/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-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:11:00,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:11:00,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:11:00,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:11:00,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:11:00,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:11:00,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:11:00,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:11:00,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:11:00,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:11:00,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:11:00,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:11:00,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:11:00,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:11:00,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:11:00,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:11:00,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:11:00,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:11:00,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:11:00,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:11:00,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:11:00,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:11:00,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:11:00,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:11:00,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-27 03:11:00,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-27 03:11:00,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-27 03:11:00,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-27 03:11:00,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-27 03:11:00,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-27 03:11:00,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:11:00,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:11:00,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:11:00,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:11:00,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:11:00,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:11:00,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:11:00,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:11:00,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:11:00,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:11:00,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:11:00,342 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-New_States.epf [2021-01-27 03:11:00,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:11:00,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:11:00,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:11:00,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:11:00,376 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:11:00,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:11:00,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:11:00,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:11:00,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:11:00,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:11:00,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:11:00,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:11:00,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:11:00,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:11:00,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:11:00,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:11:00,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:11:00,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:11:00,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:11:00,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:11:00,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:11:00,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:11:00,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:11:00,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:11:00,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:11:00,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:11:00,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:11:00,383 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:11:00,384 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:11:00,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:11:00,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:11:00,385 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:11:00,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:11:00,385 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:11:00,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:11:00,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:11:00,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:11:00,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:11:00,795 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:11:00,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2021-01-27 03:11:00,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9814f53e2/874ca93631b749cd9fbc4f088b890615/FLAG4cc399968 [2021-01-27 03:11:01,651 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:11:01,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2021-01-27 03:11:01,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9814f53e2/874ca93631b749cd9fbc4f088b890615/FLAG4cc399968 [2021-01-27 03:11:01,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9814f53e2/874ca93631b749cd9fbc4f088b890615 [2021-01-27 03:11:01,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:11:01,947 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:11:01,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:01,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:11:01,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:11:01,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:01" (1/1) ... [2021-01-27 03:11:01,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649d728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:01, skipping insertion in model container [2021-01-27 03:11:01,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:01" (1/1) ... [2021-01-27 