/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 06:15:53,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 06:15:53,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 06:15:53,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 06:15:53,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 06:15:53,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 06:15:53,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 06:15:53,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 06:15:53,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 06:15:53,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 06:15:53,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 06:15:53,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 06:15:53,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 06:15:53,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 06:15:53,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 06:15:53,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 06:15:53,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 06:15:53,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 06:15:53,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 06:15:53,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 06:15:53,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 06:15:53,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 06:15:53,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 06:15:53,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 06:15:53,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 06:15:53,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 06:15:53,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 06:15:53,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 06:15:53,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 06:15:53,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 06:15:53,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 06:15:53,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 06:15:53,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 06:15:53,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 06:15:53,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 06:15:53,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 06:15:53,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2020-12-18 06:15:53,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 06:15:53,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 06:15:53,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 06:15:53,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 06:15:53,878 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 06:15:53,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 06:15:53,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 06:15:53,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 06:15:53,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 06:15:53,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 06:15:53,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 06:15:53,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 06:15:53,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 06:15:53,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 06:15:53,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 06:15:53,883 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 06:15:53,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 06:15:53,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 06:15:53,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 06:15:53,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 06:15:53,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 06:15:53,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:15:53,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 06:15:53,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 06:15:53,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 06:15:53,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 06:15:53,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 06:15:53,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 06:15:53,886 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 06:15:53,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 06:15:53,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 06:15:53,887 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 06:15:53,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 06:15:53,887 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 06:15:54,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 06:15:54,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 06:15:54,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 06:15:54,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 06:15:54,381 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 06:15:54,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-12-18 06:15:54,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c617fcb/127785f311ce4a6090aa5339e93ec45f/FLAG8fbf40785 [2020-12-18 06:15:55,301 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 06:15:55,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-12-18 06:15:55,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c617fcb/127785f311ce4a6090aa5339e93ec45f/FLAG8fbf40785 [2020-12-18 06:15:55,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c617fcb/127785f311ce4a6090aa5339e93ec45f [2020-12-18 06:15:55,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 06:15:55,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 06:15:55,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 06:15:55,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 06:15:55,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 06:15:55,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:15:55" (1/1) ... [2020-12-18 06:15:55,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576efe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:55, skipping insertion in model container [2020-12-18 06:15:55,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:15:55" (1/1) ... [2020-12-18 06:15:55,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 06:15:55,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 06:15:55,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:15:55,995 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 06:15:56,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:15:56,196 INFO L208 MainTranslator]: Completed translation [2020-12-18 06:15:56,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56 WrapperNode [2020-12-18 06:15:56,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 06:15:56,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 06:15:56,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 06:15:56,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 06:15:56,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 06:15:56,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 06:15:56,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 06:15:56,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 06:15:56,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... [2020-12-18 06:15:56,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 06:15:56,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 06:15:56,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 06:15:56,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 06:15:56,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:15:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 06:15:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 06:15:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 06:15:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 06:15:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 06:15:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 06:15:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 06:15:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 06:15:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 06:15:56,419 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 06:15:57,160 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 06:15:57,160 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-18 06:15:57,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:15:57 BoogieIcfgContainer [2020-12-18 06:15:57,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 06:15:57,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 06:15:57,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 06:15:57,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 06:15:57,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:15:55" (1/3) ... [2020-12-18 06:15:57,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54589784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:15:57, skipping