/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 21:48:50,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 21:48:50,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 21:48:50,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 21:48:50,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 21:48:50,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 21:48:50,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 21:48:50,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 21:48:50,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 21:48:50,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 21:48:50,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 21:48:50,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 21:48:50,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 21:48:50,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 21:48:50,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 21:48:50,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 21:48:50,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 21:48:50,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 21:48:50,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 21:48:50,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 21:48:50,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 21:48:50,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 21:48:50,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 21:48:50,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 21:48:50,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 21:48:50,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 21:48:50,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 21:48:50,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 21:48:50,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 21:48:50,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 21:48:50,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 21:48:50,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 21:48:50,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 21:48:50,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 21:48:50,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 21:48:50,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 21:48:50,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 21:48:50,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 21:48:50,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 21:48:50,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 21:48:50,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 21:48:50,519 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-FA-NoLbe-Delay.epf [2021-07-09 21:48:50,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 21:48:50,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 21:48:50,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 21:48:50,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 21:48:50,537 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 21:48:50,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 21:48:50,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 21:48:50,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 21:48:50,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:48:50,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 21:48:50,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 21:48:50,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 21:48:50,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 21:48:50,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 21:48:50,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 21:48:50,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 21:48:50,827 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 21:48:50,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-09 21:48:50,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c13d0b/233106f940294a938965d8b902de5a6b/FLAG52d2056d3 [2021-07-09 21:48:51,280 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 21:48:51,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-09 21:48:51,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c13d0b/233106f940294a938965d8b902de5a6b/FLAG52d2056d3 [2021-07-09 21:48:51,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c13d0b/233106f940294a938965d8b902de5a6b [2021-07-09 21:48:51,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 21:48:51,312 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 21:48:51,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 21:48:51,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 21:48:51,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 21:48:51,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5aec13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51, skipping insertion in model container [2021-07-09 21:48:51,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 21:48:51,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 21:48:51,628 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-07-09 21:48:51,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 21:48:51,639 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 21:48:51,674 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-07-09 21:48:51,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 21:48:51,709 INFO L208 MainTranslator]: Completed translation [2021-07-09 21:48:51,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51 WrapperNode [2021-07-09 21:48:51,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 21:48:51,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 21:48:51,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 21:48:51,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 21:48:51,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 21:48:51,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 21:48:51,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 21:48:51,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 21:48:51,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (1/1) ... [2021-07-09 21:48:51,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 21:48:51,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 21:48:51,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 21:48:51,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 21:48:51,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (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 [2021-07-09 21:48:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 21:48:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 21:48:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 21:48:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 21:48:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 21:48:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 21:48:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 21:48:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 21:48:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 21:48:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 21:48:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 21:48:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 21:48:51,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 21:48:52,164 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 21:48:52,165 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-09 21:48:52,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:48:52 BoogieIcfgContainer [2021-07-09 21:48:52,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 21:48:52,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 21:48:52,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 21:48:52,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 21:48:52,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 09:48:51" (1/3) ... [2021-07-09 21:48:52,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4328a779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:48:52, skipping insertion in model container [2021-07-09 21:48:52,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:48:51" (2/3) ... [2021-07-09 21:48:52,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4328a779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:48:52, skipping insertion in model container [2021-07-09 21:48:52,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:48:52" (3/3) ... [2021-07-09 21:48:52,171 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-07-09 21:48:52,177 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 21:48:52,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 21:48:52,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 21:48:52,178 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 21:48:52,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,204 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,204 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,220 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,220 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,225 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,225 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:48:52,235 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 21:48:52,251 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-09 21:48:52,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:48:52,271 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:48:52,271 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:48:52,271 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:48:52,271 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:48:52,271 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:48:52,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:48:52,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 21:48:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 985 states, 904 states have (on average 1.372787610619469) internal successors, (1241), 984 states have internal predecessors, (1241), 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) [2021-07-09 21:48:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 21:48:52,484 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:48:52,485 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 21:48:52,485 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:48:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:48:52,489 INFO L82 PathProgramCache]: Analyzing trace with hash -229869531, now seen corresponding path program 1 times [2021-07-09 21:48:52,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:48:52,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115967101] [2021-07-09 21:48:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:48:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:48:52,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:52,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:52,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:48:52,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:48:52,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115967101] [2021-07-09 21:48:52,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115967101] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:48:52,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:48:52,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 21:48:52,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535266926] [2021-07-09 21:48:52,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 21:48:52,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:48:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 21:48:52,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:48:52,736 INFO L87 Difference]: Start difference. First operand has 985 states, 904 states have (on average 1.372787610619469) internal successors, (1241), 984 states have internal predecessors, (1241), 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) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-07-09 21:48:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:48:52,778 