/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-wmm/safe007_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:24:19,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:24:19,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:24:19,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:24:19,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:24:19,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:24:19,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:24:19,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:24:19,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:24:19,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:24:19,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:24:19,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:24:19,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:24:19,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:24:19,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:24:19,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:24:19,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:24:19,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:24:19,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:24:19,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:24:19,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:24:19,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:24:19,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:24:19,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:24:19,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:24:19,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:24:19,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:24:19,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:24:19,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:24:19,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:24:19,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:24:19,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:24:19,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:24:19,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:24:19,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:24:19,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:24:19,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:24:19,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:24:19,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:24:19,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:24:19,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:24:19,741 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 [2019-12-28 04:24:19,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:24:19,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:24:19,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:24:19,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:24:19,757 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:24:19,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:24:19,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:24:19,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:24:19,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:24:19,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:24:19,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:24:19,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:24:19,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:24:19,759 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:24:19,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:24:19,759 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:24:19,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:24:19,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:24:19,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:24:19,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:24:19,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:24:19,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:24:19,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:24:19,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:24:19,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:24:19,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:24:19,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:24:19,762 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:24:19,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:24:19,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:24:19,762 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:24:19,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:24:20,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:24:20,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:24:20,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:24:20,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:24:20,040 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:24:20,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2019-12-28 04:24:20,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b8790dc/0eb251e03338421d85083b9283b3bbfa/FLAGad142dc26 [2019-12-28 04:24:20,637 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:24:20,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2019-12-28 04:24:20,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b8790dc/0eb251e03338421d85083b9283b3bbfa/FLAGad142dc26 [2019-12-28 04:24:20,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b8790dc/0eb251e03338421d85083b9283b3bbfa [2019-12-28 04:24:20,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:24:20,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:24:20,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:24:20,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:24:20,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:24:20,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:24:20" (1/1) ... [2019-12-28 04:24:20,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f84663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:20, skipping insertion in model container [2019-12-28 04:24:20,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:24:20" (1/1) ... [2019-12-28 04:24:20,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:24:21,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:24:21,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:24:21,548 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:24:21,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:24:21,707 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:24:21,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21 WrapperNode [2019-12-28 04:24:21,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:24:21,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:24:21,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:24:21,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:24:21,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:24:21,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:24:21,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:24:21,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:24:21,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (1/1) ... [2019-12-28 04:24:21,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:24:21,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:24:21,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:24:21,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:24:21,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (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 [2019-12-28 04:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:24:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:24:21,859 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:24:22,206 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:24:22,207 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:24:22,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:22 BoogieIcfgContainer [2019-12-28 04:24:22,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:24:22,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:24:22,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:24:22,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:24:22,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:24:20" (1/3) ... [2019-12-28 04:24:22,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a1f6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:22, skipping insertion in model container [2019-12-28 04:24:22,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:21" (2/3) ... [2019-12-28 04:24:22,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a1f6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:22, skipping insertion in model container [2019-12-28 04:24:22,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:22" (3/3) ... [2019-12-28 04:24:22,216 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_tso.opt.i [2019-12-28 04:24:22,224 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:24:22,224 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:24:22,231 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:24:22,232 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:24:22,261 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,261 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,262 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,264 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,264 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,264 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,265 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,266 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,267 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,267 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,267 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,267 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,268 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,269 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,272 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,273 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,273 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,273 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,280 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,280 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,281 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,281 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,295 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,296 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,296 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,296 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:22,317 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:24:22,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:24:22,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:24:22,341 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:24:22,342 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:24:22,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:24:22,343 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:24:22,343 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:24:22,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:24:22,353 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions [2019-12-28 04:24:22,439 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-12-28 04:24:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-12-28 04:24:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:24:22,460 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:22,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:22,462 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:22,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:22,469 INFO L82 PathProgramCache]: Analyzing trace with hash 100870604, now seen corresponding path program 1 times [2019-12-28 04:24:22,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:22,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331329627] [2019-12-28 04:24:22,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:22,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331329627] [2019-12-28 04:24:22,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:22,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:24:22,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1410664599] [2019-12-28 04:24:22,971 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:22,982 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:23,006 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 04:24:23,006 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:23,010 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:23,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:24:23,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:23,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:24:23,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:24:23,026 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-12-28 04:24:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:23,145 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-12-28 04:24:23,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:24:23,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-28 04:24:23,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:23,173 INFO L225 Difference]: With dead ends: 1296 [2019-12-28 04:24:23,173 INFO L226 Difference]: Without dead ends: 602 [2019-12-28 04:24:23,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:24:23,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-28 04:24:23,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-28 04:24:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-28 04:24:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-12-28 04:24:23,278 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-12-28 04:24:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:23,279 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-12-28 04:24:23,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:24:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-12-28 04:24:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:24:23,285 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:23,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:23,285 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:23,289 INFO L82 PathProgramCache]: Analyzing trace with hash -471697472, now seen corresponding path program 1 times [2019-12-28 04:24:23,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:23,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815169735] [2019-12-28 