/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:08:08,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:08:08,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:08:08,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:08:08,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:08:08,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:08:08,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:08:08,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:08:08,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:08:08,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:08:08,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:08:08,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:08:08,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:08:08,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:08:08,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:08:08,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:08:08,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:08:08,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:08:08,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:08:08,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:08:08,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:08:08,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:08:08,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:08:08,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:08:08,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:08:08,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:08:08,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:08:08,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:08:08,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:08:08,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:08:08,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:08:08,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:08:08,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:08:08,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:08:08,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:08:08,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:08:08,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:08:08,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:08:08,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:08:08,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:08:08,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:08:08,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:08:08,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:08:08,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:08:08,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:08:08,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:08:08,776 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:08:08,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:08:08,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:08:08,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:08:08,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:08:08,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:08:08,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:08:08,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:08:08,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:08:08,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:08:08,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:08:08,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:08:08,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:08:08,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:08:08,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:08:08,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:08:08,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:08:08,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:08:08,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:08:08,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:08:08,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:08:08,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:08:08,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:08:08,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:08:08,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:08:09,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:08:09,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:08:09,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:08:09,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:08:09,128 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:08:09,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-21 23:08:09,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e395e62/dfef81954f0448f78d04ca5ef238a5bc/FLAGb9d22ab3e [2020-10-21 23:08:09,661 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:08:09,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-21 23:08:09,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e395e62/dfef81954f0448f78d04ca5ef238a5bc/FLAGb9d22ab3e [2020-10-21 23:08:09,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e395e62/dfef81954f0448f78d04ca5ef238a5bc [2020-10-21 23:08:09,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:08:09,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:08:09,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:08:09,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:08:09,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:08:09,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:08:09" (1/1) ... [2020-10-21 23:08:09,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df5c773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:09, skipping insertion in model container [2020-10-21 23:08:09,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:08:09" (1/1) ... [2020-10-21 23:08:09,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:08:10,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:08:10,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:08:10,492 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:08:10,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:08:10,644 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:08:10,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10 WrapperNode [2020-10-21 23:08:10,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:08:10,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:08:10,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:08:10,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:08:10,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:08:10,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:08:10,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:08:10,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:08:10,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... [2020-10-21 23:08:10,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:08:10,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:08:10,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:08:10,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:08:10,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:08:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:08:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:08:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:08:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:08:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:08:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:08:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:08:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:08:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:08:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:08:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 23:08:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 23:08:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:08:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:08:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:08:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:08:10,801 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:08:11,256 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:08:11,256 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 23:08:11,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:08:11 BoogieIcfgContainer [2020-10-21 23:08:11,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:08:11,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:08:11,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:08:11,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:08:11,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:08:09" (1/3) ... [2020-10-21 23:08:11,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e04e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:08:11, skipping insertion in model container [2020-10-21 23:08:11,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:08:10" (2/3) ... [2020-10-21 23:08:11,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e04e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:08:11, skipping insertion in model container [2020-10-21 23:08:11,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:08:11" (3/3) ... [2020-10-21 23:08:11,268 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_tso.opt.i [2020-10-21 23:08:11,279 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:08:11,280 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:08:11,287 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:08:11,288 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:08:11,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,324 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,324 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,326 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,326 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,329 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,329 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,329 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,334 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,334 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,343 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,343 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,347 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,349 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,349 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:08:11,351 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:08:11,369 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 23:08:11,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:08:11,393 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:08:11,393 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:08:11,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:08:11,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:08:11,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:08:11,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:08:11,394 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:08:11,420 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:08:11,421 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-21 23:08:11,424 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-21 23:08:11,427 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-10-21 23:08:11,526 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-21 23:08:11,527 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:08:11,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-21 23:08:11,536 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-21 23:08:13,496 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-21 23:08:13,608 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-21 23:08:13,747 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-10-21 23:08:13,747 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-21 23:08:13,754 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-21 23:08:13,805 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-21 23:08:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-21 23:08:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:08:13,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:13,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:13,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:13,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:13,826 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-10-21 23:08:13,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:13,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063972988] [2020-10-21 