03:11:01,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:11:02,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:11:02,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:02,423 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:11:02,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:02,602 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:11:02,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02 WrapperNode [2021-01-27 03:11:02,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:02,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:02,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:11:02,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:11:02,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:02,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:11:02,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:11:02,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:11:02,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (1/1) ... [2021-01-27 03:11:02,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:11:02,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:11:02,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:11:02,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:11:02,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (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 [2021-01-27 03:11:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:11:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:11:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:11:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:11:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:11:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:11:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:11:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:11:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:11:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:11:02,822 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:11:03,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:11:03,441 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2021-01-27 03:11:03,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:03 BoogieIcfgContainer [2021-01-27 03:11:03,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:11:03,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:11:03,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:11:03,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:11:03,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:11:01" (1/3) ... [2021-01-27 03:11:03,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce79b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:03, skipping insertion in model container [2021-01-27 03:11:03,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:02" (2/3) ... [2021-01-27 03:11:03,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce79b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:03, skipping insertion in model container [2021-01-27 03:11:03,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:03" (3/3) ... [2021-01-27 03:11:03,457 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_05-lockfuns_racefree.i [2021-01-27 03:11:03,477 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:11:03,477 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:11:03,481 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:11:03,483 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:11:03,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,531 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,531 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,545 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:03,561 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:11:03,577 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:11:03,621 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:11:03,621 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:11:03,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:11:03,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:11:03,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:11:03,621 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:11:03,622 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:11:03,622 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 48 and size of Sequence is : 49[2021-01-27 03:11:03,682 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 03:11:03,684 INFO L165 SleepSetCegar]: [95#[ULTIMATE.startENTRY]don't care, 98#[L-1]don't care, 101#[L-1-1]don't care, 104#[L683]don't care, 107#[L683-1]don't care, 110#[L683-2]don't care, 113#[L683-3]don't care, 116#[L683-4]don't care, 119#[L689]don't care, 122#[L689-1]don't care, 125#[L689-2]don't care, 128#[L689-3]don't care, 131#[L689-4]don't care, 134#[L689-5]don't care, 137#[L691]don't care, 140#[L691-1]don't care, 143#[L691-2]don't care, 146#[L691-3]don't care, 149#[L691-4]don't care, 152#[L691-5]don't care, 155#[L691-6]don't care, 158#[L-1-2]don't care, 161#[L705]don't care, 164#[L705-1]don't care, 167#[L705-10]don't care, 170#[L705-11]don't care, 177#[L693]don't care, 180#[L693-1]don't care, 183#[L707-4]don't care, 186#[L707]don't care, 192#[L707-1]don't care, 195#[L707-2]don't care, 198#[L684]don't care, 201#[L684-1]don't care, 206#[L684-2]don't care, 210#[L683-5]don't care, 213#[L683-9]don't care, 204#[L684-4]don't care, 220#[L707-3]don't care, 183#[L707-4]don't care, 186#[L707]don't care, 192#[L707-1]don't care, 195#[L707-2]don't care, 198#[L684]don't care, 201#[L684-1]don't care, 206#[L684-2]don't care, 210#[L683-5]don't care, 215#[L683-7]don't care, 276#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:11:03,684 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:03,690 INFO L82 PathProgramCache]: Analyzing trace with hash -988621562, now seen corresponding path program 1 times [2021-01-27 03:11:03,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:03,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770434130] [2021-01-27 03:11:03,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-27 03:11:03,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770434130] [2021-01-27 03:11:03,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:03,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:11:03,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718621227] [2021-01-27 