/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 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 14:53:39,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 14:53:39,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 14:53:39,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 14:53:39,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 14:53:39,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 14:53:39,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 14:53:39,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 14:53:39,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 14:53:39,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 14:53:39,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 14:53:39,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 14:53:39,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 14:53:39,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 14:53:39,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 14:53:39,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 14:53:39,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 14:53:39,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 14:53:39,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 14:53:39,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 14:53:39,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 14:53:39,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 14:53:39,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 14:53:39,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 14:53:39,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 14:53:39,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 14:53:39,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 14:53:39,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 14:53:39,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 14:53:39,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 14:53:39,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 14:53:39,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 14:53:39,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 14:53:39,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 14:53:39,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 14:53:39,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 14:53:39,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 14:53:39,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 14:53:39,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 14:53:39,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 14:53:39,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 14:53:39,538 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 [2021-06-16 14:53:39,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 14:53:39,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 14:53:39,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 14:53:39,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 14:53:39,568 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 14:53:39,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 14:53:39,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 14:53:39,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 14:53:39,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 14:53:39,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 14:53:39,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 14:53:39,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 14:53:39,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 14:53:39,571 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 14:53:39,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 14:53:39,572 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 14:53:39,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 14:53:39,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 14:53:39,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 14:53:39,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 14:53:39,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 14:53:39,844 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 14:53:39,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-06-16 14:53:39,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31e9b3fc/2ed5b07f48d54d77ba7a62878d60a02a/FLAGc1fd4cfff [2021-06-16 14:53:40,257 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 14:53:40,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-06-16 14:53:40,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31e9b3fc/2ed5b07f48d54d77ba7a62878d60a02a/FLAGc1fd4cfff [2021-06-16 14:53:40,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31e9b3fc/2ed5b07f48d54d77ba7a62878d60a02a [2021-06-16 14:53:40,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 14:53:40,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 14:53:40,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 14:53:40,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 14:53:40,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 14:53:40,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 02:53:40" (1/1) ... [2021-06-16 14:53:40,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51423826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:40, skipping insertion in model container [2021-06-16 14:53:40,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 02:53:40" (1/1) ... [2021-06-16 14:53:40,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 14:53:40,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 14:53:40,934 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] [2021-06-16 14:53:40,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 14:53:40,977 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 14:53:41,010 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] [2021-06-16 14:53:41,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 14:53:41,061 INFO L208 MainTranslator]: Completed translation [2021-06-16 14:53:41,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41 WrapperNode [2021-06-16 14:53:41,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 14:53:41,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 14:53:41,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 14:53:41,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 14:53:41,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 14:53:41,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 14:53:41,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 14:53:41,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 14:53:41,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (1/1) ... [2021-06-16 14:53:41,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 14:53:41,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 14:53:41,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 14:53:41,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 14:53:41,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (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 [2021-06-16 14:53:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 14:53:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 14:53:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 14:53:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 14:53:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 14:53:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 14:53:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 14:53:41,199 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 14:53:41,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 14:53:41,464 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 14:53:41,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 02:53:41 BoogieIcfgContainer [2021-06-16 14:53:41,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 14:53:41,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 14:53:41,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 14:53:41,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 14:53:41,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 02:53:40" (1/3) ... [2021-06-16 14:53:41,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b67d457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 