23:08:13,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:14,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063972988] [2020-10-21 23:08:14,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:14,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:08:14,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769906212] [2020-10-21 23:08:14,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:08:14,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:14,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:08:14,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:08:14,114 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-21 23:08:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:14,177 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-21 23:08:14,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:08:14,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 23:08:14,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:14,206 INFO L225 Difference]: With dead ends: 670 [2020-10-21 23:08:14,207 INFO L226 Difference]: Without dead ends: 526 [2020-10-21 23:08:14,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:08:14,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-21 23:08:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-21 23:08:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-21 23:08:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-21 23:08:14,312 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-21 23:08:14,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:14,313 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-21 23:08:14,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:08:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-21 23:08:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:08:14,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:14,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:14,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:08:14,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:14,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:14,325 INFO L82 PathProgramCache]: Analyzing trace with hash -534620391, now seen corresponding path program 1 times [2020-10-21 23:08:14,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:14,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932021109] [2020-10-21 23:08:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:14,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932021109] [2020-10-21 23:08:14,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:14,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:08:14,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839564059] [2020-10-21 23:08:14,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:08:14,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:08:14,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:08:14,448 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-21 23:08:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:14,484 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-10-21 23:08:14,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:08:14,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 23:08:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:14,489 INFO L225 Difference]: With dead ends: 682 [2020-10-21 23:08:14,490 INFO L226 Difference]: Without dead ends: 394 [2020-10-21 23:08:14,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:14,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-21 23:08:14,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-21 23:08:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-21 23:08:14,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-10-21 23:08:14,513 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-10-21 23:08:14,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:14,513 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-10-21 23:08:14,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:08:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-10-21 23:08:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:08:14,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:14,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:14,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:08:14,516 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:14,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:14,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1129499006, now seen corresponding path program 1 times [2020-10-21 23:08:14,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:14,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015610909] [2020-10-21 23:08:14,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:14,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015610909] [2020-10-21 23:08:14,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:14,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:08:14,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559333387] [2020-10-21 23:08:14,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:08:14,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:14,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:08:14,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:08:14,578 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-10-21 23:08:14,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:14,586 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-10-21 23:08:14,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:08:14,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 23:08:14,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:14,590 INFO L225 Difference]: With dead ends: 376 [2020-10-21 23:08:14,590 INFO L226 Difference]: Without dead ends: 376 [2020-10-21 23:08:14,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:08:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-21 23:08:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-21 23:08:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-21 23:08:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-10-21 23:08:14,606 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-10-21 23:08:14,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:14,606 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-10-21 23:08:14,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:08:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-10-21 23:08:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:08:14,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:14,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:14,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:08:14,609 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:14,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:14,610 INFO L82 PathProgramCache]: Analyzing trace with hash -951035328, now seen corresponding path program 1 times [2020-10-21 23:08:14,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:14,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912290093] [2020-10-21 23:08:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:14,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912290093] [2020-10-21 23:08:14,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:14,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:08:14,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74823798] [2020-10-21 23:08:14,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:08:14,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:14,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:08:14,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:08:14,662 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-10-21 23:08:14,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:14,695 INFO L93 Difference]: Finished difference Result 466 states and 1398 transitions. [2020-10-21 23:08:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:08:14,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 23:08:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:14,697 INFO L225 Difference]: With dead ends: 466 [2020-10-21 23:08:14,698 INFO L226 Difference]: Without dead ends: 226 [2020-10-21 23:08:14,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-21 23:08:14,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-21 23:08:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-21 23:08:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-10-21 23:08:14,706 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-10-21 23:08:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:14,707 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-10-21 23:08:14,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:08:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-10-21 23:08:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:08:14,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:14,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:14,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:08:14,709 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:14,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-10-21 23:08:14,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:14,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082179529] [2020-10-21 23:08:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:14,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082179529] [2020-10-21 23:08:14,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:14,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:08:14,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724944866] [2020-10-21 23:08:14,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:08:14,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:14,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:08:14,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:08:14,806 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 4 states. [2020-10-21 23:08:14,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:14,852 INFO L93 Difference]: Finished difference Result 287 states and 773 transitions. [2020-10-21 23:08:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:08:14,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 23:08:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:14,854 INFO L225 Difference]: With dead ends: 287 [2020-10-21 23:08:14,854 INFO L226 Difference]: Without dead ends: 206 [2020-10-21 23:08:14,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:14,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-21 23:08:14,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-21 23:08:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-21 23:08:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 559 transitions. [2020-10-21 23:08:14,863 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 559 transitions. Word has length 14 [2020-10-21 23:08:14,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:14,863 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 559 transitions. [2020-10-21 23:08:14,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:08:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 559 transitions. [2020-10-21 23:08:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:08:14,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:14,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:14,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:08:14,887 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1148644205, now seen corresponding path program 1 times [2020-10-21 23:08:14,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:14,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139439702] [2020-10-21 23:08:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:15,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139439702] [2020-10-21 23:08:15,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:15,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:08:15,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095742498] [2020-10-21 23:08:15,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:08:15,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:15,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:08:15,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:15,004 INFO L87 Difference]: Start difference. First operand 206 states and 559 transitions. Second operand 5 states. [2020-10-21 23:08:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:15,055 INFO L93 Difference]: Finished difference Result 227 states and 565 transitions. [2020-10-21 23:08:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:08:15,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 