insertion in model container [2020-12-18 06:15:57,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:15:56" (2/3) ... [2020-12-18 06:15:57,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54589784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:15:57, skipping insertion in model container [2020-12-18 06:15:57,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:15:57" (3/3) ... [2020-12-18 06:15:57,172 INFO L111 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2020-12-18 06:15:57,190 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 06:15:57,190 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 06:15:57,195 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-18 06:15:57,197 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 06:15:57,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:15:57,274 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:15:57,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 06:15:57,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:15:57,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:15:57,330 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:15:57,331 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:15:57,331 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:15:57,331 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:15:57,331 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:15:57,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:15:58,819 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 1464ms [2020-12-18 06:15:58,820 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1172 states, but on-demand construction may add more states [2020-12-18 06:15:58,827 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1172 states, 1095 states have (on average 1.8575342465753424) internal successors, (2034), 1171 states have internal predecessors, (2034), 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: 27 and size of Sequence is : 28[2020-12-18 06:15:58,841 INFO L131 SleepSetCegar]: Size of mCounterexample is: 28 [2020-12-18 06:15:58,841 INFO L132 SleepSetCegar]: [89#[ULTIMATE.startENTRY]don't care, 92#[L-1]don't care, 95#[L-1-1]don't care, 98#[L17]don't care, 101#[L17-1]don't care, 104#[L17-2]don't care, 107#[L17-3]don't care, 110#[L17-4]don't care, 113#[L690]don't care, 116#[L697]don't care, 119#[L-1-2]don't care, 122#[L-1-3]don't care, 125#[L710]don't care, 128#[L711-7]don't care, 131#[L711-8]don't care, 137#[L712]don't care, 140#[L712-1]don't care, 143#[L698]don't care, 146#[L700-2]don't care, 151#[L701]don't care, 188#[L701-1]don't care, 191#[L702-9]don't care, 194#[L702-10]don't care, 201#[L703]don't care, 204#[L703-1]don't care, 210#[L17-5]don't care, 215#[L17-7]don't care, 236#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 06:15:58,842 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:15:58,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:15:58,848 INFO L82 PathProgramCache]: Analyzing trace with hash -601426059, now seen corresponding path program 1 times [2020-12-18 06:15:58,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:15:58,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199144059] [2020-12-18 06:15:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:15:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:15:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:15:59,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199144059] [2020-12-18 06:15:59,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:15:59,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 06:15:59,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935006034] [2020-12-18 06:15:59,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 06:15:59,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:15:59,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 06:15:59,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 06:15:59,069 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:15:59,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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: 32 and size of Sequence is : 33[2020-12-18 06:15:59,141 INFO L131 SleepSetCegar]: Size of mCounterexample is: 33 [2020-12-18 06:15:59,142 INFO L132 SleepSetCegar]: [32830#[ULTIMATE.startENTRY]true, 32832#[L-1]true, 32834#[L-1-1]true, 32836#[L17]true, 32838#[L17-1]true, 32840#[L17-2]true, 32842#[L17-3]true, 32844#[L17-4]true, 32846#[L690]true, 32848#[L697]true, 32850#[L-1-2]true, 32852#[L-1-3]true, 32854#[L710]true, 32856#[L711-7]true, 32859#[L711]true, 33120#[L711-1]true, 33124#[L711-8]true, 33126#[L712]true, 33128#[L712-1]true, 33130#[L698]true, 33132#[L700-2]true, 33134#[L701]true, 33154#[L701-1]true, 33156#[L702-9]true, 33158#[L702-4]true, 33362#[L702-5]true, 33364#[L702-6]true, 33368#[L702-10]true, 33370#[L703]true, 33372#[L703-1]true, 33376#[L17-5]true, 33378#[L17-7]true, 33380#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 06:15:59,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 06:15:59,142 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:15:59,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:15:59,143 INFO L82 PathProgramCache]: Analyzing trace with hash 53597428, now seen corresponding path program 1 times [2020-12-18 06:15:59,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:15:59,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962510672] [2020-12-18 06:15:59,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:15:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:15:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:15:59,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962510672] [2020-12-18 06:15:59,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:15:59,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 06:15:59,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927509156] [2020-12-18 06:15:59,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 06:15:59,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:15:59,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 06:15:59,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 06:15:59,329 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:15:59,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 06:15:59,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 06:15:59,346 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@32acec97 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 06:15:59,358 INFO L168 Benchmark]: Toolchain (without parser) took 3832.43 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.2 MB in the beginning and 164.7 MB in the end (delta: 112.5 MB). Peak memory consumption was 175.8 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,359 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 154.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:15:59,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.65 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 248.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.73 ms. Allocated memory is still 302.0 MB. Free memory was 248.3 MB in the beginning and 246.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,362 INFO L168 Benchmark]: Boogie Preprocessor took 34.43 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 244.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,363 INFO L168 Benchmark]: RCFGBuilder took 872.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 247.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,364 INFO L168 Benchmark]: TraceAbstraction took 2184.31 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 247.5 MB in the beginning and 164.7 MB in the end (delta: 82.7 MB). Peak memory consumption was 145.7 MB. Max. memory is 16.0 GB. [2020-12-18 06:15:59,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 154.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 678.65 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 248.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.73 ms. Allocated memory is still 302.0 MB. Free memory was 248.3 MB in the beginning and 246.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.43 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 244.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 872.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 247.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2184.31 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 247.5 MB in the beginning and 164.7 MB in the end (delta: 82.7 MB). Peak memory consumption was 145.7 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@32acec97 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@32acec97: 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...