/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 14:52:43,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 14:52:43,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 14:52:43,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 14:52:43,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 14:52:43,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 14:52:43,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 14:52:43,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 14:52:43,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 14:52:43,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 14:52:43,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 14:52:43,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 14:52:43,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 14:52:43,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 14:52:43,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 14:52:43,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 14:52:43,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 14:52:43,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 14:52:43,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 14:52:43,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 14:52:43,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 14:52:43,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 14:52:43,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 14:52:43,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 14:52:43,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 14:52:43,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 14:52:43,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 14:52:43,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 14:52:43,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 14:52:43,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 14:52:43,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 14:52:43,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 14:52:43,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 14:52:43,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 14:52:43,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 14:52:43,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 14:52:43,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-11-09 14:52:43,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 14:52:43,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 14:52:43,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 14:52:43,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 14:52:43,757 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 14:52:43,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 14:52:43,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 14:52:43,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 14:52:43,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 14:52:43,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 14:52:43,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 14:52:43,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 14:52:43,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 14:52:43,759 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 14:52:43,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 14:52:43,759 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 14:52:43,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 14:52:43,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 14:52:43,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 14:52:43,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 14:52:43,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 14:52:43,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 14:52:43,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 14:52:43,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 14:52:43,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 14:52:43,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 14:52:43,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 14:52:43,761 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 14:52:43,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 14:52:43,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 14:52:43,762 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 14:52:44,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 14:52:44,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 14:52:44,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 14:52:44,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 14:52:44,169 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 14:52:44,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-11-09 14:52:44,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f114bc34a/1a2881bd740b47f6b73c8163791702ac/FLAG3170dc1ff [2020-11-09 14:52:45,111 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 14:52:45,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-11-09 14:52:45,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f114bc34a/1a2881bd740b47f6b73c8163791702ac/FLAG3170dc1ff [2020-11-09 14:52:45,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f114bc34a/1a2881bd740b47f6b73c8163791702ac [2020-11-09 14:52:45,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 14:52:45,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 14:52:45,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 14:52:45,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 14:52:45,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 14:52:45,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:52:45" (1/1) ... [2020-11-09 14:52:45,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e23d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:45, skipping insertion in model container [2020-11-09 14:52:45,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:52:45" (1/1) ... [2020-11-09 14:52:45,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 14:52:45,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 14:52:45,591 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 14:52:45,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:52:45,825 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 14:52:45,846 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 14:52:45,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:52:46,020 INFO L208 MainTranslator]: Completed translation [2020-11-09 14:52:46,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46 WrapperNode [2020-11-09 14:52:46,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 14:52:46,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 14:52:46,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 14:52:46,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 14:52:46,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 14:52:46,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 14:52:46,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 14:52:46,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 14:52:46,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (1/1) ... [2020-11-09 14:52:46,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 14:52:46,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 14:52:46,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 14:52:46,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 14:52:46,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (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 [2020-11-09 14:52:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 14:52:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 14:52:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 14:52:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-11-09 14:52:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-11-09 14:52:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 14:52:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 14:52:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 14:52:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 14:52:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 14:52:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 14:52:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-11-09 14:52:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-11-09 14:52:46,207 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 14:52:46,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 14:52:46,827 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-09 14:52:46,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:52:46 BoogieIcfgContainer [2020-11-09 14:52:46,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 14:52:46,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 14:52:46,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 14:52:46,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 14:52:46,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:52:45" (1/3) ... [2020-11-09 14:52:46,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b6d521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:52:46, skipping insertion in model container [2020-11-09 14:52:46,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:46" (2/3) ... [2020-11-09 14:52:46,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b6d521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:52:46, skipping insertion in model container [2020-11-09 14:52:46,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:52:46" (3/3) ... [2020-11-09 14:52:46,839 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2020-11-09 14:52:46,858 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 14:52:46,858 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 14:52:46,863 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 14:52:46,865 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 14:52:46,917 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,918 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,918 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,918 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,918 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,919 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,920 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,920 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,920 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,920 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,922 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,922 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,922 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,922 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,924 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,924 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,924 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,927 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,927 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,928 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,930 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,930 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,930 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,930 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,931 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,931 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,931 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,931 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,932 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,932 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,932 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,933 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,933 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,935 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,935 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,935 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,935 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,936 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,936 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,936 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,936 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,936 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,937 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,937 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,937 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,938 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,938 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,938 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,938 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,941 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,941 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,941 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,942 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,942 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,942 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,942 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,942 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,943 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,953 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,954 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,954 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,954 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,954 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,954 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,958 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,959 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,959 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,959 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,959 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,960 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,960 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,960 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,960 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,964 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,965 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,965 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,965 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,966 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:46,966 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:47,001 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-11-09 14:52:47,014 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-09 14:52:47,040 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:52:47,040 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:52:47,041 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:52:47,041 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 14:52:47,041 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:52:47,041 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:52:47,041 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:52:47,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:52:47,057 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:52:47,058 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 112 transitions, 292 flow [2020-11-09 14:52:47,062 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 112 transitions, 292 flow [2020-11-09 14:52:47,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 112 transitions, 292 flow [2020-11-09 14:52:47,135 INFO L129 PetriNetUnfolder]: 21/146 cut-off events. [2020-11-09 14:52:47,136 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-11-09 14:52:47,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 146 events. 21/146 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 355 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 99. Up to 12 conditions per place. [2020-11-09 14:52:47,151 INFO L116 LiptonReduction]: Number of co-enabled transitions 3184 [2020-11-09 14:52:47,873 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2020-11-09 14:52:50,463 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 14:52:50,677 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-09 14:52:50,875 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 14:52:51,099 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-09 14:52:51,566 WARN L194 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2020-11-09 14:52:51,770 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 14:52:52,194 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2020-11-09 14:52:52,409 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 14:52:52,428 INFO L131 LiptonReduction]: Checked pairs total: 19237 [2020-11-09 14:52:52,429 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-09 14:52:52,436 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 60 transitions, 188 flow [2020-11-09 14:52:52,878 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5381 states. [2020-11-09 14:52:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 5381 states. [2020-11-09 14:52:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 14:52:52,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:52,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:52,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1237812788, now seen corresponding path program 1 times [2020-11-09 14:52:52,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:52,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841321076] [2020-11-09 14:52:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:53,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841321076] [2020-11-09 14:52:53,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:53,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:53,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2033226466] [2020-11-09 14:52:53,152 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:53,155 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:53,172 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 14:52:53,172 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:53,177 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:53,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 14:52:53,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:53,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 14:52:53,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 14:52:53,201 INFO L87 Difference]: Start difference. First operand 5381 states. Second operand 4 states. [2020-11-09 14:52:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:53,634 INFO L93 Difference]: Finished difference Result 11984 states and 38574 transitions. [2020-11-09 14:52:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:52:53,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-09 