/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/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 06:07:29,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 06:07:29,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 06:07:29,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 06:07:29,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 06:07:29,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 06:07:29,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 06:07:29,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 06:07:29,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 06:07:29,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 06:07:29,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 06:07:29,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 06:07:29,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 06:07:29,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 06:07:29,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 06:07:29,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 06:07:29,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 06:07:29,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 06:07:29,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 06:07:29,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 06:07:29,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 06:07:29,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 06:07:29,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 06:07:29,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 06:07:29,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 06:07:29,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 06:07:29,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 06:07:29,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 06:07:29,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 06:07:29,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 06:07:29,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 06:07:29,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 06:07:29,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 06:07:29,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 06:07:29,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 06:07:29,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 06:07:29,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 06:07:29,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 06:07:29,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 06:07:29,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 06:07:29,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 06:07:29,161 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 [2020-12-18 06:07:29,220 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 06:07:29,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 06:07:29,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 06:07:29,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 06:07:29,226 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 06:07:29,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 06:07:29,227 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 06:07:29,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 06:07:29,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 06:07:29,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 06:07:29,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 06:07:29,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 06:07:29,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 06:07:29,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 06:07:29,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 06:07:29,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 06:07:29,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 06:07:29,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 06:07:29,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 06:07:29,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 06:07:29,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 06:07:29,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:07:29,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 06:07:29,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 06:07:29,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 06:07:29,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 06:07:29,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 06:07:29,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 06:07:29,233 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 06:07:29,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 06:07:29,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 06:07:29,233 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 06:07:29,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 06:07:29,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 06:07:29,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 06:07:29,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 06:07:29,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 06:07:29,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 06:07:29,752 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 06:07:29,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2020-12-18 06:07:29,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae290a98/65eb4c3ddc494fa684f298f5c71b90ec/FLAG4b4c9c965 [2020-12-18 06:07:30,612 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 06:07:30,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2020-12-18 06:07:30,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae290a98/65eb4c3ddc494fa684f298f5c71b90ec/FLAG4b4c9c965 [2020-12-18 06:07:30,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae290a98/65eb4c3ddc494fa684f298f5c71b90ec [2020-12-18 06:07:30,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 06:07:30,828 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 06:07:30,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 06:07:30,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 06:07:30,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 06:07:30,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:07:30" (1/1) ... [2020-12-18 06:07:30,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff385bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:30, skipping insertion in model container [2020-12-18 06:07:30,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:07:30" (1/1) ... [2020-12-18 06:07:30,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 06:07:30,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 06:07:31,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:07:31,294 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 06:07:31,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:07:31,451 INFO L208 MainTranslator]: Completed translation [2020-12-18 06:07:31,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31 WrapperNode [2020-12-18 06:07:31,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 06:07:31,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 06:07:31,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 06:07:31,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 06:07:31,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 06:07:31,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 06:07:31,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 06:07:31,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 06:07:31,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... [2020-12-18 06:07:31,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 06:07:31,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 06:07:31,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 06:07:31,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 06:07:31,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:07:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 06:07:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 06:07:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 06:07:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 06:07:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 06:07:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 06:07:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 06:07:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 06:07:31,654 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 06:07:32,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 06:07:32,498 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-18 06:07:32,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:07:32 BoogieIcfgContainer [2020-12-18 06:07:32,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 06:07:32,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 06:07:32,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 06:07:32,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 06:07:32,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:07:30" (1/3) ... [2020-12-18 