/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 05:31:58,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 05:31:58,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 05:31:59,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 05:31:59,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 05:31:59,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 05:31:59,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 05:31:59,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 05:31:59,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 05:31:59,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 05:31:59,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 05:31:59,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 05:31:59,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 05:31:59,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 05:31:59,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 05:31:59,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 05:31:59,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 05:31:59,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 05:31:59,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 05:31:59,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 05:31:59,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 05:31:59,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 05:31:59,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 05:31:59,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 05:31:59,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 05:31:59,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 05:31:59,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 05:31:59,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 05:31:59,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 05:31:59,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 05:31:59,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 05:31:59,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 05:31:59,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 05:31:59,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 05:31:59,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 05:31:59,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 05:31:59,094 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 05:31:59,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 05:31:59,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 05:31:59,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 05:31:59,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 05:31:59,155 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 05:31:59,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 05:31:59,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 05:31:59,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 05:31:59,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 05:31:59,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 05:31:59,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 05:31:59,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 05:31:59,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 05:31:59,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 05:31:59,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 05:31:59,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 05:31:59,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 05:31:59,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 05:31:59,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 05:31:59,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 05:31:59,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 05:31:59,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 05:31:59,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 05:31:59,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 05:31:59,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 05:31:59,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 05:31:59,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 05:31:59,161 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 05:31:59,162 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 05:31:59,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 05:31:59,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 05:31:59,162 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 05:31:59,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 05:31:59,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 05:31:59,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 05:31:59,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 05:31:59,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 05:31:59,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 05:31:59,579 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 05:31:59,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2020-12-18 05:31:59,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838efea24/3ec7041ef54144c29f0f34c85dd15610/FLAGb798b646f [2020-12-18 05:32:00,459 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 05:32:00,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2020-12-18 05:32:00,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838efea24/3ec7041ef54144c29f0f34c85dd15610/FLAGb798b646f [2020-12-18 05:32:00,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838efea24/3ec7041ef54144c29f0f34c85dd15610 [2020-12-18 05:32:00,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 05:32:00,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 05:32:00,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 05:32:00,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 05:32:00,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 05:32:00,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:32:00" (1/1) ... [2020-12-18 05:32:00,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a24f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:00, skipping insertion in model container [2020-12-18 05:32:00,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:32:00" (1/1) ... [2020-12-18 05:32:00,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 05:32:00,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 05:32:01,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:32:01,184 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 05:32:01,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:32:01,361 INFO L208 MainTranslator]: Completed translation [2020-12-18 05:32:01,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01 WrapperNode [2020-12-18 05:32:01,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 05:32:01,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 05:32:01,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 05:32:01,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 05:32:01,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 05:32:01,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 05:32:01,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 05:32:01,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 05:32:01,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (1/1) ... [2020-12-18 05:32:01,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 05:32:01,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 05:32:01,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 05:32:01,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 05:32:01,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (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 05:32:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-18 05:32:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-18 05:32:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 05:32:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 05:32:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 05:32:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 05:32:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 05:32:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 05:32:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 05:32:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 05:32:01,550 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 05:32:02,090 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 05:32:02,090 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-18 05:32:02,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:32:02 BoogieIcfgContainer [2020-12-18 05:32:02,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 05:32:02,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 05:32:02,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 05:32:02,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 05:32:02,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:32:00" (1/3) ... [2020-12-18 05:32:02,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4384a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:32:02, skipping insertion in model container [2020-12-18 05:32:02,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:32:01" (2/3) ... [2020-12-18 05:32:02,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4384a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:32:02, skipping insertion in model container [2020-12-18 05:32:02,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:32:02" (3/3) ... [2020-12-18 