14:52:53,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:53,738 INFO L225 Difference]: With dead ends: 11984 [2020-11-09 14:52:53,738 INFO L226 Difference]: Without dead ends: 8141 [2020-11-09 14:52:53,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:52:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2020-11-09 14:52:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 4988. [2020-11-09 14:52:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-11-09 14:52:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 16895 transitions. [2020-11-09 14:52:54,192 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 16895 transitions. Word has length 8 [2020-11-09 14:52:54,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:54,192 INFO L481 AbstractCegarLoop]: Abstraction has 4988 states and 16895 transitions. [2020-11-09 14:52:54,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 14:52:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 16895 transitions. [2020-11-09 14:52:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 14:52:54,195 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:54,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:54,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 14:52:54,196 INFO L429 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:54,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:54,197 INFO L82 PathProgramCache]: Analyzing trace with hash -167867735, now seen corresponding path program 1 times [2020-11-09 14:52:54,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:54,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959476797] [2020-11-09 14:52:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:54,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959476797] [2020-11-09 14:52:54,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:54,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:54,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1730045220] [2020-11-09 14:52:54,339 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:54,340 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:54,342 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 14:52:54,342 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:54,350 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:54,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 14:52:54,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:54,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 14:52:54,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 14:52:54,353 INFO L87 Difference]: Start difference. First operand 4988 states and 16895 transitions. Second operand 4 states. [2020-11-09 14:52:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:54,462 INFO L93 Difference]: Finished difference Result 7484 states and 22252 transitions. [2020-11-09 14:52:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 14:52:54,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-09 14:52:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:54,519 INFO L225 Difference]: With dead ends: 7484 [2020-11-09 14:52:54,520 INFO L226 Difference]: Without dead ends: 7324 [2020-11-09 14:52:54,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 14:52:54,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2020-11-09 14:52:54,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 5320. [2020-11-09 14:52:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5320 states. [2020-11-09 14:52:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 16365 transitions. [2020-11-09 14:52:54,885 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 16365 transitions. Word has length 10 [2020-11-09 14:52:54,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:54,886 INFO L481 AbstractCegarLoop]: Abstraction has 5320 states and 16365 transitions. [2020-11-09 14:52:54,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 14:52:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 16365 transitions. [2020-11-09 14:52:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 14:52:54,891 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:54,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:54,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 14:52:54,891 INFO L429 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:54,892 INFO L82 PathProgramCache]: Analyzing trace with hash -893836895, now seen corresponding path program 2 times [2020-11-09 14:52:54,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:54,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462888967] [2020-11-09 14:52:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:54,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462888967] [2020-11-09 14:52:54,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:54,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:54,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1394874904] [2020-11-09 14:52:54,965 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:54,966 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:54,967 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 14:52:54,968 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:54,981 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:54,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:52:54,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:54,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:52:54,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:54,985 INFO L87 Difference]: Start difference. First operand 5320 states and 16365 transitions. Second operand 3 states. [2020-11-09 14:52:55,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:55,021 INFO L93 Difference]: Finished difference Result 2336 states and 5746 transitions. [2020-11-09 14:52:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:52:55,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 14:52:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:55,048 INFO L225 Difference]: With dead ends: 2336 [2020-11-09 14:52:55,053 INFO L226 Difference]: Without dead ends: 2272 [2020-11-09 14:52:55,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-11-09 14:52:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2020-11-09 14:52:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2020-11-09 14:52:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 5612 transitions. [2020-11-09 14:52:55,149 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 5612 transitions. Word has length 10 [2020-11-09 14:52:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:55,149 INFO L481 AbstractCegarLoop]: Abstraction has 2272 states and 5612 transitions. [2020-11-09 14:52:55,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:52:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 5612 transitions. [2020-11-09 14:52:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 14:52:55,152 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:55,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:55,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 14:52:55,153 INFO L429 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:55,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1642581076, now seen corresponding path program 1 times [2020-11-09 14:52:55,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:55,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362580731] [2020-11-09 14:52:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:55,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362580731] [2020-11-09 14:52:55,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:55,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:55,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [378044546] [2020-11-09 14:52:55,234 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:55,235 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:55,236 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-11-09 14:52:55,236 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:55,237 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:55,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 14:52:55,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:55,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 14:52:55,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 14:52:55,238 INFO L87 Difference]: Start difference. First operand 2272 states and 5612 transitions. Second operand 4 states. [2020-11-09 14:52:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:55,330 INFO L93 Difference]: Finished difference Result 2507 states and 6115 transitions. [2020-11-09 14:52:55,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:52:55,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 14:52:55,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:55,404 INFO L225 Difference]: With dead ends: 2507 [2020-11-09 14:52:55,404 INFO L226 Difference]: Without dead ends: 1814 [2020-11-09 14:52:55,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:52:55,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-11-09 14:52:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1440. [2020-11-09 14:52:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-11-09 14:52:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 3564 transitions. [2020-11-09 14:52:55,454 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 