03:11:03,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:11:03,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:03,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:11:03,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:11:03,962 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:03,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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: 37 and size of Sequence is : 38[2021-01-27 03:11:03,984 INFO L164 SleepSetCegar]: Size of mCounterexample is: 38 [2021-01-27 03:11:03,986 INFO L165 SleepSetCegar]: [280#[ULTIMATE.startENTRY]true, 282#[L-1]true, 284#[L-1-1]true, 286#[L683]true, 288#[L683-1]true, 290#[L683-2]true, 292#[L683-3]true, 294#[L683-4]true, 296#[L689]true, 298#[L689-1]true, 300#[L689-2]true, 302#[L689-3]true, 304#[L689-4]true, 306#[L689-5]true, 308#[L691]true, 310#[L691-1]true, 312#[L691-2]true, 314#[L691-3]true, 316#[L691-4]true, 318#[L691-5]true, 320#[L691-6]true, 322#[L-1-2]true, 324#[L705]true, 326#[L705-1]true, 328#[L705-10]true, 330#[L705-11]true, 336#[L693]true, 338#[L693-1]true, 340#[L707-4]true, 342#[L707]true, 346#[L707-1]true, 348#[L707-2]true, 350#[L684]true, 352#[L684-1]true, 355#[L684-2]true, 358#[L683-5]true, 361#[L683-7]true, 365#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:11:03,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:11:03,986 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:03,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:03,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1522645062, now seen corresponding path program 1 times [2021-01-27 03:11:03,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:03,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898168774] [2021-01-27 03:11:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:04,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898168774] [2021-01-27 03:11:04,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:04,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:11:04,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369709737] [2021-01-27 03:11:04,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:11:04,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:04,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:11:04,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:11:04,177 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:04,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-01-27 03:11:04,207 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 67 and size of Sequence is : 68[2021-01-27 03:11:04,256 INFO L164 SleepSetCegar]: Size of mCounterexample is: 68 [2021-01-27 03:11:04,257 INFO L165 SleepSetCegar]: [371#[ULTIMATE.startENTRY]true, 374#[L-1]true, 377#[L-1-1]true, 380#[L683]true, 383#[L683-1]true, 386#[L683-2]true, 389#[L683-3]true, 392#[L683-4]true, 395#[L689]true, 398#[L689-1]true, 401#[L689-2]true, 404#[L689-3]true, 407#[L689-4]true, 410#[L689-5]true, 413#[L691]true, 416#[L691-1]true, 419#[L691-2]true, 422#[L691-3]true, 425#[L691-4]true, 428#[L691-5]true, 431#[L691-6]true, 434#[L-1-2]true, 437#[L705]true, 440#[L705-1]true, 443#[L705-10](= ULTIMATE.start_main_~i~0 0), 448#[L705-4](= ULTIMATE.start_main_~i~0 0), 458#[L705-5](= ULTIMATE.start_main_~i~0 0), 464#[L705-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 473#[L705-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 487#[L705-8, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 499#[L699, L705-8](= ULTIMATE.start_main_~i~0 0), 509#[L693, L705-8](= ULTIMATE.start_main_~i~0 0), 523#[L693-1, L705-8](= ULTIMATE.start_main_~i~0 0), 535#[L700-16, L705-8](= ULTIMATE.start_main_~i~0 0), 550#[L700-6, L705-8](= ULTIMATE.start_main_~i~0 0), 570#[L700, L705-8](= ULTIMATE.start_main_~i~0 0), 581#[L705-8, L700-1](= ULTIMATE.start_main_~i~0 0), 595#[L700-2, L705-8](= ULTIMATE.start_main_~i~0 0), 605#[L700-3, L705-8](= ULTIMATE.start_main_~i~0 0), 619#[L700-4, L705-8](= ULTIMATE.start_main_~i~0 0), 629#[L700-5, L705-8](= ULTIMATE.start_main_~i~0 0), 644#[L700-14, L705-8](= ULTIMATE.start_main_~i~0 0), 662#[L700-8, L705-8](= ULTIMATE.start_main_~i~0 0), 675#[L705-8, L700-9](= ULTIMATE.start_main_~i~0 0), 685#[L700-10, L705-8](= ULTIMATE.start_main_~i~0 0), 699#[L705-8, L700-11](= ULTIMATE.start_main_~i~0 0), 709#[L700-12, L705-8](= ULTIMATE.start_main_~i~0 0), 723#[L705-8, L700-13](= ULTIMATE.start_main_~i~0 0), 733#[L700-15, L705-8](= ULTIMATE.start_main_~i~0 0), 743#[L705-8, L700-17](= ULTIMATE.start_main_~i~0 0), 758#[L695, L705-8](= ULTIMATE.start_main_~i~0 0), 772#[t_funFINAL, L705-8](= ULTIMATE.start_main_~i~0 0), 784#[t_funEXIT, L705-8](= ULTIMATE.start_main_~i~0 0), 791#[t_funEXIT, L705-9]true, 797#[t_funEXIT, L705-10]true, 807#[L705-11, t_funEXIT]true, 818#[t_funEXIT, L693]true, 824#[t_funEXIT, L693-1]true, 830#[t_funEXIT, L707-4]true, 839#[L707, t_funEXIT]true, 848#[L707-1, t_funEXIT]true, 854#[t_funEXIT, L707-2]true, 860#[t_funEXIT, L684]true, 866#[t_funEXIT, L684-1]true, 877#[t_funEXIT, L684-2]true, 884#[t_funEXIT, L683-5]true, 895#[t_funEXIT, L683-7]true, 907#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-27 03:11:04,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:11:04,258 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:04,259 INFO L82 PathProgramCache]: Analyzing trace with hash -887368892, now seen corresponding path program 1 times [2021-01-27 03:11:04,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:04,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480932997] [2021-01-27 03:11:04,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:04,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480932997] [2021-01-27 03:11:04,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366780681] [2021-01-27 03:11:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-27 03:11:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:04,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:11:04,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:11:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:04,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:11:04,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:11:04,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250075518] [2021-01-27 