/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 03:34:21,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 03:34:21,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 03:34:21,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 03:34:21,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 03:34:21,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 03:34:21,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 03:34:21,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 03:34:21,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 03:34:21,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 03:34:21,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 03:34:21,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 03:34:21,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 03:34:21,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 03:34:21,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 03:34:21,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 03:34:21,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 03:34:21,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 03:34:21,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 03:34:21,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 03:34:21,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 03:34:21,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 03:34:21,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 03:34:21,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 03:34:21,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 03:34:21,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 03:34:21,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 03:34:21,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 03:34:21,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 03:34:21,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 03:34:21,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 03:34:21,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 03:34:21,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 03:34:21,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 03:34:21,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 03:34:21,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 03:34:21,979 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 [2020-11-12 03:34:22,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 03:34:22,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 03:34:22,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 03:34:22,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 03:34:22,048 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 03:34:22,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 03:34:22,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 03:34:22,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 03:34:22,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 03:34:22,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 03:34:22,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 03:34:22,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 03:34:22,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 03:34:22,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 03:34:22,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 03:34:22,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 03:34:22,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 03:34:22,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 03:34:22,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 03:34:22,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 03:34:22,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 03:34:22,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:34:22,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 03:34:22,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 03:34:22,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 03:34:22,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 03:34:22,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 03:34:22,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 03:34:22,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 03:34:22,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 03:34:22,056 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 03:34:22,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 03:34:22,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 03:34:22,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 03:34:22,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 03:34:22,563 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 03:34:22,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2020-11-12 03:34:22,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece3b26fb/61003fbd26944e19bebac6259d5803ff/FLAG6ef3fdee1 [2020-11-12 03:34:23,297 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 03:34:23,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2020-11-12 03:34:23,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece3b26fb/61003fbd26944e19bebac6259d5803ff/FLAG6ef3fdee1 [2020-11-12 03:34:23,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece3b26fb/61003fbd26944e19bebac6259d5803ff [2020-11-12 03:34:23,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 03:34:23,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 03:34:23,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 03:34:23,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 03:34:23,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 03:34:23,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:34:23" (1/1) ... [2020-11-12 03:34:23,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ff549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:23, skipping insertion in model container [2020-11-12 03:34:23,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:34:23" (1/1) ... [2020-11-12 03:34:23,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 03:34:23,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 03:34:23,997 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:34:24,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:34:24,265 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 03:34:24,296 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:34:24,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:34:24,450 INFO L208 MainTranslator]: Completed translation [2020-11-12 03:34:24,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24 WrapperNode [2020-11-12 03:34:24,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 03:34:24,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 03:34:24,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 03:34:24,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 03:34:24,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 03:34:24,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 03:34:24,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 03:34:24,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 03:34:24,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... [2020-11-12 03:34:24,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 03:34:24,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 03:34:24,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 03:34:24,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 03:34:24,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:34:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 03:34:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-11-12 03:34:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-11-12 03:34:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-12 03:34:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 03:34:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 03:34:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 03:34:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 03:34:24,670 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 03:34:25,307 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 03:34:25,308 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-12 03:34:25,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:34:25 BoogieIcfgContainer [2020-11-12 03:34:25,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 03:34:25,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 03:34:25,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 03:34:25,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 03:34:25,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:34:23" (1/3) ... [2020-11-12 03:34:25,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edb5528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:34:25, skipping insertion in model container [2020-11-12 03:34:25,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:34:24" (2/3) ... [2020-11-12 03:34:25,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edb5528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:34:25, skipping insertion in model container [2020-11-12 03:34:25,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:34:25" (3/3) ... [2020-11-12 03:34:25,321 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2020-11-12 03:34:25,342 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 03:34:25,343 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 03:34:25,347 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-12 03:34:25,348 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 03:34:25,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,425 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:34:25,493 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 03:34:25,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-12 03:34:25,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 03:34:25,553 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 03:34:25,553 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 