/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:35:33,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:35:33,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:35:33,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:35:33,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:35:33,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:35:33,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:35:33,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:35:33,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:35:33,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:35:33,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:35:33,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:35:33,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:35:33,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:35:33,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:35:33,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:35:33,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:35:34,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:35:34,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:35:34,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:35:34,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:35:34,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:35:34,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:35:34,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:35:34,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 09:35:34,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:35:34,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:35:34,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:35:34,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:35:34,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:35:34,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:35:34,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:35:34,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:35:34,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:35:34,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:35:34,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:35:34,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2020-12-18 09:35:34,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:35:34,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:35:34,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:35:34,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:35:34,103 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:35:34,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:35:34,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:35:34,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:35:34,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:35:34,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:35:34,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:35:34,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:35:34,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:35:34,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:35:34,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:35:34,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:35:34,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:35:34,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:35:34,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:35:34,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:35:34,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:35:34,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:35:34,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:35:34,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:35:34,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:35:34,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:35:34,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:35:34,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:35:34,109 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:35:34,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:35:34,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:35:34,110 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:35:34,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:35:34,110 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:35:34,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:35:34,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:35:34,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:35:34,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:35:34,534 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:35:34,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2020-12-18 09:35:34,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87d05cf3/9026b43505a74ed49c842a1e764a8896/FLAGb69364cba [2020-12-18 09:35:35,277 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:35:35,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2020-12-18 09:35:35,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87d05cf3/9026b43505a74ed49c842a1e764a8896/FLAGb69364cba [2020-12-18 09:35:35,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87d05cf3/9026b43505a74ed49c842a1e764a8896 [2020-12-18 09:35:35,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:35:35,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:35:35,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:35:35,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:35:35,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:35:35,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:35:35" (1/1) ... [2020-12-18 09:35:35,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7cefc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:35, skipping insertion in model container [2020-12-18 09:35:35,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:35:35" (1/1) ... [2020-12-18 09:35:35,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:35:35,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:35:36,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:35:36,205 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:35:36,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:35:36,367 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:35:36,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36 WrapperNode [2020-12-18 09:35:36,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:35:36,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:35:36,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:35:36,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:35:36,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:35:36,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:35:36,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:35:36,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:35:36,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... [2020-12-18 