be93eb63/5c5522a869a04526ab838d0c4ecd84da/FLAGf7a1417bd [2019-12-27 08:24:02,271 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:24:02,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2019-12-27 08:24:02,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be93eb63/5c5522a869a04526ab838d0c4ecd84da/FLAGf7a1417bd [2019-12-27 08:24:02,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be93eb63/5c5522a869a04526ab838d0c4ecd84da [2019-12-27 08:24:02,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:24:02,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:24:02,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:24:02,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:24:02,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:24:02,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:24:02" (1/1) ... [2019-12-27 08:24:02,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46075e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:02, skipping insertion in model container [2019-12-27 08:24:02,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:24:02" (1/1) ... [2019-12-27 08:24:02,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:24:02,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:24:02,863 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 08:24:03,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:24:03,185 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:24:03,208 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 08:24:03,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:24:03,368 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:24:03,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03 WrapperNode [2019-12-27 08:24:03,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:24:03,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:24:03,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:24:03,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:24:03,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:24:03,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:24:03,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:24:03,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:24:03,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (1/1) ... [2019-12-27 08:24:03,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:24:03,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:24:03,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:24:03,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:24:03,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (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 [2019-12-27 08:24:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 08:24:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:24:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 08:24:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:24:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:24:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 08:24:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-12-27 08:24:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-12-27 08:24:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:24:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:24:03,584 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:24:03,911 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:24:03,911 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 08:24:03,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:24:03 BoogieIcfgContainer [2019-12-27 08:24:03,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:24:03,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:24:03,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:24:03,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:24:03,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:24:02" (1/3) ... [2019-12-27 08:24:03,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b292a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:24:03, skipping insertion in model container [2019-12-27 08:24:03,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:24:03" (2/3) ... [2019-12-27 08:24:03,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b292a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:24:03, skipping insertion in model container [2019-12-27 08:24:03,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:24:03" (3/3) ... [2019-12-27 08:24:03,922 INFO L109 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2019-12-27 08:24:03,932 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:24:03,933 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:24:03,940 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:24:03,941 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:24:03,967 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,968 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,968 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,968 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,969 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,969 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,970 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,970 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,971 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,971 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,975 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,976 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,976 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,976 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,976 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,977 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:24:03,997 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 08:24:04,016 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:24:04,016 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:24:04,016 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:24:04,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:24:04,017 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:24:04,017 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:24:04,017 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:24:04,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:24:04,032 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 55 transitions [2019-12-27 08:24:04,034 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions [2019-12-27 08:24:04,079 INFO L132 PetriNetUnfolder]: 3/54 cut-off events. [2019-12-27 08:24:04,079 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 08:24:04,084 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 54 events. 3/54 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 0/50 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-27 08:24:04,087 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions [2019-12-27 08:24:04,107 INFO L132 PetriNetUnfolder]: 3/54 cut-off events. [2019-12-27 08:24:04,108 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 08:24:04,109 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 54 events. 