/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/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:57:03,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:57:03,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:57:03,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:57:03,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:57:03,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:57:03,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:57:03,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:57:03,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:57:03,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:57:03,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:57:03,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:57:03,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:57:03,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:57:03,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:57:03,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:57:03,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:57:03,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:57:03,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:57:03,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:57:03,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:57:03,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:57:03,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:57:03,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:57:03,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 09:57:03,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:57:03,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:57:03,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:57:03,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:57:03,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:57:03,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:57:03,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:57:03,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:57:03,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:57:03,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:57:03,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:57:03,369 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 09:57:03,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:57:03,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:57:03,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:57:03,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:57:03,426 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:57:03,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:57:03,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:57:03,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:57:03,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:57:03,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:57:03,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:57:03,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:57:03,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:57:03,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:57:03,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:57:03,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:57:03,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:57:03,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:57:03,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:57:03,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:57:03,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:57:03,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:57:03,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:57:03,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:57:03,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:57:03,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:57:03,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:57:03,432 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:57:03,432 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:57:03,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:57:03,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:57:03,433 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:57:03,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:57:03,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:57:03,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:57:03,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:57:03,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:57:03,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:57:03,910 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:57:03,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2020-12-18 09:57:03,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20963747a/562714d2ecc14b92b697162acbefdd7f/FLAG5998004cd [2020-12-18 09:57:04,622 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:57:04,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2020-12-18 09:57:04,623 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-12-18 09:57:04,624 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-12-18 09:57:04,624 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2020-12-18 09:57:04,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20963747a/562714d2ecc14b92b697162acbefdd7f/FLAG5998004cd [2020-12-18 09:57:04,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20963747a/562714d2ecc14b92b697162acbefdd7f [2020-12-18 09:57:05,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:57:05,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:57:05,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:57:05,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:57:05,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:57:05,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6323cecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05, skipping insertion in model container [2020-12-18 09:57:05,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:57:05,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:57:05,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:57:05,198 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:57:05,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:57:05,229 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:57:05,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05 WrapperNode [2020-12-18 09:57:05,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:57:05,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:57:05,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:57:05,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:57:05,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:57:05,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:57:05,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:57:05,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:57:05,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... [2020-12-18 09:57:05,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:57:05,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:57:05,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:57:05,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:57:05,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:57:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:57:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:57:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:57:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 09:57:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2020-12-18 09:57:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2020-12-18 09:57:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2020-12-18 09:57:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2020-12-18 09:57:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:57:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:57:05,372 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 09:57:05,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:57:05,746 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-18 09:57:05,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:57:05 BoogieIcfgContainer [2020-12-18 09:57:05,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:57:05,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:57:05,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:57:05,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:57:05,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:57:05" (1/3) ... [2020-12-18 09:57:05,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:57:05, skipping insertion in model container [2020-12-18 09:57:05,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:57:05" (2/3) ... [2020-12-18 09:57:05,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:57:05, skipping insertion in model container [2020-12-18 09:57:05,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:57:05" (3/3) ... [2020-12-18 09:57:05,758 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2020-12-18 09:57:05,774 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:57:05,774 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:57:05,777 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:57:05,778 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:57:05,814 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,814 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,814 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,815 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,815 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,815 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,816 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,816 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,816 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,817 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,817 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,817 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,818 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,818 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,818 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,818 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,819 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,819 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,819 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,819 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,820 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,820 