03:34:25,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 03:34:25,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 03:34:25,554 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 03:34:25,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 03:34:25,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 03:34:25,574 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 109 transitions, 240 flow [2020-11-12 03:34:25,727 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2287 states, 2283 states have (on average 3.307928164695576) internal successors, (7552), 2286 states have internal predecessors, (7552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,363 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 632ms [2020-11-12 03:34:26,372 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 2287 states, 2283 states have (on average 3.307928164695576) internal successors, (7552), 2286 states have internal predecessors, (7552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,380 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 2287 states, 2222 states have (on average 2.5531053105310533) internal successors, (5673), 2286 states have internal predecessors, (5673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 2287 states, 2222 states have (on average 2.5531053105310533) internal successors, (5673), 2286 states have internal predecessors, (5673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 03:34:26,399 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:26,400 INFO L494 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] [2020-11-12 03:34:26,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:26,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:26,407 INFO L82 PathProgramCache]: Analyzing trace with hash -586784410, now seen corresponding path program 1 times [2020-11-12 03:34:26,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:26,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861185333] [2020-11-12 03:34:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:26,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861185333] [2020-11-12 03:34:26,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:26,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 03:34:26,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61378092] [2020-11-12 03:34:26,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 03:34:26,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:26,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 03:34:26,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:34:26,669 INFO L87 Difference]: Start difference. First operand has 2287 states, 2222 states have (on average 2.5531053105310533) internal successors, (5673), 2286 states have internal predecessors, (5673), 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 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:26,736 INFO L93 Difference]: Finished difference Result 2125 states and 4434 transitions. [2020-11-12 03:34:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 03:34:26,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 31 [2020-11-12 03:34:26,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:26,778 INFO L225 Difference]: With dead ends: 2125 [2020-11-12 03:34:26,778 INFO L226 Difference]: Without dead ends: 1846 [2020-11-12 03:34:26,780 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:34:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2020-11-12 03:34:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2020-11-12 03:34:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1834 states have (on average 2.1848418756815704) internal successors, (4007), 1845 states have internal predecessors, (4007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 4007 transitions. [2020-11-12 03:34:26,938 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 4007 transitions. Word has length 31 [2020-11-12 03:34:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:26,939 INFO L481 AbstractCegarLoop]: Abstraction has 1846 states and 4007 transitions. [2020-11-12 03:34:26,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 4007 transitions. [2020-11-12 03:34:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 03:34:26,943 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:26,943 INFO L494 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] [2020-11-12 03:34:26,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 03:34:26,943 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:26,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:26,945 INFO L82 PathProgramCache]: Analyzing trace with hash -429072540, now seen corresponding path program 1 times [2020-11-12 03:34:26,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:26,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864409743] [2020-11-12 03:34:26,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:27,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864409743] [2020-11-12 03:34:27,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:27,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:34:27,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394673402] [2020-11-12 03:34:27,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:34:27,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:27,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:34:27,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:34:27,084 INFO L87 Difference]: Start difference. First operand 1846 states and 4007 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:27,165 INFO L93 Difference]: Finished difference Result 1792 states and 3833 transitions. [2020-11-12 03:34:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:34:27,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2020-11-12 03:34:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:27,180 INFO L225 Difference]: With dead ends: 1792 [2020-11-12 03:34:27,180 INFO L226 Difference]: Without dead ends: 1540 [2020-11-12 03:34:27,181 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:34:27,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2020-11-12 03:34:27,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1447. [2020-11-12 03:34:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1435 states have (on average 2.1400696864111497) internal successors, (3071), 1446 states have internal predecessors, (3071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 3071 transitions. [2020-11-12 03:34:27,278 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 3071 transitions. Word has length 31 [2020-11-12 03:34:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:27,279 INFO L481 AbstractCegarLoop]: Abstraction has 1447 states and 3071 transitions. [2020-11-12 03:34:27,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 3071 transitions. [2020-11-12 03:34:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-12 03:34:27,282 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:27,282 INFO L494 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] [2020-11-12 03:34:27,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 03:34:27,283 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:27,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:27,284 INFO L82 PathProgramCache]: Analyzing trace with hash -397946341, now seen corresponding path program 1 times [2020-11-12 03:34:27,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:27,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592115283] [2020-11-12 03:34:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:27,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592115283] [2020-11-12 03:34:27,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:27,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:34:27,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832312956] [2020-11-12 03:34:27,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:34:27,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:27,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:34:27,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:34:27,408 INFO L87 Difference]: Start difference. First operand 1447 states and 3071 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:27,438 INFO L93 Difference]: Finished difference Result 1237 states and 2594 transitions. [2020-11-12 03:34:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:34:27,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2020-11-12 03:34:27,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:27,445 INFO L225 Difference]: With dead ends: 1237 [2020-11-12 03:34:27,445 INFO L226 Difference]: Without dead ends: 902 [2020-11-12 03:34:27,446 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:34:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-11-12 03:34:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2020-11-12 03:34:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 896 states have (on average 2.125) internal successors, (1904), 901 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1904 transitions. [2020-11-12 03:34:27,480 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1904 transitions. Word has length 34 [2020-11-12 03:34:27,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:27,480 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1904 transitions. [2020-11-12 03:34:27,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,481 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1904 transitions. [2020-11-12 03:34:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 03:34:27,484 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:27,484 INFO L494 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] [2020-11-12 03:34:27,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 03:34:27,484 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:27,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1816795650, now seen corresponding