3/54 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 0/50 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-27 08:24:04,110 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 260 [2019-12-27 08:24:04,111 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 08:24:05,851 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-12-27 08:24:06,039 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-27 08:24:06,042 INFO L206 etLargeBlockEncoding]: Checked pairs total: 212 [2019-12-27 08:24:06,042 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 08:24:06,046 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-27 08:24:06,055 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13 states. [2019-12-27 08:24:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-12-27 08:24:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 08:24:06,064 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:24:06,066 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 08:24:06,067 INFO L410 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:24:06,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:24:06,076 INFO L82 PathProgramCache]: Analyzing trace with hash 215854, now seen corresponding path program 1 times [2019-12-27 08:24:06,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:24:06,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124363430] [2019-12-27 08:24:06,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:24:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:24:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:24:06,296 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:24:06,297 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:24:06,302 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [189] [189] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse3 (store |v_#valid_41| 0 0))) (let ((.cse4 (store .cse3 |v_~#lock~0.base_34| 1))) (let ((.cse2 (store .cse4 |v_~#cond~0.base_21| 1)) (.cse0 (select |v_#memory_int_41| |v_~#lock~0.base_34|)) (.cse1 (select |v_#memory_int_41| |v_~#cond~0.base_21|))) (and (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 12))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 16))) (= (store |v_#pthreadsMutex_43| |v_~#lock~0.base_34| (store (select |v_#pthreadsMutex_43| |v_~#lock~0.base_34|) |v_~#lock~0.offset_34| 0)) |v_#pthreadsMutex_42|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 24))) (= |v_ULTIMATE.start_main_~#t~0.offset_18| 0) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#t~0.base_20|)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 8))) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 12))) (= (store |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20| (store (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20|) |v_ULTIMATE.start_main_~#t~0.offset_18| 0)) |v_#memory_int_40|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 4))) (= (select .cse0 |v_~#lock~0.offset_34|) 0) (= |v_#length_28| (store (store (store |v_#length_30| |v_~#lock~0.base_34| 24) |v_~#cond~0.base_21| 48) |v_ULTIMATE.start_main_~#t~0.base_20| 4)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 16))) (= (select .cse3 |v_~#lock~0.base_34|) 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_~#cond~0.offset_21|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 20))) (= |v_#valid_39| (store .cse2 |v_ULTIMATE.start_main_~#t~0.base_20| 1)) (= 0 (select .cse4 |v_~#cond~0.base_21|)) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t~0.base_20|) (< |v_#StackHeapBarrier_15| |v_~#lock~0.base_34|) (= |v_#NULL.offset_5| 0) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 4))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 8))) (< |v_#StackHeapBarrier_15| |v_~#cond~0.base_21|) (= v_~x~0_19 0) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 28))) (= 0 |v_~#lock~0.offset_34|) (= (select .cse1 |v_~#cond~0.offset_21|) 0) (= 0 |v_#NULL.base_5|))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_43|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_41|, #length=|v_#length_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_42|, ~#lock~0.base=|v_~#lock~0.base_34|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_8|, ~#cond~0.offset=|v_~#cond~0.offset_21|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_19, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_18|, ULTIMATE.start_main_#t~post6=|v_ULTIMATE.start_main_#t~post6_15|, #NULL.base=|v_#NULL.base_5|, ~#cond~0.base=|v_~#cond~0.base_21|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_40|, ~#lock~0.offset=|v_~#lock~0.offset_34|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_20|, #length=|v_#length_28|, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[#pthreadsMutex, ~#lock~0.base, ULTIMATE.start_main_#t~nondet5, ~#cond~0.offset, #NULL.offset, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~#t~0.offset, ULTIMATE.start_main_#t~post6, #NULL.base, ~#cond~0.base, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, ~#lock~0.offset, ULTIMATE.start_main_~#t~0.base, #length, ~x~0] because there is no mapped edge [2019-12-27 08:24:06,304 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] threadENTRY-->threadErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (let ((.cse0 (select |v_#pthreadsMutex_39| |v_~#lock~0.base_32|))) (and (= v_threadThread1of1ForFork0_~arg.base_7 |v_threadThread1of1ForFork0_#in~arg.base_7|) (not (= v_~x~0_17 42)) (= (store |v_#pthreadsMutex_39| |v_~#lock~0.base_32| (store .cse0 |v_~#lock~0.offset_32| 1)) |v_#pthreadsMutex_38|) (= (select .cse0 |v_~#lock~0.offset_32|) 0) (= |v_threadThread1of1ForFork0_#in~arg.offset_7| v_threadThread1of1ForFork0_~arg.offset_7))) InVars {threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_39|, ~#lock~0.base=|v_~#lock~0.base_32|, ~#lock~0.offset=|v_~#lock~0.offset_32|, ~x~0=v_~x~0_17, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} OutVars{threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_38|, threadThread1of1ForFork0_~arg.base=v_threadThread1of1ForFork0_~arg.base_7, ~#lock~0.base=|v_~#lock~0.base_32|, threadThread1of1ForFork0_~arg.offset=v_threadThread1of1ForFork0_~arg.offset_7, threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_14|, ~#lock~0.offset=|v_~#lock~0.offset_32|, threadThread1of1ForFork0_#t~nondet3=|v_threadThread1of1ForFork0_#t~nondet3_11|, ~x~0=v_~x~0_17, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of1ForFork0_~arg.base, threadThread1of1ForFork0_~arg.offset, threadThread1of1ForFork0_#t~nondet4, threadThread1of1ForFork0_#t~nondet3] because there is no mapped edge [2019-12-27 08:24:06,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:24:06 BasicIcfg [2019-12-27 08:24:06,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:24:06,320 INFO L168 Benchmark]: Toolchain (without parser) took 3683.83 ms. Allocated memory was 139.5 MB in the beginning and 245.4 MB in the end (delta: 105.9 MB). Free memory was 102.6 MB in the beginning and 155.8 MB in the end (delta: -53.3 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,321 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.21 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 163.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.60 ms. Allocated memory is still 204.5 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,324 INFO L168 Benchmark]: Boogie Preprocessor took 59.24 ms. Allocated memory is still 204.5 MB. Free memory was 161.1 MB in the beginning and 159.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,325 INFO L168 Benchmark]: RCFGBuilder took 400.33 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 139.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,327 INFO L168 Benchmark]: TraceAbstraction took 2403.46 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 138.4 MB in the beginning and 155.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-12-27 08:24:06,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.21 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 163.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.60 ms. Allocated memory is still 204.5 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.24 ms. Allocated memory is still 204.5 MB. Free memory was 161.1 MB in the beginning and 159.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.33 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 139.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2403.46 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 138.4 MB in the beginning and 155.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.0s, 56 ProgramPointsBefore, 12 ProgramPointsAfterwards, 55 TransitionsBefore, 10 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 136 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 212 CheckedPairsTotal, 49 TotalNumberOfCompositions - CounterExampleResult [Line: 693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L701] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={3:0}, lock={5:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...