04:24:23,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:23,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815169735] [2019-12-28 04:24:23,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:23,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:24:23,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2011647242] [2019-12-28 04:24:23,448 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:23,452 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:23,457 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:24:23,457 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:23,459 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:23,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:24:23,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:23,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:24:23,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:24:23,461 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-12-28 04:24:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:23,539 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-12-28 04:24:23,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:24:23,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-28 04:24:23,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:23,545 INFO L225 Difference]: With dead ends: 602 [2019-12-28 04:24:23,546 INFO L226 Difference]: Without dead ends: 539 [2019-12-28 04:24:23,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:24:23,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-28 04:24:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-12-28 04:24:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-12-28 04:24:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-12-28 04:24:23,577 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-12-28 04:24:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:23,578 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-12-28 04:24:23,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:24:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-12-28 04:24:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:24:23,580 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:23,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:23,581 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:23,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:23,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1145104615, now seen corresponding path program 1 times [2019-12-28 04:24:23,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:23,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396078803] [2019-12-28 04:24:23,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:23,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396078803] [2019-12-28 04:24:23,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:23,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:24:23,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2081647339] [2019-12-28 04:24:23,746 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:23,750 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:23,756 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:24:23,757 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:23,757 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:23,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:24:23,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:24:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:24:23,759 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-12-28 04:24:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:23,852 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-12-28 04:24:23,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:24:23,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-28 04:24:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:23,856 INFO L225 Difference]: With dead ends: 404 [2019-12-28 04:24:23,856 INFO L226 Difference]: Without dead ends: 350 [2019-12-28 04:24:23,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:24:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-28 04:24:23,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-12-28 04:24:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-28 04:24:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-12-28 04:24:23,870 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-12-28 04:24:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:23,871 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-12-28 04:24:23,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:24:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-12-28 04:24:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:23,873 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:23,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:23,873 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:23,874 INFO L82 PathProgramCache]: Analyzing trace with hash 608973843, now seen corresponding path program 1 times [2019-12-28 04:24:23,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:23,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350439391] [2019-12-28 04:24:23,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:24,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350439391] [2019-12-28 04:24:24,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:24,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:24,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [889809466] [2019-12-28 04:24:24,089 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:24,094 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:24,103 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 59 transitions. [2019-12-28 04:24:24,104 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:24,104 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:24,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:24,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:24,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:24,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:24,106 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 8 states. [2019-12-28 04:24:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:24,240 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-12-28 04:24:24,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:24:24,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:24,244 INFO L225 Difference]: With dead ends: 521 [2019-12-28 04:24:24,244 INFO L226 Difference]: Without dead ends: 278 [2019-12-28 04:24:24,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-28 04:24:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-12-28 04:24:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-12-28 04:24:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-12-28 04:24:24,281 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-12-28 04:24:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:24,282 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-12-28 04:24:24,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-12-28 04:24:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:24,283 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:24,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:24,284 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:24,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1362281377, now seen corresponding path program 2 times [2019-12-28 04:24:24,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:24,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817409086] [2019-12-28 04:24:24,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:24,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817409086] [2019-12-28 04:24:24,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:24,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:24,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1606540870] [2019-12-28 04:24:24,477 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:24,481 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:24,487 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 43 transitions. [2019-12-28 04:24:24,491 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:24,492 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:24,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:24,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:24,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:24,500 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 8 states. [2019-12-28 04:24:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:24,632 INFO L93 Difference]: Finished difference Result 440 states and 1186 transitions. [2019-12-28 04:24:24,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:24:24,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:24,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:24,636 INFO L225 Difference]: With dead ends: 440 [2019-12-28 04:24:24,636 INFO L226 Difference]: Without dead ends: 254 [2019-12-28 04:24:24,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-28 04:24:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2019-12-28 04:24:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-12-28 04:24:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 673 transitions. [2019-12-28 04:24:24,645 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 673 transitions. Word has length 35 [2019-12-28 04:24:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:24,646 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 673 transitions. [2019-12-28 04:24:24,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 673 transitions. [2019-12-28 04:24:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:24,648 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:24,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:24:24,649 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:24,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:24,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1957742869, now seen corresponding path program 3 times [2019-12-28 04:24:24,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:24,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741255252] [2019-12-28 04:24:24,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:24,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741255252] [2019-12-28 04:24:24,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:24,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:24,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [91047083] [2019-12-28 04:24:24,835 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:24,841 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:24,846 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 36 states and 35 transitions. [2019-12-28 04:24:24,847 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:24,847 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:24,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:24,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:24,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:24,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:24,849 INFO L87 Difference]: Start difference. First operand 254 states and 673 transitions. Second operand 8 states. [2019-12-28 04:24:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:24,934 INFO L93 Difference]: Finished difference Result 200 states and 511 transitions. [2019-12-28 04:24:24,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:24:24,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:24,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:24,935 INFO L225 Difference]: With dead ends: 200 [2019-12-28 04:24:24,935 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:24:24,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:24:24,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:24:24,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:24:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:24:24,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-12-28 04:24:24,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:24,937 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:24:24,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:24:24,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:24:24,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:24:24 BasicIcfg [2019-12-28 04:24:24,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:24:24,951 INFO L168 Benchmark]: Toolchain (without parser) took 3999.42 ms. Allocated memory was 137.4 MB in the beginning and 251.7 MB in the end (delta: 114.3 MB). Free memory was 100.4 MB in the beginning and 129.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,952 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.11 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 157.7 MB in the end (delta: -57.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.48 ms. Allocated memory is still 202.9 MB. Free memory was 157.7 MB in the beginning and 155.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,962 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 ms. Allocated memory is still 202.9 MB. Free memory was 155.6 MB in the beginning and 154.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,962 INFO L168 Benchmark]: RCFGBuilder took 410.32 ms. Allocated memory is still 202.9 MB. Free memory was 154.3 MB in the beginning and 133.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,963 INFO L168 Benchmark]: TraceAbstraction took 2736.92 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 133.3 MB in the beginning and 129.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:24,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.11 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 157.7 MB in the end (delta: -57.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.48 ms. Allocated memory is still 202.9 MB. Free memory was 157.7 MB in the beginning and 155.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 202.9 MB. Free memory was 155.6 MB in the beginning and 154.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.32 ms. Allocated memory is still 202.9 MB. Free memory was 154.3 MB in the beginning and 133.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2736.92 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 133.3 MB in the beginning and 129.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 4 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 367 SDslu, 764 SDs, 0 SdLazy, 113 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 21102 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...