09:35:36,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:35:36,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:35:36,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:35:36,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:35:36,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:35:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 09:35:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 09:35:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 09:35:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:35:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:35:36,659 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 09:35:37,186 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:35:37,186 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-12-18 09:35:37,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:35:37 BoogieIcfgContainer [2020-12-18 09:35:37,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:35:37,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:35:37,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:35:37,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:35:37,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:35:35" (1/3) ... [2020-12-18 09:35:37,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be870aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:35:37, skipping insertion in model container [2020-12-18 09:35:37,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:35:36" (2/3) ... [2020-12-18 09:35:37,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be870aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:35:37, skipping insertion in model container [2020-12-18 09:35:37,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:35:37" (3/3) ... [2020-12-18 09:35:37,197 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_19-callback_racing.i [2020-12-18 09:35:37,213 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:35:37,213 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:35:37,218 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:35:37,219 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:35:37,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,254 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,254 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,263 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:35:37,275 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 09:35:37,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 09:35:37,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:35:37,314 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:35:37,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:35:37,315 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:35:37,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:35:37,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:35:37,315 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:35:37,315 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:35:41,335 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 3997ms [2020-12-18 09:35:41,335 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1393 states, but on-demand construction may add more states [2020-12-18 09:35:41,344 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1393 states, 1317 states have (on average 1.6089597570235383) internal successors, (2119), 1392 states have internal predecessors, (2119), 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: 87 and size of Sequence is : 88[2020-12-18 09:35:41,666 INFO L131 SleepSetCegar]: Size of mCounterexample is: 88 [2020-12-18 09:35:41,667 INFO L132 SleepSetCegar]: [124#[ULTIMATE.startENTRY]don't care, 127#[L-1]don't care, 130#[L-1-1]don't care, 133#[L684]don't care, 136#[L684-1]don't care, 139#[L684-2]don't care, 142#[L684-3]don't care, 145#[L684-4]don't care, 148#[L690]don't care, 151#[L690-1]don't care, 154#[L690-2]don't care, 157#[L690-3]don't care, 160#[L690-4]don't care, 163#[L690-5]don't care, 166#[L698]don't care, 169#[L698-1]don't care, 172#[L698-2]don't care, 175#[L698-3]don't care, 178#[L698-4]don't care, 181#[L698-5]don't care, 184#[L698-6]don't care, 187#[L699]don't care, 190#[L699-1]don't care, 193#[L699-2]don't care, 196#[L699-3]don't care, 199#[L699-4]don't care, 202#[L699-5]don't care, 205#[L-1-2]don't care, 208#[L713]don't care, 211#[L713-1]don't care, 214#[L713-10]don't care, 219#[L713-4]don't care, 1756#[L713-5]don't care, 1759#[t_funENTRY, L713-6]don't care, 1762#[t_funENTRY, L713-7]don't care, 1770#[t_funENTRY, L713-8]don't care, 1776#[t_funENTRY, L713-9]don't care, 1782#[t_funENTRY, L713-10]don't care, 1788#[t_funENTRY, L713-11]don't care, 1795#[L713-11, L707]don't care, 1803#[L713-11, L707-1]don't care, 1809#[L708-5, L713-11]don't care, 1815#[L708-1, L713-11]don't care, 1822#[L708-2, L713-11]don't care, 1830#[L713-11, L708-3]don't care, 1836#[L713-11, L685]don't care, 1840#[L713-11, L685-1]don't care, 1846#[L713-11, L685-2]don't care, 1857#[L684, L713-11]don't care, 1865#[L684-4, L713-11]don't care, 1850#[L685-4, L713-11]don't care, 1874#[L708-4, L713-11]don't care, 1809#[L708-5, L713-11]don't care, 1815#[L708-1, L713-11]don't care, 1822#[L708-2, L713-11]don't care, 1830#[L713-11, L708-3]don't care, 1836#[L713-11, L685]don't care, 1840#[L713-11, L685-1]don't care, 1846#[L713-11, L685-2]don't care, 1857#[L684, L713-11]don't care, 1865#[L684-4, L713-11]don't care, 1850#[L685-4, L713-11]don't care, 1876#[L685-4, L714]don't care, 6591#[L685-4, L691]don't care, 6594#[L692, L685-4]don't care, 6597#[L685-4, L692-6]don't care, 6600#[L685-4, L693]don't care, 6655#[L685-4, L693-1]don't care, 6658#[L685-4, L693-2]don't care, 6664#[L685-4, L694]don't care, 6667#[L694-1, L685-4]don't care, 6670#[L685-4, L694-2]don't care, 6673#[L685-4, L-1-3]don't care, 6676#[L685-4, L-1-4]don't care, 6679#[L685-4, L701]don't care, 6682#[L685-4, L701-1]don't care, 6685#[L702-17, L685-4]don't care, 5809#[L702-17, L708-4]don't care, 5818#[L702-17, L708-5]don't care, 6697#[L702-17, L708-1]don't care, 6703#[L702-17, L708-2]don't care, 6714#[L702-17, L708-3]don't care, 6725#[L702-17, L685]don't care, 6732#[L702-17, L685-1]don't care, 6739#[L702-17, L685-2]don't care, 6751#[L702-17, L684]don't care, 6760#[L702-17, L684-2]don't care, 7611#[L702-17, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 09:35:41,667 