02:53:41, skipping insertion in model container [2021-06-16 14:53:41,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 02:53:41" (2/3) ... [2021-06-16 14:53:41,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b67d457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 02:53:41, skipping insertion in model container [2021-06-16 14:53:41,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 02:53:41" (3/3) ... [2021-06-16 14:53:41,469 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-06-16 14:53:41,473 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 14:53:41,473 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 14:53:41,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 14:53:41,474 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,491 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,495 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,499 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,502 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 14:53:41,513 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 14:53:41,527 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-16 14:53:41,538 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 14:53:41,539 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 14:53:41,539 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 14:53:41,539 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 14:53:41,539 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 14:53:41,539 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 14:53:41,539 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 14:53:41,539 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 14:53:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 994 states, 913 states have (on average 1.3702081051478643) internal successors, (1251), 993 states have internal predecessors, (1251), 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) [2021-06-16 14:53:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-06-16 14:53:41,755 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:53:41,756 INFO L472 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] [2021-06-16 14:53:41,756 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:53:41,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:53:41,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1124209509, now seen corresponding path program 1 times [2021-06-16 14:53:41,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:53:41,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501774753] [2021-06-16 14:53:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:53:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:53:41,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:41,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:41,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:41,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:41,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:41,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:53:41,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:53:41,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501774753] [2021-06-16 14:53:41,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501774753] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:53:41,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:53:41,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 14:53:41,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881096669] [2021-06-16 14:53:41,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 14:53:41,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:53:41,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 14:53:41,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:53:42,001 INFO L87 Difference]: Start difference. First operand has 994 states, 913 states have (on average 1.3702081051478643) internal successors, (1251), 993 states have internal predecessors, (1251), 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) [2021-06-16 14:53:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:53:42,037 INFO L93 Difference]: Finished difference Result 753 states and 817 transitions. [2021-06-16 14:53:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 14:53:42,038 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 [2021-06-16 14:53:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:53:42,044 INFO L225 Difference]: With dead ends: 753 [2021-06-16 14:53:42,044 INFO L226 Difference]: Without dead ends: 151 [2021-06-16 14:53:42,045 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 14:53:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-06-16 14:53:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-06-16 14:53:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.1133333333333333) internal successors, (167), 150 states have internal predecessors, (167), 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) [2021-06-16 14:53:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2021-06-16 14:53:42,070 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 75 [2021-06-16 14:53:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:53:42,070 INFO L482 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2021-06-16 14:53:42,070 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) [2021-06-16 14:53:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2021-06-16 14:53:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-06-16 14:53:42,072 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:53:42,072 INFO L472 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] [2021-06-16 14:53:42,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 14:53:42,072 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:53:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:53:42,073 INFO L82 PathProgramCache]: Analyzing trace with hash -959780963, now seen corresponding path program 2 times [2021-06-16 14:53:42,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:53:42,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296158007] [2021-06-16 14:53:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:53:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:53:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:42,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,191 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-16 14:53:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:53:42,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:53:42,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296158007] [2021-06-16 14:53:42,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296158007] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:53:42,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:53:42,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 14:53:42,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592493734] [2021-06-16 14:53:42,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 14:53:42,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:53:42,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 14:53:42,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 14:53:42,206 INFO L87 Difference]: Start difference. First operand 151 states and 167 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) [2021-06-16 14:53:42,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:53:42,258 INFO L93 Difference]: Finished difference Result 191 states and 214 transitions. [2021-06-16 14:53:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 14:53:42,258 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 [2021-06-16 14:53:42,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:53:42,262 INFO L225 Difference]: With dead ends: 191 [2021-06-16 14:53:42,262 INFO L226 Difference]: Without dead ends: 105 [2021-06-16 14:53:42,262 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 40.2ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:53:42,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-06-16 14:53:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-06-16 14:53:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.0865384615384615) internal successors, (113), 104 states have