3564 transitions. Word has length 12 [2020-11-09 14:52:55,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:55,455 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 3564 transitions. [2020-11-09 14:52:55,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 14:52:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 3564 transitions. [2020-11-09 14:52:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:52:55,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:55,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:55,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 14:52:55,458 INFO L429 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:55,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:55,459 INFO L82 PathProgramCache]: Analyzing trace with hash 583388612, now seen corresponding path program 1 times [2020-11-09 14:52:55,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:55,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404803628] [2020-11-09 14:52:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:55,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404803628] [2020-11-09 14:52:55,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:55,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 14:52:55,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1554974775] [2020-11-09 14:52:55,562 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:55,568 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:55,575 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 65 transitions. [2020-11-09 14:52:55,575 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:55,643 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [63249#(not (= ~r~0 0))] [2020-11-09 14:52:55,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 14:52:55,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:55,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 14:52:55,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 14:52:55,645 INFO L87 Difference]: Start difference. First operand 1440 states and 3564 transitions. Second operand 6 states. [2020-11-09 14:52:55,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:55,693 INFO L93 Difference]: Finished difference Result 1734 states and 4180 transitions. [2020-11-09 14:52:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:52:55,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-11-09 14:52:55,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:55,698 INFO L225 Difference]: With dead ends: 1734 [2020-11-09 14:52:55,699 INFO L226 Difference]: Without dead ends: 1508 [2020-11-09 14:52:55,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 14:52:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-11-09 14:52:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1376. [2020-11-09 14:52:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2020-11-09 14:52:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 3414 transitions. [2020-11-09 14:52:55,747 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 3414 transitions. Word has length 19 [2020-11-09 14:52:55,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:55,747 INFO L481 AbstractCegarLoop]: Abstraction has 1376 states and 3414 transitions. [2020-11-09 14:52:55,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 14:52:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 3414 transitions. [2020-11-09 14:52:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:52:55,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:55,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:55,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 14:52:55,749 INFO L429 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:52:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:55,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1133765802, now seen corresponding path program 2 times [2020-11-09 14:52:55,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:55,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749423938] [2020-11-09 14:52:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:55,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749423938] [2020-11-09 14:52:55,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:55,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 14:52:55,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1553111597] [2020-11-09 14:52:55,835 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:55,839 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:55,846 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 76 transitions. [2020-11-09 14:52:55,846 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:55,918 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [67741#(not (= ~r~0 0)), 67742#(not (= ~r~0 1))] [2020-11-09 14:52:55,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:52:55,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:55,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:52:55,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:52:55,922 INFO L87 Difference]: Start difference. First operand 1376 states and 3414 transitions. Second operand 7 states. [2020-11-09 14:52:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:55,966 INFO L93 Difference]: Finished difference Result 530 states and 1160 transitions. [2020-11-09 14:52:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:52:55,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:52:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:55,968 INFO L225 Difference]: With dead ends: 530 [2020-11-09 14:52:55,968 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 14:52:55,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:52:55,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 14:52:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 14:52:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 14:52:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 14:52:55,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-09 14:52:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:55,969 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 14:52:55,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:52:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 14:52:55,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 14:52:55,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 14:52:55,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:52:55 BasicIcfg [2020-11-09 14:52:55,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 14:52:55,978 INFO L168 Benchmark]: Toolchain (without parser) took 10667.80 ms. Allocated memory was 151.0 MB in the beginning and 278.9 MB in the end (delta: 127.9 MB). Free memory was 124.2 MB in the beginning and 95.4 MB in the end (delta: 28.7 MB). Peak memory consumption was 157.7 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,979 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 14:52:55,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 129.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.76 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 127.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,987 INFO L168 Benchmark]: Boogie Preprocessor took 31.03 ms. Allocated memory is still 151.0 MB. Free memory was 127.6 MB in the beginning and 126.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,988 INFO L168 Benchmark]: RCFGBuilder took 716.79 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 96.2 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,989 INFO L168 Benchmark]: TraceAbstraction took 9143.32 ms. Allocated memory was 151.0 MB in the beginning and 278.9 MB in the end (delta: 127.9 MB). Free memory was 95.7 MB in the beginning and 95.4 MB in the end (delta: 238.1 kB). Peak memory consumption was 128.7 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:55,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 701.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 129.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.76 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 127.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.03 ms. Allocated memory is still 151.0 MB. Free memory was 127.6 MB in the beginning and 126.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 716.79 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 96.2 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9143.32 ms. Allocated memory was 151.0 MB in the beginning and 278.9 MB in the end (delta: 127.9 MB). Free memory was 95.7 MB in the beginning and 95.4 MB in the end (delta: 238.1 kB). Peak memory consumption was 128.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1931 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 518 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.3s, 109 PlacesBefore, 58 PlacesAfterwards, 112 TransitionsBefore, 60 TransitionsAfterwards, 3184 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 19237 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 472 SDtfs, 469 SDslu, 553 SDs, 0 SdLazy, 152 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5381occurred 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: 0.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 5663 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 2276 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...