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:35:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:35:41,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1515894076, now seen corresponding path program 1 times [2020-12-18 09:35:41,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:35:41,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264171409] [2020-12-18 09:35:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:35:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:35:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-18 09:35:41,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264171409] [2020-12-18 09:35:41,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:35:41,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:35:41,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341512647] [2020-12-18 09:35:41,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:35:41,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:35:41,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:35:41,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:35:41,994 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:35:41,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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 09:35:45,892 INFO L131 SleepSetCegar]: Size of mCounterexample is: 51 [2020-12-18 09:35:45,893 INFO L132 SleepSetCegar]: [146492#[ULTIMATE.startENTRY]true, 146494#[L-1]true, 146496#[L-1-1]true, 146498#[L684]true, 146500#[L684-1]true, 146502#[L684-2]true, 146504#[L684-3]true, 146506#[L684-4]true, 146508#[L690]true, 146510#[L690-1]true, 146512#[L690-2]true, 146514#[L690-3]true, 146516#[L690-4]true, 146518#[L690-5]true, 146520#[L698]true, 146522#[L698-1]true, 146524#[L698-2]true, 146526#[L698-3]true, 146528#[L698-4]true, 146530#[L698-5]true, 146532#[L698-6]true, 146534#[L699]true, 146536#[L699-1]true, 146538#[L699-2]true, 146540#[L699-3]true, 146542#[L699-4]true, 146544#[L699-5]true, 146546#[L-1-2]true, 146548#[L713]true, 146550#[L713-1]true, 146552#[L713-10]true, 146556#[L713-4]true, 148844#[L713-5]true, 148846#[t_funENTRY, L713-6]true, 148848#[t_funENTRY, L713-7]true, 148852#[t_funENTRY, L713-8]true, 148856#[t_funENTRY, L713-9]true, 148860#[t_funENTRY, L713-10]true, 148864#[t_funENTRY, L713-11]true, 148871#[L713-11, L707]true, 148875#[L713-11, L707-1]true, 148878#[L708-5, L713-11]true, 148882#[L708-1, L713-11]true, 148888#[L708-2, L713-11]true, 148893#[L713-11, L708-3]true, 148897#[L713-11, L685]true, 148901#[L713-11, L685-1]true, 148905#[L713-11, L685-2]true, 148911#[L684, L713-11]true, 148916#[L684-2, L713-11]true, 216638#[t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, L713-11]true] [2020-12-18 09:35:45,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:35:45,894 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:35:45,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:35:45,895 INFO L82 PathProgramCache]: Analyzing trace with hash 242924646, now seen corresponding path program 1 times [2020-12-18 09:35:45,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:35:45,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952594858] [2020-12-18 09:35:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:35:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:35:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:35:46,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952594858] [2020-12-18 09:35:46,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041828675] [2020-12-18 09:35:46,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-18 09:35:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:35:46,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-18 09:35:46,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-18 09:35:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:35:46,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-18 09:35:46,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-18 09:35:46,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805181743] [2020-12-18 09:35:46,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 09:35:46,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:35:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 09:35:46,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-18 09:35:46,397 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:35:46,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 09:35:46,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-18 09:35:46,644 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@2ac86979 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 09:35:46,651 INFO L168 Benchmark]: Toolchain (without parser) took 11105.61 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 277.2 MB in the beginning and 1.1 GB in the end (delta: -847.9 MB). Peak memory consumption was 215.9 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,653 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:35:46,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.91 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 245.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,659 INFO L168 Benchmark]: Boogie Preprocessor took 77.68 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 283.7 MB in the end (delta: -40.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,660 INFO L168 Benchmark]: RCFGBuilder took 640.88 ms. Allocated memory is still 302.0 MB. Free memory was 283.7 MB in the beginning and 254.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,664 INFO L168 Benchmark]: TraceAbstraction took 9459.07 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 254.4 MB in the beginning and 1.1 GB in the end (delta: -870.7 MB). Peak memory consumption was 190.4 MB. Max. memory is 16.0 GB. [2020-12-18 09:35:46,674 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 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 819.91 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 245.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 77.68 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 283.7 MB in the end (delta: -40.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * RCFGBuilder took 640.88 ms. Allocated memory is still 302.0 MB. Free memory was 283.7 MB in the beginning and 254.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9459.07 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 254.4 MB in the beginning and 1.1 GB in the end (delta: -870.7 MB). Peak memory consumption was 190.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@2ac86979 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@2ac86979: 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...