/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-21 16:31:03,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-21 16:31:03,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-21 16:31:03,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-21 16:31:03,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-21 16:31:03,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-21 16:31:03,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-21 16:31:03,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-21 16:31:03,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-21 16:31:03,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-21 16:31:03,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-21 16:31:03,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-21 16:31:03,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-21 16:31:03,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-21 16:31:03,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-21 16:31:03,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-21 16:31:03,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-21 16:31:03,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-21 16:31:03,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-21 16:31:03,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-21 16:31:03,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-21 16:31:03,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-21 16:31:03,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-21 16:31:03,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-21 16:31:03,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-21 16:31:03,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-21 16:31:03,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-21 16:31:03,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-21 16:31:03,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-21 16:31:03,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-21 16:31:03,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-21 16:31:03,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-21 16:31:03,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-21 16:31:03,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-21 16:31:03,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-21 16:31:03,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-21 16:31:03,292 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-Sleep-NoLbe-Delay.epf [2021-01-21 16:31:03,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-21 16:31:03,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-21 16:31:03,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-21 16:31:03,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-21 16:31:03,320 INFO L138 SettingsManager]: * Use SBE=true [2021-01-21 16:31:03,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-21 16:31:03,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-21 16:31:03,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-21 16:31:03,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-21 16:31:03,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-21 16:31:03,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-21 16:31:03,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-21 16:31:03,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-21 16:31:03,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-21 16:31:03,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-21 16:31:03,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-21 16:31:03,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-21 16:31:03,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-21 16:31:03,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-21 16:31:03,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-21 16:31:03,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-21 16:31:03,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-21 16:31:03,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-21 16:31:03,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-21 16:31:03,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-21 16:31:03,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-21 16:31:03,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-21 16:31:03,326 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-21 16:31:03,326 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-21 16:31:03,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-21 16:31:03,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-21 16:31:03,327 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-21 16:31:03,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-21 16:31:03,328 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-21 16:31:03,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-21 16:31:03,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-21 16:31:03,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-21 16:31:03,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-21 16:31:03,783 INFO L275 PluginConnector]: CDTParser initialized [2021-01-21 16:31:03,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-01-21 16:31:03,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c90ef0f/d2e64c0bf883490b85d35d23f14e92ac/FLAGe095a91c7 [2021-01-21 16:31:04,548 INFO L306 CDTParser]: Found 1 translation units. [2021-01-21 16:31:04,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-01-21 16:31:04,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c90ef0f/d2e64c0bf883490b85d35d23f14e92ac/FLAGe095a91c7 [2021-01-21 16:31:04,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c90ef0f/d2e64c0bf883490b85d35d23f14e92ac [2021-01-21 16:31:04,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-21 16:31:04,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-21 16:31:04,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-21 16:31:04,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-21 16:31:04,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-21 16:31:04,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:31:04" (1/1) ... [2021-01-21 16:31:04,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609ba4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:04, skipping insertion in model container [2021-01-21 16:31:04,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:31:04" (1/1) ... [2021-01-21 16:31:04,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-21 16:31:04,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-21 16:31:05,037 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-21 16:31:05,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:31:05,219 INFO L203 MainTranslator]: Completed pre-run [2021-01-21 16:31:05,234 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-21 16:31:05,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:31:05,384 INFO L208 MainTranslator]: Completed translation [2021-01-21 16:31:05,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05 WrapperNode [2021-01-21 16:31:05,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-21 16:31:05,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-21 16:31:05,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-21 16:31:05,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-21 16:31:05,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-21 16:31:05,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-21 16:31:05,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-21 16:31:05,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-21 16:31:05,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (1/1) ... [2021-01-21 16:31:05,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-21 16:31:05,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-21 16:31:05,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-21 16:31:05,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-21 16:31:05,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (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 [2021-01-21 16:31:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-21 16:31:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-21 16:31:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-21 16:31:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-21 16:31:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-21 16:31:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-21 16:31:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-01-21 16:31:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-01-21 16:31:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-21 16:31:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-21 16:31:05,586 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-21 16:31:06,124 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-21 16:31:06,124 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-21 16:31:06,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:31:06 BoogieIcfgContainer [2021-01-21 16:31:06,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-21 16:31:06,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-21 16:31:06,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-21 16:31:06,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-21 