INFO L93 Difference]: Finished difference Result 745 states and 809 transitions. [2021-07-09 21:48:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 21:48:52,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) Word has length 75 [2021-07-09 21:48:52,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:48:52,785 INFO L225 Difference]: With dead ends: 745 [2021-07-09 21:48:52,785 INFO L226 Difference]: Without dead ends: 135 [2021-07-09 21:48:52,786 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:48:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-07-09 21:48:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-07-09 21:48:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.126865671641791) internal successors, (151), 134 states have internal predecessors, (151), 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) [2021-07-09 21:48:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 151 transitions. [2021-07-09 21:48:52,809 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 151 transitions. Word has length 75 [2021-07-09 21:48:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:48:52,809 INFO L482 AbstractCegarLoop]: Abstraction has 135 states and 151 transitions. [2021-07-09 21:48:52,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-07-09 21:48:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2021-07-09 21:48:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 21:48:52,811 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:48:52,811 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 21:48:52,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 21:48:52,811 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:48:52,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:48:52,811 INFO L82 PathProgramCache]: Analyzing trace with hash 414394849, now seen corresponding path program 2 times [2021-07-09 21:48:52,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:48:52,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909714604] [2021-07-09 21:48:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:48:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:48:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:52,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:52,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:52,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:52,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-07-09 21:48:52,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:48:52,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:48:52,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909714604] [2021-07-09 21:48:52,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909714604] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:48:52,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:48:52,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 21:48:52,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280870922] [2021-07-09 21:48:52,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 21:48:52,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:48:52,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 21:48:52,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 21:48:52,993 INFO L87 Difference]: Start difference. First operand 135 states and 151 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 21:48:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:48:53,035 INFO L93 Difference]: Finished difference Result 175 states and 198 transitions. [2021-07-09 21:48:53,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:48:53,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) Word has length 75 [2021-07-09 21:48:53,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:48:53,036 INFO L225 Difference]: With dead ends: 175 [2021-07-09 21:48:53,036 INFO L226 Difference]: Without dead ends: 116 [2021-07-09 21:48:53,037 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.3ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-09 21:48:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-07-09 21:48:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-07-09 21:48:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.1304347826086956) internal successors, (130), 115 states have internal predecessors, (130), 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) [2021-07-09 21:48:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2021-07-09 21:48:53,042 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 75 [2021-07-09 21:48:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:48:53,042 INFO L482 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2021-07-09 21:48:53,042 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 21:48:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2021-07-09 21:48:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 21:48:53,043 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:48:53,043 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 21:48:53,043 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 21:48:53,043 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:48:53,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:48:53,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1552705607, now seen corresponding path program 3 times [2021-07-09 21:48:53,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:48:53,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653830152] [2021-07-09 21:48:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:48:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:48:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:53,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:53,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-07-09 21:48:53,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:48:53,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:48:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:48:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:48:53,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:48:53,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653830152] [2021-07-09 21:48:53,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653830152] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:48:53,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:48:53,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 21:48:53,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430190337] [2021-07-09 21:48:53,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 21:48:53,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:48:53,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 21:48:53,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 21:48:53,174 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 21:48:53,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:48:53,204 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2021-07-09 21:48:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:48:53,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) Word has length 75 [2021-07-09 21:48:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:48:53,204 INFO L225 Difference]: With dead ends: 114 [2021-07-09 21:48:53,204 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 21:48:53,205 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-09 21:48:53,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 21:48:53,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 21:48:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-07-09 21:48:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 21:48:53,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2021-07-09 21:48:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:48:53,205 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 21:48:53,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 21:48:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 21:48:53,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 21:48:53,206 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 21:48:53,207 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 21:48:53,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 09:48:53 BasicIcfg [2021-07-09 21:48:53,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 21:48:53,209 INFO L168 Benchmark]: Toolchain (without parser) took 1897.01 ms. Allocated memory is still 183.5 MB. Free memory was 145.9 MB in the beginning and 116.2 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,209 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 183.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 21:48:53,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.29 ms. Allocated memory is still 183.5 MB. Free memory was 145.7 MB in the beginning and 156.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.01 ms. Allocated memory is still 183.5 MB. Free memory was 156.6 MB in the beginning and 155.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,210 INFO L168 Benchmark]: Boogie Preprocessor took 15.51 ms. Allocated memory is still 183.5 MB. Free memory was 155.1 MB in the beginning and 153.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,211 INFO L168 Benchmark]: RCFGBuilder took 399.57 ms. Allocated memory is still 183.5 MB. Free memory was 153.5 MB in the beginning and 128.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,211 INFO L168 Benchmark]: TraceAbstraction took 1041.36 ms. Allocated memory is still 183.5 MB. Free memory was 127.8 MB in the beginning and 116.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. [2021-07-09 21:48:53,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 183.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 397.29 ms. Allocated memory is still 183.5 MB. Free memory was 145.7 MB in the beginning and 156.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.01 ms. Allocated memory is still 183.5 MB. Free memory was 156.6 MB in the beginning and 155.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.51 ms. Allocated memory is still 183.5 MB. Free memory was 155.1 MB in the beginning and 153.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 399.57 ms. Allocated memory is still 183.5 MB. Free memory was 153.5 MB in the beginning and 128.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1041.36 ms. Allocated memory is still 183.5 MB. Free memory was 127.8 MB in the beginning and 116.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1595, positive: 1546, positive conditional: 1546, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1595, positive: 1546, positive conditional: 0, positive unconditional: 1546, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 413, positive: 400, positive conditional: 0, positive unconditional: 400, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 413, positive: 392, positive conditional: 0, positive unconditional: 392, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1595, positive: 1146, positive conditional: 0, positive unconditional: 1146, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 413, unknown conditional: 0, unknown unconditional: 413] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 400, Positive conditional cache size: 0, Positive unconditional cache size: 400, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 0 - PositiveResult [Line: 727]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 937.0ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 22.8ms, AutomataDifference: 139.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 191.4ms, PartialOrderReductionTime: 177.2ms, HoareTripleCheckerStatistics: 253 SDtfs, 40 SDslu, 620 SDs, 0 SdLazy, 63 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 85.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=985occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 19.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 85.2ms SatisfiabilityAnalysisTime, 354.6ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...