/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 05:33:40,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 05:33:40,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 05:33:40,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 05:33:40,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 05:33:40,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 05:33:40,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 05:33:40,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 05:33:40,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 05:33:40,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 05:33:40,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 05:33:40,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 05:33:40,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 05:33:40,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 05:33:40,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 05:33:40,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 05:33:40,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 05:33:40,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 05:33:40,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 05:33:40,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 05:33:40,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 05:33:40,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 05:33:40,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 05:33:40,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 05:33:40,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 05:33:40,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 05:33:40,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 05:33:40,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 05:33:40,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 05:33:40,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 05:33:40,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 05:33:40,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 05:33:40,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 05:33:40,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 05:33:40,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 05:33:40,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 05:33:40,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2020-12-18 05:33:40,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 05:33:40,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 05:33:40,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 05:33:40,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 05:33:40,733 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 05:33:40,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 05:33:40,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 05:33:40,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 05:33:40,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 05:33:40,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 05:33:40,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 05:33:40,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 05:33:40,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 05:33:40,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 05:33:40,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 05:33:40,736 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 05:33:40,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 05:33:40,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 05:33:40,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 05:33:40,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 05:33:40,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 05:33:40,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 05:33:40,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 05:33:40,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 05:33:40,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 05:33:40,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 05:33:40,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 05:33:40,739 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 05:33:40,739 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 05:33:40,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 05:33:40,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 05:33:40,740 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 05:33:40,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 05:33:40,741 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 05:33:41,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 05:33:41,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 05:33:41,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 05:33:41,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 05:33:41,148 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 05:33:41,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2020-12-18 05:33:41,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93265c930/92ce17ad687d45318e428c3c721c4445/FLAGc62794926 [2020-12-18 05:33:42,006 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 05:33:42,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2020-12-18 05:33:42,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93265c930/92ce17ad687d45318e428c3c721c4445/FLAGc62794926 [2020-12-18 05:33:42,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93265c930/92ce17ad687d45318e428c3c721c4445 [2020-12-18 05:33:42,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 05:33:42,235 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 05:33:42,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 05:33:42,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 05:33:42,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 05:33:42,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:42,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1430fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42, skipping insertion in model container [2020-12-18 05:33:42,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:42,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 05:33:42,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 05:33:42,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:33:42,769 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 05:33:42,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:33:42,959 INFO L208 MainTranslator]: Completed translation [2020-12-18 05:33:42,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42 WrapperNode [2020-12-18 05:33:42,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 05:33:42,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 05:33:42,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 05:33:42,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 05:33:42,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 05:33:43,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 05:33:43,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 05:33:43,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 05:33:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (1/1) ... [2020-12-18 05:33:43,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 05:33:43,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 05:33:43,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 05:33:43,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 05:33:43,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (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 05:33:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 05:33:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 05:33:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 05:33:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 05:33:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 05:33:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 05:33:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 05:33:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 05:33:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 05:33:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 05:33:43,201 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 05:33:43,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 05:33:43,642 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-18 05:33:43,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:33:43 BoogieIcfgContainer [2020-12-18 05:33:43,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 05:33:43,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 05:33:43,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 05:33:43,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 05:33:43,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:33:42" (1/3) ... [2020-12-18 05:33:43,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fed9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:33:43, skipping insertion in model container [2020-12-18 05:33:43,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:33:42" (2/3) ... [2020-12-18 05:33:43,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fed9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:33:43, skipping insertion in model container [2020-12-18 