23:08:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:15,057 INFO L225 Difference]: With dead ends: 227 [2020-10-21 23:08:15,058 INFO L226 Difference]: Without dead ends: 162 [2020-10-21 23:08:15,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:08:15,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-21 23:08:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-21 23:08:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-21 23:08:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-10-21 23:08:15,064 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 15 [2020-10-21 23:08:15,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:15,064 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-10-21 23:08:15,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:08:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-10-21 23:08:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 23:08:15,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:15,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:15,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:08:15,066 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:15,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-10-21 23:08:15,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:15,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450705351] [2020-10-21 23:08:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:15,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450705351] [2020-10-21 23:08:15,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:15,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:08:15,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125810751] [2020-10-21 23:08:15,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:08:15,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:15,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:08:15,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:08:15,152 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 6 states. [2020-10-21 23:08:15,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:15,219 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-10-21 23:08:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:08:15,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 23:08:15,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:15,221 INFO L225 Difference]: With dead ends: 158 [2020-10-21 23:08:15,222 INFO L226 Difference]: Without dead ends: 125 [2020-10-21 23:08:15,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:08:15,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-21 23:08:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-21 23:08:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-21 23:08:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-10-21 23:08:15,228 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-10-21 23:08:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:15,228 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-10-21 23:08:15,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:08:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-10-21 23:08:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:08:15,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:15,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:15,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:08:15,230 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-10-21 23:08:15,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:15,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793110369] [2020-10-21 23:08:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:15,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793110369] [2020-10-21 23:08:15,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:15,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:08:15,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135779970] [2020-10-21 23:08:15,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:08:15,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:15,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:08:15,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:08:15,345 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 7 states. [2020-10-21 23:08:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:15,427 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-10-21 23:08:15,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:08:15,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 23:08:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:15,429 INFO L225 Difference]: With dead ends: 120 [2020-10-21 23:08:15,430 INFO L226 Difference]: Without dead ends: 111 [2020-10-21 23:08:15,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:08:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-21 23:08:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-21 23:08:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-21 23:08:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-10-21 23:08:15,436 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-10-21 23:08:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:15,437 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-10-21 23:08:15,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:08:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-10-21 23:08:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 23:08:15,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:15,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:15,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:08:15,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:15,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:15,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-10-21 23:08:15,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:15,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887037623] [2020-10-21 23:08:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:15,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887037623] [2020-10-21 23:08:15,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:15,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:08:15,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739998686] [2020-10-21 23:08:15,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:08:15,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:15,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:08:15,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:08:15,475 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-10-21 23:08:15,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:15,492 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-10-21 23:08:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:08:15,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-21 23:08:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:15,493 INFO L225 Difference]: With dead ends: 144 [2020-10-21 23:08:15,493 INFO L226 Difference]: Without dead ends: 71 [2020-10-21 23:08:15,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:15,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-21 23:08:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-21 23:08:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-21 23:08:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-21 23:08:15,504 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-10-21 23:08:15,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:15,504 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-21 23:08:15,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:08:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-21 23:08:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 23:08:15,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:08:15,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:08:15,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:08:15,506 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:08:15,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:08:15,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-10-21 23:08:15,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:08:15,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334707936] [2020-10-21 23:08:15,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:08:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:08:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:08:15,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334707936] [2020-10-21 23:08:15,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:08:15,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:08:15,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858155217] [2020-10-21 23:08:15,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:08:15,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:08:15,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:08:15,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:08:15,540 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-21 23:08:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:08:15,552 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-21 23:08:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:08:15,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-21 23:08:15,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:08:15,553 INFO L225 Difference]: With dead ends: 70 [2020-10-21 23:08:15,553 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 23:08:15,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:08:15,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 23:08:15,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 23:08:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 23:08:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 23:08:15,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-21 23:08:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:08:15,555 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 23:08:15,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:08:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 23:08:15,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 23:08:15,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:08:15,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:08:15 BasicIcfg [2020-10-21 23:08:15,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:08:15,561 INFO L168 Benchmark]: Toolchain (without parser) took 5612.82 ms. Allocated memory was 143.7 MB in the beginning and 279.4 MB in the end (delta: 135.8 MB). Free memory was 101.3 MB in the beginning and 161.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,562 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.85 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 158.8 MB in the end (delta: -58.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.69 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 156.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,565 INFO L168 Benchmark]: Boogie Preprocessor took 29.15 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 154.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,565 INFO L168 Benchmark]: RCFGBuilder took 531.88 ms. Allocated memory is still 203.4 MB. Free memory was 154.8 MB in the beginning and 129.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,566 INFO L168 Benchmark]: TraceAbstraction took 4298.66 ms. Allocated memory was 203.4 MB in the beginning and 279.4 MB in the end (delta: 76.0 MB). Free memory was 128.3 MB in the beginning and 161.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:08:15,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.85 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 158.8 MB in the end (delta: -58.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.69 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 156.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.15 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 154.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 531.88 ms. Allocated memory is still 203.4 MB. Free memory was 154.8 MB in the beginning and 129.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4298.66 ms. Allocated memory was 203.4 MB in the beginning and 279.4 MB in the end (delta: 76.0 MB). Free memory was 128.3 MB in the beginning and 161.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1064 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - PositiveResult [Line: 17]: 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 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 209 SDtfs, 230 SDslu, 310 SDs, 0 SdLazy, 184 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 5533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...