/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-MCR.epf -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:36:28,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:36:28,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:36:28,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:36:28,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:36:28,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:36:28,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:36:28,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:36:28,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:36:28,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:36:28,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:36:28,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:36:28,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:36:28,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:36:28,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:36:28,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:36:28,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:36:28,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:36:28,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:36:28,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:36:28,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:36:28,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:36:28,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:36:28,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:36:28,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 23:36:28,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 23:36:28,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 23:36:28,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 23:36:28,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 23:36:28,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 23:36:28,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:36:28,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:36:28,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:36:28,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:36:28,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:36:28,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:36:28,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:36:28,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:36:28,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:36:28,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:36:28,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:36:28,803 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-MCR.epf [2019-12-27 23:36:28,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:36:28,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:36:28,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:36:28,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:36:28,823 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:36:28,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:36:28,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:36:28,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:36:28,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:36:28,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:36:28,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:36:28,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:36:28,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:36:28,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:36:28,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:36:28,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:36:28,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:36:28,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:36:28,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:36:28,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:36:28,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:36:28,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:36:28,829 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:36:28,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:36:28,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:36:28,831 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:36:28,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:36:29,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:36:29,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:36:29,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:36:29,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:36:29,120 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:36:29,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2019-12-27 23:36:29,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291e93c09/f3dde651d27847c8973ce7217744365c/FLAGbe185373f [2019-12-27 23:36:29,701 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:36:29,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2019-12-27 23:36:29,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291e93c09/f3dde651d27847c8973ce7217744365c/FLAGbe185373f [2019-12-27 23:36:30,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291e93c09/f3dde651d27847c8973ce7217744365c [2019-12-27 23:36:30,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:36:30,022 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:36:30,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:36:30,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:36:30,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:36:30,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753144ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30, skipping insertion in model container [2019-12-27 23:36:30,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:36:30,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:36:30,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:36:30,543 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:36:30,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:36:30,710 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:36:30,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30 WrapperNode [2019-12-27 23:36:30,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:36:30,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:36:30,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:36:30,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:36:30,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:36:30,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:36:30,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:36:30,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:36:30,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (1/1) ... [2019-12-27 23:36:30,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:36:30,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:36:30,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:36:30,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:36:30,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (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 [2019-12-27 23:36:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 23:36:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 23:36:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:36:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:36:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:36:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:36:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:36:30,886 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 23:36:31,028 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2019-12-27 23:36:31,113 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2019-12-27 23:36:31,203 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:36:31,204 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 23:36:31,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:36:31 BoogieIcfgContainer [2019-12-27 23:36:31,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:36:31,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:36:31,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:36:31,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:36:31,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:36:30" (1/3) ... [2019-12-27 23:36:31,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151bdcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:36:31, skipping insertion in model container [2019-12-27 23:36:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:36:30" (2/3) ... [2019-12-27 23:36:31,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151bdcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:36:31, skipping insertion in model container [2019-12-27 23:36:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:36:31" (3/3) ... [2019-12-27 23:36:31,216 INFO L109 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2019-12-27 23:36:31,226 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:36:31,226 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:36:31,233 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:36:31,234 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:36:31,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:36:31,287 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-27 23:36:31,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:36:31,309 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:36:31,309 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:36:31,309 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:36:31,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:36:31,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:36:31,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:36:31,310 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:36:31,321 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 37 transitions [2019-12-27 23:36:31,340 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 126 states. [2019-12-27 23:36:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-12-27 23:36:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 23:36:31,354 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:36:31,356 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:36:31,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:36:31,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:36:31,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1607773896, now seen corresponding path program 1 times [2019-12-27 23:36:31,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:36:31,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221362532] [2019-12-27 