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,820 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,821 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,821 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,821 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,821 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,822 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,822 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,822 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,823 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,823 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,823 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,823 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,824 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,824 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,824 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,824 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,825 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,825 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,825 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,825 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,826 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,826 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,828 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,829 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,829 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,829 WARN L313 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,829 WARN L313 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,834 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,834 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,835 WARN L313 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,835 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,835 WARN L313 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:57:05,845 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-18 09:57:05,860 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 09:57:05,930 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:57:05,930 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:57:05,930 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:57:05,930 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:57:05,930 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:57:05,930 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:57:05,931 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:57:05,931 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:57:06,129 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 179ms [2020-12-18 09:57:06,129 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 412 states, but on-demand construction may add more states [2020-12-18 09:57:06,134 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 412 states, 379 states have (on average 1.6939313984168864) internal successors, (642), 411 states have internal predecessors, (642), 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: 30 and size of Sequence is : 31[2020-12-18 09:57:06,147 INFO L131 SleepSetCegar]: Size of mCounterexample is: 31 [2020-12-18 09:57:06,148 INFO L132 SleepSetCegar]: [62#[ULTIMATE.startENTRY]don't care, 65#[L-1]don't care, 68#[L-1-1]don't care, 71#[L13]don't care, 74#[L-1-2]don't care, 77#[L-1-3]don't care, 80#[L36]don't care, 83#[L36-1]don't care, 86#[L37]don't care, 89#[L40]don't care, 92#[L40-1]don't care, 95#[L40-2, firstIncrementENTRY]don't care, 100#[L17, L40-2]don't care, 104#[L40-2, L18-2]don't care, 112#[L40-2, L18-3]don't care, 122#[firstIncrementEXIT, L40-2]don't care, 126#[firstIncrementEXIT, L41]don't care, 129#[firstIncrementEXIT, L41-1]don't care, 132#[firstIncrementEXIT, L41-2, secondIncrementENTRY]don't care, 135#[firstIncrementEXIT, secondIncrementENTRY, L43]don't care, 143#[firstIncrementEXIT, secondIncrementENTRY, L43-1]don't care, 147#[L43-2, secondIncrementENTRY]don't care, 153#[L44, secondIncrementENTRY]don't care, 159#[L44-1, secondIncrementENTRY]don't care, 165#[L44-1, L27]don't care, 168#[L44-1, L28-2]don't care, 173#[L44-1, L28-3]don't care, 190#[L44-1, secondIncrementEXIT]don't care, 193#[L44-2]don't care, 196#[L46]don't care, 201#[ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]don't care] [2020-12-18 09:57:06,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-12-18 09:57:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:57:06,158 INFO L82 PathProgramCache]: Analyzing trace with hash -2003973694, now seen corresponding path program 1 times [2020-12-18 09:57:06,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:57:06,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071044277] [2020-12-18 09:57:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:57:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:57:06,328 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 09:57:06,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071044277] [2020-12-18 09:57:06,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:57:06,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:57:06,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510148493] [2020-12-18 09:57:06,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:57:06,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:57:06,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:57:06,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:57:06,352 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:57:06,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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: 30 and size of Sequence is : 31[2020-12-18 09:57:06,394 INFO L131 SleepSetCegar]: Size of mCounterexample is: 31 [2020-12-18 09:57:06,395 INFO L132 SleepSetCegar]: [1741#[ULTIMATE.startENTRY]true, 1743#[L-1]true, 1745#[L-1-1]true, 1747#[L13]true, 1749#[L-1-2]true, 1751#[L-1-3]true, 1753#[L36]true, 1755#[L36-1]true, 1757#[L37]true, 1759#[L40]true, 1761#[L40-1]true, 1763#[L40-2, firstIncrementENTRY]true, 1765#[L17, L40-2]true, 1769#[L40-2, L18-2]true, 1774#[L40-2, L18-3]true, 2063#[firstIncrementEXIT, L40-2]true, 2066#[firstIncrementEXIT, L41]true, 2068#[firstIncrementEXIT, L41-1]true, 2070#[firstIncrementEXIT, L41-2, secondIncrementENTRY]true, 2072#[firstIncrementEXIT, secondIncrementENTRY, L43]true, 2076#[firstIncrementEXIT, secondIncrementENTRY, L43-1]true, 2080#[L43-2, secondIncrementENTRY]true, 2084#[L44, secondIncrementENTRY]true, 2088#[L44-1, secondIncrementENTRY]true, 2092#[L44-1, L27]true, 2094#[L44-1, L28-2]true, 2097#[L44-1, L28-3]true, 2121#[L44-1, secondIncrementEXIT]true, 2123#[L44-2]true, 2125#[L46]true, 2127#[ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]true] [2020-12-18 09:57:06,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:57:06,395 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-12-18 09:57:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:57:06,396 INFO L82 PathProgramCache]: Analyzing trace with hash -649740476, now seen corresponding path program 1 times [2020-12-18 09:57:06,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:57:06,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122070047] [2020-12-18 09:57:06,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:57:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:57:06,458 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 09:57:06,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122070047] [2020-12-18 09:57:06,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:57:06,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 09:57:06,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691599436] [2020-12-18 09:57:06,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 09:57:06,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:57:06,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 09:57:06,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 09:57:06,463 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:57:06,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 09:57:06,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 09:57:06,489 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@740fda97 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 09:57:06,495 INFO L168 Benchmark]: Toolchain (without parser) took 1489.69 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 251.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.0 GB. [2020-12-18 09:57:06,495 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:57:06,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.53 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 268.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2020-12-18 09:57:06,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 266.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:57:06,499 INFO L168 Benchmark]: Boogie Preprocessor took 25.05 ms. Allocated memory is still 302.0 MB. Free memory was 266.5 MB in the beginning and 265.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:57:06,500 INFO L168 Benchmark]: RCFGBuilder took 454.56 ms. Allocated memory is still 302.0 MB. Free memory was 265.3 MB in the beginning and 250.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2020-12-18 09:57:06,501 INFO L168 Benchmark]: TraceAbstraction took 742.25 ms. Allocated memory is still 302.0 MB. Free memory was 250.4 MB in the beginning and 251.4 MB in the end (delta: -915.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:57:06,505 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 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 223.53 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 268.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 266.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.05 ms. Allocated memory is still 302.0 MB. Free memory was 266.5 MB in the beginning and 265.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 454.56 ms. Allocated memory is still 302.0 MB. Free memory was 265.3 MB in the beginning and 250.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 742.25 ms. Allocated memory is still 302.0 MB. Free memory was 250.4 MB in the beginning and 251.4 MB in the end (delta: -915.7 kB). There was no memory consumed. 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@740fda97 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@740fda97: 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...