internal predecessors, (113), 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) [2021-06-16 14:53:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-06-16 14:53:42,277 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 75 [2021-06-16 14:53:42,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:53:42,277 INFO L482 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-06-16 14:53:42,277 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) [2021-06-16 14:53:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-06-16 14:53:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-06-16 14:53:42,278 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 14:53:42,278 INFO L472 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] [2021-06-16 14:53:42,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 14:53:42,279 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 14:53:42,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 14:53:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1004271825, now seen corresponding path program 3 times [2021-06-16 14:53:42,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 14:53:42,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551066242] [2021-06-16 14:53:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 14:53:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 14:53:42,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:42,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-16 14:53:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 14:53:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 14:53:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 14:53:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 14:53:42,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 14:53:42,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551066242] [2021-06-16 14:53:42,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551066242] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 14:53:42,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 14:53:42,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 14:53:42,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167524405] [2021-06-16 14:53:42,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 14:53:42,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 14:53:42,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 14:53:42,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 14:53:42,384 INFO L87 Difference]: Start difference. First operand 105 states and 113 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) [2021-06-16 14:53:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 14:53:42,423 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2021-06-16 14:53:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 14:53:42,423 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 [2021-06-16 14:53:42,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 14:53:42,425 INFO L225 Difference]: With dead ends: 103 [2021-06-16 14:53:42,425 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 14:53:42,425 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 40.8ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-16 14:53:42,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 14:53:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 14:53:42,426 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) [2021-06-16 14:53:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 14:53:42,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2021-06-16 14:53:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 14:53:42,427 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 14:53:42,427 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) [2021-06-16 14:53:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 14:53:42,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 14:53:42,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 14:53:42,431 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 14:53:42,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 02:53:42 BasicIcfg [2021-06-16 14:53:42,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 14:53:42,434 INFO L168 Benchmark]: Toolchain (without parser) took 1796.83 ms. Allocated memory is still 205.5 MB. Free memory was 169.5 MB in the beginning and 115.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,440 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 205.5 MB. Free memory is still 186.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 14:53:42,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.02 ms. Allocated memory is still 205.5 MB. Free memory was 169.3 MB in the beginning and 169.4 MB in the end (delta: -100.3 kB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.88 ms. Allocated memory is still 205.5 MB. Free memory was 169.4 MB in the beginning and 167.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,441 INFO L168 Benchmark]: Boogie Preprocessor took 25.32 ms. Allocated memory is still 205.5 MB. Free memory was 167.8 MB in the beginning and 166.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,442 INFO L168 Benchmark]: RCFGBuilder took 331.16 ms. Allocated memory is still 205.5 MB. Free memory was 166.2 MB in the beginning and 141.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,442 INFO L168 Benchmark]: TraceAbstraction took 967.12 ms. Allocated memory is still 205.5 MB. Free memory was 140.5 MB in the beginning and 115.2 MB in the end (delta: 25.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2021-06-16 14:53:42,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 205.5 MB. Free memory is still 186.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 425.02 ms. Allocated memory is still 205.5 MB. Free memory was 169.3 MB in the beginning and 169.4 MB in the end (delta: -100.3 kB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.88 ms. Allocated memory is still 205.5 MB. Free memory was 169.4 MB in the beginning and 167.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.32 ms. Allocated memory is still 205.5 MB. Free memory was 167.8 MB in the beginning and 166.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 331.16 ms. Allocated memory is still 205.5 MB. Free memory was 166.2 MB in the beginning and 141.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 967.12 ms. Allocated memory is still 205.5 MB. Free memory was 140.5 MB in the beginning and 115.2 MB in the end (delta: 25.4 MB). Peak memory consumption was 26.4 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: 1597, positive: 1546, positive conditional: 1546, positive unconditional: 0, negative: 51, negative conditional: 51, 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: 455, positive: 442, positive conditional: 0, positive unconditional: 442, 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: 455, positive: 434, positive conditional: 0, positive unconditional: 434, 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: 61, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1595, positive: 1104, positive conditional: 0, positive unconditional: 1104, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 455, unknown conditional: 0, unknown unconditional: 455] , Statistics on independence cache: Total cache size (in pairs): 455, Positive cache size: 442, Positive conditional cache size: 0, Positive unconditional cache size: 442, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 2 - 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: 893.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 22.9ms, AutomataDifference: 155.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 196.2ms, PartialOrderReductionTime: 186.0ms, HoareTripleCheckerStatistics: 264 SDtfs, 41 SDslu, 624 SDs, 0 SdLazy, 62 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 88.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=994occurred 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: 30.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.7ms SsaConstructionTime, 89.5ms SatisfiabilityAnalysisTime, 274.2ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 834 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...