05:32:02,102 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2020-12-18 05:32:02,119 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 05:32:02,119 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 05:32:02,123 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 05:32:02,124 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 05:32:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:32:02,194 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 05:32:02,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 05:32:02,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 05:32:02,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 05:32:02,245 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 05:32:02,245 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 05:32:02,245 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 05:32:02,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 05:32:02,245 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 05:32:02,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 05:32:02,491 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 222ms [2020-12-18 05:32:02,491 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1444 states, but on-demand construction may add more states [2020-12-18 05:32:02,499 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1444 states, 1272 states have (on average 1.1878930817610063) internal successors, (1511), 1443 states have internal predecessors, (1511), 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: 50 and size of Sequence is : 51[2020-12-18 05:32:02,521 INFO L131 SleepSetCegar]: Size of mCounterexample is: 51 [2020-12-18 05:32:02,522 INFO L132 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L683]don't care, 82#[L683-1]don't care, 84#[L683-2]don't care, 86#[L683-3]don't care, 88#[L683-4]don't care, 90#[L691]don't care, 92#[L-1-2]don't care, 94#[L-1-3]don't care, 96#[L-1-4]don't care, 98#[L700]don't care, 100#[L700-1]don't care, 102#[L701]don't care, 104#[L701-1]don't care, 106#[L701-2]don't care, 108#[L703]don't care, 110#[L704]don't care, 112#[L704-1]don't care, 114#[L705]don't care, 116#[L705-1]don't care, 118#[L686]don't care, 120#[L687]don't care, 124#[L686-1]don't care, 126#[L706]don't care, 128#[L706-1, thr1ENTRY]don't care, 132#[L706-1, L693]don't care, 136#[L693-1, L706-1]don't care, 140#[L706-1, L689]don't care, 144#[L706-1, L689-1]don't care, 148#[L706-1, L689-2]don't care, 154#[L683, L706-1]don't care, 158#[L706-1, L683-4]don't care, 162#[L707, L683-4]don't care, 166#[L683-4, L707-6]don't care, 172#[L683-4, L708]don't care, 206#[L708-1, L683-4]don't care, 208#[L708-2, thr2ENTRY, L683-4]don't care, 216#[L707-3, thr2ENTRY, L683-4]don't care, 218#[L696, L707-3, L683-4]don't care, 226#[L697, L707-3, L683-4]don't care, 232#[L707-3, L698, L683-4]don't care, 238#[L707-3, thr2FINAL, L683-4]don't care, 246#[L707-3, thr2EXIT, L683-4]don't care, 250#[L707-4, thr2EXIT, L683-4]don't care, 254#[thr2EXIT, L707-5, L683-4]don't care, 258#[thr2EXIT, L683-4, L707-6]don't care, 264#[thr2EXIT, L683-4, L708]don't care, 298#[L708-1, thr2EXIT, L683-4]don't care, 302#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, L683-4]don't care] [2020-12-18 05:32:02,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 05:32:02,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:32:02,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1598694038, now seen corresponding path program 1 times [2020-12-18 05:32:02,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:32:02,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340726873] [2020-12-18 05:32:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:32:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:32:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-18 05:32:02,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340726873] [2020-12-18 05:32:02,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:32:02,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 05:32:02,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343760344] [2020-12-18 05:32:02,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 05:32:02,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:32:02,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 05:32:02,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 05:32:02,804 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:32:02,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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: 34 and size of Sequence is : 35[2020-12-18 05:32:03,536 INFO L131 SleepSetCegar]: Size of mCounterexample is: 35 [2020-12-18 05:32:03,537 INFO L132 SleepSetCegar]: [2963#[ULTIMATE.startENTRY]true, 2964#[L-1]true, 2965#[L-1-1]true, 2966#[L683]true, 2967#[L683-1]true, 2968#[L683-2]true, 2969#[L683-3]true, 2970#[L683-4]true, 2971#[L691]true, 2972#[L-1-2]true, 2973#[L-1-3]true, 2974#[L-1-4]true, 2975#[L700]true, 2976#[L700-1]true, 2977#[L701]true, 2978#[L701-1]true, 2979#[L701-2]true, 2980#[L703]true, 2981#[L704]true, 2982#[L704-1]true, 2983#[L705]true, 2984#[L705-1]true, 2985#[L686]true, 2986#[L687]true, 2988#[L686-1]true, 3862#[L706]true, 3863#[L706-1, thr1ENTRY]true, 3865#[L706-1, L693]true, 3866#[L693-1, L706-1]true, 3868#[L706-1, L689]true, 3870#[L706-1, L689-1]true, 3872#[L706-1, L689-2]true, 3875#[L683, L706-1]true, 3878#[L706-1, L683-2]true, 3880#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L706-1]true] [2020-12-18 05:32:03,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 05:32:03,537 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 05:32:03,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:32:03,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1312429080, now seen corresponding path program 1 times [2020-12-18 05:32:03,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:32:03,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479216293] [2020-12-18 05:32:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:32:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:32:03,809 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 05:32:03,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479216293] [2020-12-18 05:32:03,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:32:03,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-18 05:32:03,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763957796] [2020-12-18 05:32:03,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-18 05:32:03,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:32:03,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-18 05:32:03,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-18 05:32:03,822 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:32:03,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 05:32:03,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 05:32:04,000 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@352d3f9e 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 05:32:04,010 INFO L168 Benchmark]: Toolchain (without parser) took 3312.55 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.0 MB in the beginning and 331.5 MB in the end (delta: -54.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.0 GB. [2020-12-18 05:32:04,011 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.8 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 05:32:04,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.15 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 247.9 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 05:32:04,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.47 ms. Allocated memory is still 302.0 MB. Free memory was 247.9 MB in the beginning and 246.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:32:04,015 INFO L168 Benchmark]: Boogie Preprocessor took 29.19 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:32:04,017 INFO L168 Benchmark]: RCFGBuilder took 649.72 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 265.6 MB in the end (delta: -21.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2020-12-18 05:32:04,018 INFO L168 Benchmark]: TraceAbstraction took 1910.38 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 265.6 MB in the beginning and 331.5 MB in the end (delta: -65.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 05:32:04,027 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 was 271.8 MB in the beginning and 271.8 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 665.15 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 247.9 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.47 ms. Allocated memory is still 302.0 MB. Free memory was 247.9 MB in the beginning and 246.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.19 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 649.72 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 265.6 MB in the end (delta: -21.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1910.38 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 265.6 MB in the beginning and 331.5 MB in the end (delta: -65.9 MB). 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@352d3f9e de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@352d3f9e: 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...