05:33:43,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:33:43" (3/3) ... [2020-12-18 05:33:43,653 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_22-deref_read_racefree.i [2020-12-18 05:33:43,670 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 05:33:43,670 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 05:33:43,674 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 05:33:43,675 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 05:33:43,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:33:43,732 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 05:33:43,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 05:33:43,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 05:33:43,768 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 05:33:43,768 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 05:33:43,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 05:33:43,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 05:33:43,769 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 05:33:43,769 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 05:33:43,769 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 05:33:44,450 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 662ms [2020-12-18 05:33:44,451 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 974 states, but on-demand construction may add more states [2020-12-18 05:33:44,458 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 974 states, 938 states have (on average 1.8635394456289978) internal successors, (1748), 973 states have internal predecessors, (1748), 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: 41 and size of Sequence is : 42[2020-12-18 05:33:44,469 INFO L131 SleepSetCegar]: Size of mCounterexample is: 42 [2020-12-18 05:33:44,469 INFO L132 SleepSetCegar]: [95#[ULTIMATE.startENTRY]don't care, 97#[L-1]don't care, 99#[L-1-1]don't care, 101#[L683]don't care, 103#[L683-1]don't care, 105#[L683-2]don't care, 107#[L683-3]don't care, 109#[L683-4]don't care, 111#[L689]don't care, 113#[L689-1]don't care, 115#[L689-2]don't care, 117#[L689-3]don't care, 119#[L689-4]don't care, 121#[L689-5]don't care, 123#[L690]don't care, 125#[L690-1]don't care, 127#[L691]don't care, 129#[L692]don't care, 131#[L692-1]don't care, 133#[L692-2]don't care, 135#[L692-3]don't care, 137#[L692-4]don't care, 139#[L692-5]don't care, 141#[L692-6]don't care, 143#[L-1-2]don't care, 145#[L700]don't care, 147#[L700-1]don't care, 149#[L700-10]don't care, 151#[L700-11]don't care, 155#[L702]don't care, 157#[L702-1]don't care, 159#[L703-7]don't care, 163#[L703-1]don't care, 165#[L703-2]don't care, 167#[L703-3]don't care, 169#[L703-4]don't care, 171#[L684]don't care, 173#[L684-1]don't care, 177#[L684-2]don't care, 179#[L683-5]don't care, 183#[L683-7]don't care, 187#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 05:33:44,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:33:44,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:33:44,476 INFO L82 PathProgramCache]: Analyzing trace with hash -427789298, now seen corresponding path program 1 times [2020-12-18 05:33:44,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:33:44,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201741912] [2020-12-18 05:33:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:33:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:33:44,755 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 05:33:44,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201741912] [2020-12-18 05:33:44,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:33:44,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 05:33:44,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445575489] [2020-12-18 05:33:44,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 05:33:44,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:33:44,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 05:33:44,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 05:33:44,779 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:33:44,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 41 and size of Sequence is : 42[2020-12-18 05:33:44,806 INFO L131 SleepSetCegar]: Size of mCounterexample is: 42 [2020-12-18 05:33:44,807 INFO L132 SleepSetCegar]: [2044#[ULTIMATE.startENTRY]true, 2045#[L-1]true, 2046#[L-1-1]true, 2047#[L683]true, 2048#[L683-1]true, 2049#[L683-2]true, 2050#[L683-3]true, 2051#[L683-4]true, 2052#[L689]true, 2053#[L689-1]true, 2054#[L689-2]true, 2055#[L689-3]true, 2056#[L689-4]true, 2057#[L689-5]true, 2058#[L690]true, 2059#[L690-1]true, 2060#[L691]true, 2061#[L692]true, 2062#[L692-1]true, 2063#[L692-2]true, 2064#[L692-3]true, 2065#[L692-4]true, 2066#[L692-5]true, 2067#[L692-6]true, 2068#[L-1-2]true, 2069#[L700]true, 2070#[L700-1]true, 2071#[L700-10]true, 2073#[L700-11]true, 2100#[L702]true, 2101#[L702-1]true, 2102#[L703-7]true, 2103#[L703-1]true, 2104#[L703-2]true, 2105#[L703-3]true, 2106#[L703-4]true, 2107#[L684]true, 2108#[L684-1]true, 2109#[L684-2]true, 2111#[L683-5]true, 2112#[L683-7]true, 2113#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 05:33:44,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 05:33:44,807 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:33:44,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:33:44,808 INFO L82 PathProgramCache]: Analyzing trace with hash -933347923, now seen corresponding path program 1 times [2020-12-18 05:33:44,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:33:44,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978419408] [2020-12-18 05:33:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:33:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:33:44,916 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 05:33:44,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978419408] [2020-12-18 05:33:44,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:33:44,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 05:33:44,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91768745] [2020-12-18 05:33:44,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 05:33:44,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:33:44,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 05:33:44,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 05:33:44,921 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:33:44,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 05:33:44,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 05:33:44,943 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@475549b 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.SleepSetDelayReduction.lambda$0(SleepSetDelayReduction.java:171) 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.SleepSetDelayReduction.search(SleepSetDelayReduction.java:172) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:120) 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 05:33:44,948 INFO L168 Benchmark]: Toolchain (without parser) took 2711.73 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 164.8 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,949 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.4 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 05:33:44,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.52 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 246.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.22 ms. Allocated memory is still 302.0 MB. Free memory was 246.9 MB in the beginning and 283.3 MB in the end (delta: -36.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,951 INFO L168 Benchmark]: Boogie Preprocessor took 56.82 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 281.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,952 INFO L168 Benchmark]: RCFGBuilder took 521.31 ms. Allocated memory is still 302.0 MB. Free memory was 281.2 MB in the beginning and 254.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,953 INFO L168 Benchmark]: TraceAbstraction took 1299.96 ms. Allocated memory is still 302.0 MB. Free memory was 254.9 MB in the beginning and 164.8 MB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:33:44,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.4 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 723.52 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 246.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 103.22 ms. Allocated memory is still 302.0 MB. Free memory was 246.9 MB in the beginning and 283.3 MB in the end (delta: -36.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 56.82 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 281.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 521.31 ms. Allocated memory is still 302.0 MB. Free memory was 281.2 MB in the beginning and 254.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1299.96 ms. Allocated memory is still 302.0 MB. Free memory was 254.9 MB in the beginning and 164.8 MB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 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@475549b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@475549b: 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...