16:31:06,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 04:31:04" (1/3) ... [2021-01-21 16:31:06,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccdf7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:31:06, skipping insertion in model container [2021-01-21 16:31:06,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:31:05" (2/3) ... [2021-01-21 16:31:06,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccdf7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:31:06, skipping insertion in model container [2021-01-21 16:31:06,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:31:06" (3/3) ... [2021-01-21 16:31:06,140 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2021-01-21 16:31:06,157 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-21 16:31:06,157 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-21 16:31:06,161 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-21 16:31:06,162 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-21 16:31:06,207 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,208 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,208 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,208 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,209 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,209 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,209 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,209 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,209 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,210 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,210 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,210 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,211 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,211 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,212 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,212 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,212 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,212 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,213 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,214 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,215 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,215 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,216 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,216 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,216 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,223 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,223 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,223 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,224 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,224 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,225 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,225 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,226 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:31:06,242 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-21 16:31:06,260 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-21 16:31:06,301 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-21 16:31:06,302 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-21 16:31:06,303 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-21 16:31:06,303 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-21 16:31:06,303 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-21 16:31:06,303 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-21 16:31:06,303 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-21 16:31:06,303 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-21 16:31:06,359 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:31:06,364 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:31:06,376 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:31:06,380 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:31:06,387 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:31:06,391 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:31:06,399 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 71ms [2021-01-21 16:31:06,399 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 185 states, but on-demand construction may add more states [2021-01-21 16:31:06,402 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 185 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 184 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 46 and size of Sequence is : 47[2021-01-21 16:31:06,414 INFO L131 SleepSetCegar]: Size of mCounterexample is: 47 [2021-01-21 16:31:06,414 INFO L132 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L696]don't care, 82#[L696-1]don't care, 84#[L696-2]don't care, 86#[L696-3]don't care, 88#[L696-4]don't care, 90#[L696-5]don't care, 92#[L696-6]don't care, 94#[L696-7]don't care, 96#[L696-8]don't care, 98#[L696-9]don't care, 100#[L696-10]don't care, 102#[L697]don't care, 104#[L697-1]don't care, 106#[L697-2]don't care, 108#[L697-3]don't care, 110#[L697-4]don't care, 112#[L697-5]don't care, 114#[L698]don't care, 116#[L698-1]don't care, 118#[L698-2]don't care, 120#[L698-3]don't care, 122#[L698-4]don't care, 124#[L698-5]don't care, 126#[L698-6]don't care, 128#[L698-7]don't care, 130#[L698-8]don't care, 132#[L-1-2]don't care, 134#[L-1-3]don't care, 136#[L709]don't care, 138#[L709-1]don't care, 140#[L712]don't care, 142#[L712-1]don't care, 144#[L712-2, threadENTRY]don't care, 146#[L713, threadENTRY]don't care, 152#[L713, L702]don't care, 156#[L713, L702-1]don't care, 160#[L703, L713]don't care, 164#[L713, L703-1]don't care, 168#[L713, L703-2]don't care, 170#[L713, L704]don't care, 178#[L713, L704-1]don't care, 182#[L696, L713]don't care, 186#[L713, L696-2]don't care, 190#[L713, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-21 16:31:06,415 INFO L429 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:31:06,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:31:06,421 INFO L82 PathProgramCache]: Analyzing trace with hash -72181127, now seen corresponding path program 1 times [2021-01-21 16:31:06,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:31:06,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630045575] [2021-01-21 16:31:06,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:31:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:31:06,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:31:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:31:06,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:31:06,740 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-21 16:31:06,741 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-21 16:31:06,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-21 16:31:06,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 04:31:06 BasicIcfg [2021-01-21 16:31:06,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-21 16:31:06,789 INFO L168 Benchmark]: Toolchain (without parser) took 1997.85 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 237.3 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,790 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:31:06,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.22 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 247.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.39 ms. Allocated memory is still 302.0 MB. Free memory was 247.6 MB in the beginning and 245.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,794 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 244.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,795 INFO L168 Benchmark]: RCFGBuilder took 652.93 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 265.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,796 INFO L168 Benchmark]: TraceAbstraction took 655.08 ms. Allocated memory is still 302.0 MB. Free memory was 264.6 MB in the beginning and 237.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-21 16:31:06,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 588.22 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 247.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.39 ms. Allocated memory is still 302.0 MB. Free memory was 247.6 MB in the beginning and 245.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.51 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 244.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 652.93 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 265.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 655.08 ms. Allocated memory is still 302.0 MB. Free memory was 264.6 MB in the beginning and 237.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 696]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 pthread_mutex_t lock; VAL [lock={11:0}] [L698] 0 pthread_cond_t cond; VAL [cond={13:0}, lock={11:0}] [L699] 0 int x; VAL [cond={13:0}, lock={11:0}, x=0] [L709] 0 pthread_t t; VAL [cond={13:0}, lock={11:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [cond={13:0}, lock={11:0}, x=0] [L704] 1 !(x == 42) ? reach_error() : (void)0 VAL [cond={13:0}, lock={11:0}, x=0] [L696] COND FALSE 1 !(0) VAL [cond={13:0}, lock={11:0}, x=0] [L696] 1 __assert_fail ("0", "svc.h", 6, __extension__ __PRETTY_FUNCTION__) VAL [cond={13:0}, lock={11:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...