03:11:04,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:11:04,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:04,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:11:04,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:11:04,622 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:04,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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: 57 and size of Sequence is : 58[2021-01-27 03:11:04,700 INFO L164 SleepSetCegar]: Size of mCounterexample is: 58 [2021-01-27 03:11:04,701 INFO L165 SleepSetCegar]: [1115#[ULTIMATE.startENTRY]true, 1118#[L-1]true, 1121#[L-1-1]true, 1124#[L683]true, 1127#[L683-1]true, 1130#[L683-2]true, 1133#[L683-3]true, 1136#[L683-4]true, 1139#[L689]true, 1142#[L689-1]true, 1145#[L689-2]true, 1148#[L689-3]true, 1151#[L689-4]true, 1154#[L689-5]true, 1157#[L691]true, 1160#[L691-1]true, 1163#[L691-2]true, 1166#[L691-3]true, 1169#[L691-4]true, 1172#[L691-5]true, 1175#[L691-6]true, 1178#[L-1-2]true, 1181#[L705]true, 1184#[L705-1]true, 1187#[L705-10](= ULTIMATE.start_main_~i~0 0), 1192#[L705-4](= ULTIMATE.start_main_~i~0 0), 1199#[L705-5](= ULTIMATE.start_main_~i~0 0), 1202#[L705-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 1205#[L705-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 1215#[L705-8, t_funENTRY](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1223#[L699, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1227#[L693, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1235#[L693-1, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1241#[L700-16, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1247#[L700-6, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1258#[L700, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1263#[L705-8, L700-1](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1271#[L700-2, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1275#[L700-3, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1283#[L700-4, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1287#[L700-5, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1297#[L700-14, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1306#[L700-8, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1313#[L705-8, L700-9](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1317#[L700-10, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1325#[L705-8, L700-11](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1329#[L700-12, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1337#[L705-8, L700-13](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1343#[L700-15, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1348#[L705-8, L700-17](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1357#[L695, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1365#[t_funFINAL, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1371#[t_funEXIT, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1375#[t_funEXIT, L705-9](and (<= ULTIMATE.start_main_~i~0 1) (= |ULTIMATE.start_main_#t~post10| 0)), 1378#[t_funEXIT, L705-10](<= ULTIMATE.start_main_~i~0 1), 1383#[t_funEXIT, L705-4](<= ULTIMATE.start_main_~i~0 1), 1393#[L705-5, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1401#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~0 1)] [2021-01-27 03:11:04,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:11:04,903 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:04,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash 468093218, now seen corresponding path program 1 times [2021-01-27 03:11:04,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:04,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911928351] [2021-01-27 03:11:04,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:04,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:04,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:05,020 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:11:05,021 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:11:05,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:11:05,022 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:11:05,022 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:11:05,028 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@514912b7 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-27 03:11:05,038 INFO L168 Benchmark]: Toolchain (without parser) took 3101.30 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 150.3 MB in the end (delta: 125.6 MB). Peak memory consumption was 127.9 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:05,039 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:11:05,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.04 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 274.0 MB in the end (delta: 965.7 kB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:05,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.34 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 271.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:05,044 INFO L168 Benchmark]: Boogie Preprocessor took 32.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 270.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:11:05,045 INFO L168 Benchmark]: RCFGBuilder took 712.99 ms. Allocated memory is still 302.0 MB. Free memory was 270.9 MB in the beginning and 244.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:05,047 INFO L168 Benchmark]: TraceAbstraction took 1587.99 ms. Allocated memory is still 302.0 MB. Free memory was 244.7 MB in the beginning and 150.3 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:05,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 657.04 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 274.0 MB in the end (delta: 965.7 kB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 90.34 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 271.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 270.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 712.99 ms. Allocated memory is still 302.0 MB. Free memory was 270.9 MB in the beginning and 244.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1587.99 ms. Allocated memory is still 302.0 MB. Free memory was 244.7 MB in the beginning and 150.3 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@514912b7 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@514912b7: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...