path program 1 times [2020-11-12 03:34:27,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:27,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966860305] [2020-11-12 03:34:27,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:27,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966860305] [2020-11-12 03:34:27,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:27,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:34:27,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451029713] [2020-11-12 03:34:27,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:34:27,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:27,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:34:27,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:34:27,569 INFO L87 Difference]: Start difference. First operand 902 states and 1904 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:27,697 INFO L93 Difference]: Finished difference Result 1196 states and 2561 transitions. [2020-11-12 03:34:27,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:34:27,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2020-11-12 03:34:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:27,704 INFO L225 Difference]: With dead ends: 1196 [2020-11-12 03:34:27,705 INFO L226 Difference]: Without dead ends: 887 [2020-11-12 03:34:27,705 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:34:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-11-12 03:34:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 788. [2020-11-12 03:34:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 782 states have (on average 1.9539641943734016) internal successors, (1528), 787 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1528 transitions. [2020-11-12 03:34:27,734 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1528 transitions. Word has length 45 [2020-11-12 03:34:27,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:27,735 INFO L481 AbstractCegarLoop]: Abstraction has 788 states and 1528 transitions. [2020-11-12 03:34:27,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1528 transitions. [2020-11-12 03:34:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 03:34:27,737 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:27,738 INFO L494 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] [2020-11-12 03:34:27,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 03:34:27,738 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:27,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:27,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1074503228, now seen corresponding path program 2 times [2020-11-12 03:34:27,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:27,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217064538] [2020-11-12 03:34:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:27,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217064538] [2020-11-12 03:34:27,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:27,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:34:27,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914554851] [2020-11-12 03:34:27,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:34:27,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:27,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:34:27,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:34:27,800 INFO L87 Difference]: Start difference. First operand 788 states and 1528 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:27,884 INFO L93 Difference]: Finished difference Result 1175 states and 2281 transitions. [2020-11-12 03:34:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:34:27,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2020-11-12 03:34:27,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:27,891 INFO L225 Difference]: With dead ends: 1175 [2020-11-12 03:34:27,892 INFO L226 Difference]: Without dead ends: 1148 [2020-11-12 03:34:27,892 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:34:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2020-11-12 03:34:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 854. [2020-11-12 03:34:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 848 states have (on average 1.9610849056603774) internal successors, (1663), 853 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1663 transitions. [2020-11-12 03:34:27,921 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1663 transitions. Word has length 45 [2020-11-12 03:34:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:27,922 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 1663 transitions. [2020-11-12 03:34:27,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1663 transitions. [2020-11-12 03:34:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 03:34:27,924 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:34:27,924 INFO L494 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] [2020-11-12 03:34:27,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 03:34:27,925 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:34:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:34:27,925 INFO L82 PathProgramCache]: Analyzing trace with hash 370199656, now seen corresponding path program 3 times [2020-11-12 03:34:27,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:34:27,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131941268] [2020-11-12 03:34:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:34:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:34:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:34:27,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131941268] [2020-11-12 03:34:27,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:34:27,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:34:27,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595247724] [2020-11-12 03:34:27,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:34:27,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:34:27,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:34:27,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:34:27,980 INFO L87 Difference]: Start difference. First operand 854 states and 1663 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:34:28,039 INFO L93 Difference]: Finished difference Result 617 states and 1195 transitions. [2020-11-12 03:34:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:34:28,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2020-11-12 03:34:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:34:28,043 INFO L225 Difference]: With dead ends: 617 [2020-11-12 03:34:28,043 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 03:34:28,043 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:34:28,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 03:34:28,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 03:34:28,046 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) [2020-11-12 03:34:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 03:34:28,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2020-11-12 03:34:28,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:34:28,047 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 03:34:28,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:34:28,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 03:34:28,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 03:34:28,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 03:34:28,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 03:34:28 BasicIcfg [2020-11-12 03:34:28,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 03:34:28,062 INFO L168 Benchmark]: Toolchain (without parser) took 4458.50 ms. Allocated memory was 302.0 MB in the beginning and 367.0 MB in the end (delta: 65.0 MB). Free memory was 276.5 MB in the beginning and 229.1 MB in the end (delta: 47.5 MB). Peak memory consumption was 112.8 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,063 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 03:34:28,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.01 ms. Allocated memory is still 302.0 MB. Free memory was 275.8 MB in the beginning and 246.2 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,070 INFO L168 Benchmark]: Boogie Preprocessor took 62.22 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 285.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,070 INFO L168 Benchmark]: RCFGBuilder took 730.39 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 259.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,071 INFO L168 Benchmark]: TraceAbstraction took 2744.83 ms. Allocated memory was 302.0 MB in the beginning and 367.0 MB in the end (delta: 65.0 MB). Free memory was 259.8 MB in the beginning and 229.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 95.8 MB. Max. memory is 16.0 GB. [2020-11-12 03:34:28,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 840.01 ms. Allocated memory is still 302.0 MB. Free memory was 275.8 MB in the beginning and 246.2 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 62.22 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 285.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * RCFGBuilder took 730.39 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 259.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2744.83 ms. Allocated memory was 302.0 MB in the beginning and 367.0 MB in the end (delta: 65.0 MB). Free memory was 259.8 MB in the beginning and 229.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 95.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, HoareTripleCheckerStatistics: 600 SDtfs, 298 SDslu, 490 SDs, 0 SdLazy, 138 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2287occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 486 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 10495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...