06:07:32,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a715d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:07:32, skipping insertion in model container [2020-12-18 06:07:32,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:07:31" (2/3) ... [2020-12-18 06:07:32,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a715d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:07:32, skipping insertion in model container [2020-12-18 06:07:32,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:07:32" (3/3) ... [2020-12-18 06:07:32,511 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2020-12-18 06:07:32,528 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 06:07:32,528 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 06:07:32,532 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-18 06:07:32,533 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 06:07:32,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:07:32,582 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:07:32,596 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 06:07:32,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:07:32,622 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:07:32,622 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:07:32,622 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:07:32,622 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:07:32,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:07:32,623 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:07:32,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:07:32,886 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 243ms [2020-12-18 06:07:32,887 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 216 states, but on-demand construction may add more states [2020-12-18 06:07:32,893 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 216 states, 176 states have (on average 1.5340909090909092) internal successors, (270), 215 states have internal predecessors, (270), 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: 26 and size of Sequence is : 27[2020-12-18 06:07:32,913 INFO L131 SleepSetCegar]: Size of mCounterexample is: 27 [2020-12-18 06:07:32,914 INFO L132 SleepSetCegar]: [54#[ULTIMATE.startENTRY]don't care, 57#[L-1]don't care, 60#[L-1-1]don't care, 63#[L16]don't care, 66#[L16-1]don't care, 69#[L16-2]don't care, 72#[L16-3]don't care, 75#[L16-4]don't care, 78#[L689]don't care, 81#[L690]don't care, 84#[L691]don't care, 87#[L-1-2]don't care, 90#[L-1-3]don't care, 93#[L733]don't care, 96#[L733-1]don't care, 99#[L734]don't care, 102#[thr1ENTRY, L734-1]don't care, 105#[thr1ENTRY, L735]don't care, 111#[thr1ENTRY, L735-1]don't care, 117#[thr1ENTRY, L735-2]don't care, 123#[thr1ENTRY, L723]don't care, 131#[thr1ENTRY, L724]don't care, 137#[thr1ENTRY, L725-2]don't care, 143#[thr1ENTRY, L725-3]don't care, 151#[L726, thr1ENTRY]don't care, 157#[thr1ENTRY, L727]don't care, 163#[thr1ENTRY, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 06:07:32,915 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:07:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:07:32,924 INFO L82 PathProgramCache]: Analyzing trace with hash 457551334, now seen corresponding path program 1 times [2020-12-18 06:07:32,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:07:32,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800447684] [2020-12-18 06:07:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:07:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:07:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:07:33,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800447684] [2020-12-18 06:07:33,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:07:33,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 06:07:33,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422136050] [2020-12-18 06:07:33,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 06:07:33,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:07:33,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 06:07:33,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 06:07:33,151 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:07:33,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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: 26 and size of Sequence is : 27[2020-12-18 06:07:33,579 INFO L131 SleepSetCegar]: Size of mCounterexample is: 27 [2020-12-18 06:07:33,580 INFO L132 SleepSetCegar]: [906#[ULTIMATE.startENTRY]true, 908#[L-1]true, 910#[L-1-1]true, 912#[L16]true, 914#[L16-1]true, 916#[L16-2]true, 918#[L16-3]true, 920#[L16-4]true, 922#[L689]true, 924#[L690]true, 926#[L691]true, 928#[L-1-2]true, 930#[L-1-3]true, 932#[L733]true, 934#[L733-1]true, 936#[L734]true, 938#[thr1ENTRY, L734-1]true, 940#[thr1ENTRY, L735]true, 945#[thr1ENTRY, L735-1]true, 948#[thr1ENTRY, L735-2]true, 953#[thr1ENTRY, L723]true, 957#[thr1ENTRY, L724]true, 960#[thr1ENTRY, L725-2]true, 965#[thr1ENTRY, L725-3]true, 1229#[L726, thr1ENTRY]true, 1234#[thr1ENTRY, L727]true, 1238#[thr1ENTRY, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 06:07:33,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 06:07:33,580 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:07:33,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:07:33,581 INFO L82 PathProgramCache]: Analyzing trace with hash 457581125, now seen corresponding path program 1 times [2020-12-18 06:07:33,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:07:33,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67177051] [2020-12-18 06:07:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:07:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:07:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:07:33,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67177051] [2020-12-18 06:07:33,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:07:33,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 06:07:33,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850902573] [2020-12-18 06:07:33,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 06:07:33,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:07:33,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 06:07:33,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 06:07:33,688 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:07:33,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2020-12-18 06:07:33,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 06:07:33,706 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@45df4a77 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) 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) [2020-12-18 06:07:33,714 INFO L168 Benchmark]: Toolchain (without parser) took 2883.39 ms. Allocated memory is still 306.2 MB. Free memory was 280.7 MB in the beginning and 148.2 MB in the end (delta: 132.5 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.0 GB. [2020-12-18 06:07:33,717 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:07:33,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.98 ms. Allocated memory is still 306.2 MB. Free memory was 280.5 MB in the beginning and 251.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 06:07:33,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 306.2 MB. Free memory was 251.1 MB in the beginning and 249.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:07:33,722 INFO L168 Benchmark]: Boogie Preprocessor took 36.53 ms. Allocated memory is still 306.2 MB. Free memory was 249.0 MB in the beginning and 247.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:07:33,723 INFO L168 Benchmark]: RCFGBuilder took 955.75 ms. Allocated memory is still 306.2 MB. Free memory was 247.4 MB in the beginning and 241.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.0 GB. [2020-12-18 06:07:33,726 INFO L168 Benchmark]: TraceAbstraction took 1206.56 ms. Allocated memory is still 306.2 MB. Free memory was 241.5 MB in the beginning and 148.2 MB in the end (delta: 93.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 16.0 GB. [2020-12-18 06:07:33,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 622.98 ms. Allocated memory is still 306.2 MB. Free memory was 280.5 MB in the beginning and 251.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 306.2 MB. Free memory was 251.1 MB in the beginning and 249.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.53 ms. Allocated memory is still 306.2 MB. Free memory was 249.0 MB in the beginning and 247.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 955.75 ms. Allocated memory is still 306.2 MB. Free memory was 247.4 MB in the beginning and 241.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1206.56 ms. Allocated memory is still 306.2 MB. Free memory was 241.5 MB in the beginning and 148.2 MB in the end (delta: 93.3 MB). Peak memory consumption was 92.3 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@45df4a77 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@45df4a77: 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...