23:36:31,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:36:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:36:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:36:31,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221362532] [2019-12-27 23:36:31,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:36:31,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:36:31,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [716608166] [2019-12-27 23:36:31,602 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:36:31,609 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:36:31,632 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 20 transitions. [2019-12-27 23:36:31,633 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:36:31,636 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:36:31,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:36:31,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:36:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:36:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:36:31,651 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2019-12-27 23:36:31,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:36:31,701 INFO L93 Difference]: Finished difference Result 166 states and 280 transitions. [2019-12-27 23:36:31,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:36:31,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-27 23:36:31,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:36:31,710 INFO L225 Difference]: With dead ends: 166 [2019-12-27 23:36:31,711 INFO L226 Difference]: Without dead ends: 38 [2019-12-27 23:36:31,712 INFO L631 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 [2019-12-27 23:36:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-12-27 23:36:31,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-12-27 23:36:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-12-27 23:36:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-12-27 23:36:31,746 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 20 [2019-12-27 23:36:31,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:36:31,746 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-12-27 23:36:31,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:36:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-12-27 23:36:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:36:31,747 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:36:31,748 INFO L411 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] [2019-12-27 23:36:31,748 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:36:31,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:36:31,748 INFO L82 PathProgramCache]: Analyzing trace with hash -817206821, now seen corresponding path program 1 times [2019-12-27 23:36:31,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:36:31,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478233693] [2019-12-27 23:36:31,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:36:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:36:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:36:31,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478233693] [2019-12-27 23:36:31,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:36:31,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:36:31,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2115096019] [2019-12-27 23:36:31,839 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:36:31,841 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:36:31,845 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 27 states and 30 transitions. [2019-12-27 23:36:31,846 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:36:31,847 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:36:31,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:36:31,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:36:31,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:36:31,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:36:31,850 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand 3 states. [2019-12-27 23:36:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:36:31,866 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-12-27 23:36:31,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:36:31,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 23:36:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:36:31,868 INFO L225 Difference]: With dead ends: 38 [2019-12-27 23:36:31,868 INFO L226 Difference]: Without dead ends: 33 [2019-12-27 23:36:31,869 INFO L631 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 [2019-12-27 23:36:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-27 23:36:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-27 23:36:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-27 23:36:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2019-12-27 23:36:31,879 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 22 [2019-12-27 23:36:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:36:31,880 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-12-27 23:36:31,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:36:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-12-27 23:36:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:36:31,881 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:36:31,881 INFO L411 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] [2019-12-27 23:36:31,882 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:36:31,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:36:31,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1086541363, now seen corresponding path program 2 times [2019-12-27 23:36:31,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:36:31,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141076168] [2019-12-27 23:36:31,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:36:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:36:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:36:31,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141076168] [2019-12-27 23:36:31,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:36:31,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 23:36:31,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [146182988] [2019-12-27 23:36:31,983 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:36:31,987 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:36:31,990 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 24 states and 24 transitions. [2019-12-27 23:36:31,990 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:36:31,991 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:36:31,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 23:36:31,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:36:31,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 23:36:31,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:36:31,993 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 4 states. [2019-12-27 23:36:32,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:36:32,011 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-27 23:36:32,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 23:36:32,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-27 23:36:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:36:32,013 INFO L225 Difference]: With dead ends: 19 [2019-12-27 23:36:32,013 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 23:36:32,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 23:36:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 23:36:32,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 23:36:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 23:36:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 23:36:32,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-12-27 23:36:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:36:32,015 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 23:36:32,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 23:36:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 23:36:32,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 23:36:32,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:36:32 BasicIcfg [2019-12-27 23:36:32,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:36:32,023 INFO L168 Benchmark]: Toolchain (without parser) took 2000.29 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 96.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,024 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.08 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 164.0 MB in the end (delta: -61.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.11 ms. Allocated memory is still 203.4 MB. Free memory was 164.0 MB in the beginning and 162.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,027 INFO L168 Benchmark]: Boogie Preprocessor took 34.80 ms. Allocated memory is still 203.4 MB. Free memory was 162.0 MB in the beginning and 160.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,028 INFO L168 Benchmark]: RCFGBuilder took 374.23 ms. Allocated memory is still 203.4 MB. Free memory was 160.6 MB in the beginning and 143.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,029 INFO L168 Benchmark]: TraceAbstraction took 813.61 ms. Allocated memory is still 203.4 MB. Free memory was 143.1 MB in the beginning and 96.0 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-12-27 23:36:32,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.08 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 164.0 MB in the end (delta: -61.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.11 ms. Allocated memory is still 203.4 MB. Free memory was 164.0 MB in the beginning and 162.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.80 ms. Allocated memory is still 203.4 MB. Free memory was 162.0 MB in the beginning and 160.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.23 ms. Allocated memory is still 203.4 MB. Free memory was 160.6 MB in the beginning and 143.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 813.61 ms. Allocated memory is still 203.4 MB. Free memory was 143.1 MB in the beginning and 96.0 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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 2 procedures, 37 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 18 SDslu, 69 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 2037 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...