/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.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:45:10,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:45:10,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:45:10,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:45:10,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:45:10,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:45:10,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:45:10,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:45:10,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:45:10,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:45:10,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:45:10,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:45:10,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:45:10,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:45:10,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:45:10,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:45:10,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:45:10,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:45:10,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:45:10,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:45:10,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:45:10,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:45:10,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:45:10,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:45:10,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 14:45:10,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 14:45:10,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 14:45:10,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 14:45:10,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 14:45:10,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 14:45:10,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:45:10,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:45:10,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:45:10,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:45:10,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:45:10,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:45:10,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:45:10,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:45:10,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:45:10,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:45:10,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:45:10,769 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.epf [2019-12-27 14:45:10,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:45:10,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:45:10,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:45:10,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:45:10,785 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:45:10,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:45:10,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:45:10,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:45:10,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:45:10,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:45:10,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:45:10,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:45:10,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:45:10,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:45:10,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:45:10,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:45:10,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:45:10,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:45:10,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:45:10,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:45:10,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:45:10,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:45:10,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:45:10,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:45:10,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:45:10,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:45:10,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:45:10,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:45:10,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:45:10,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:45:11,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:45:11,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:45:11,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:45:11,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:45:11,069 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:45:11,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2019-12-27 14:45:11,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619df8b8d/9369e82e1ecf4a1ca8c9e311ada9c141/FLAG458465b82 [2019-12-27 14:45:11,777 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:45:11,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2019-12-27 14:45:11,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619df8b8d/9369e82e1ecf4a1ca8c9e311ada9c141/FLAG458465b82 [2019-12-27 14:45:12,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619df8b8d/9369e82e1ecf4a1ca8c9e311ada9c141 [2019-12-27 14:45:12,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:45:12,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:45:12,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:45:12,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:45:12,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:45:12,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:45:12" (1/1) ... [2019-12-27 14:45:12,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a22c285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:12, skipping insertion in model container [2019-12-27 14:45:12,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:45:12" (1/1) ... [2019-12-27 14:45:12,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:45:12,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:45:12,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:45:13,014 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:45:13,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:45:13,599 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:45:13,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13 WrapperNode [2019-12-27 14:45:13,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:45:13,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:45:13,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:45:13,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:45:13,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:45:13,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:45:13,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:45:13,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:45:13,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... [2019-12-27 14:45:13,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:45:13,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:45:13,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:45:13,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:45:13,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:45:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:45:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 14:45:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 14:45:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 14:45:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:45:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:45:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2019-12-27 14:45:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2019-12-27 14:45:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:45:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:45:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 14:45:13,857 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 14:45:14,666 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:45:14,667 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-27 14:45:14,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:45:14 BoogieIcfgContainer [2019-12-27 14:45:14,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:45:14,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:45:14,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:45:14,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:45:14,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:45:12" (1/3) ... [2019-12-27 14:45:14,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e042d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:45:14, skipping insertion in model container [2019-12-27 14:45:14,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:45:13" (2/3) ... [2019-12-27 14:45:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e042d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:45:14, skipping insertion in model container [2019-12-27 14:45:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:45:14" (3/3) ... [2019-12-27 14:45:14,677 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2019-12-27 14:45:14,686 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:45:14,686 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:45:14,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-12-27 14:45:14,695 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:45:14,732 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,732 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,733 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,733 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,734 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,734 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,734 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,734 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,734 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,735 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,735 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,735 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,735 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,735 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,736 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,736 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,736 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,736 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,737 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,737 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,737 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,737 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,738 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,738 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,738 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,739 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,739 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,739 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,739 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,739 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,740 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,740 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,741 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,742 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,742 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,742 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,743 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,744 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,749 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,757 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,758 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,758 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,758 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,759 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,759 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,759 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,759 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,760 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,760 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,760 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,760 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,760 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,761 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,761 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,762 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,762 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,766 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,766 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,767 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,767 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,767 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,767 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,768 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,768 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,768 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,768 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,769 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,769 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,780 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,780 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,780 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,781 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,781 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,782 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,782 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,783 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,783 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,783 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,783 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,784 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:45:14,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-27 14:45:14,844 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:45:14,844 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:45:14,844 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:45:14,845 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:45:14,845 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:45:14,845 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:45:14,845 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:45:14,845 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:45:14,862 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 155 transitions [2019-12-27 14:45:15,230 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8625 states. [2019-12-27 14:45:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8625 states. [2019-12-27 14:45:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-27 14:45:15,245 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:15,255 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] [2019-12-27 14:45:15,255 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:15,264 INFO L82 PathProgramCache]: Analyzing trace with hash -102261256, now seen corresponding path program 1 times [2019-12-27 14:45:15,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:15,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290632746] [2019-12-27 14:45:15,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:15,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290632746] [2019-12-27 14:45:15,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:15,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:45:15,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136173478] [2019-12-27 14:45:15,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:45:15,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:15,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:45:15,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:45:15,849 INFO L87 Difference]: Start difference. First operand 8625 states. Second operand 6 states. [2019-12-27 14:45:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:16,520 INFO L93 Difference]: Finished difference Result 8628 states and 24127 transitions. [2019-12-27 14:45:16,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 14:45:16,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-27 14:45:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:16,607 INFO L225 Difference]: With dead ends: 8628 [2019-12-27 14:45:16,607 INFO L226 Difference]: Without dead ends: 7036 [2019-12-27 14:45:16,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-27 14:45:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7036 states. [2019-12-27 14:45:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7036 to 7035. [2019-12-27 14:45:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7035 states. [2019-12-27 14:45:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7035 states to 7035 states and 19594 transitions. [2019-12-27 14:45:17,068 INFO L78 Accepts]: Start accepts. Automaton has 7035 states and 19594 transitions. Word has length 32 [2019-12-27 14:45:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:17,069 INFO L462 AbstractCegarLoop]: Abstraction has 7035 states and 19594 transitions. [2019-12-27 14:45:17,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:45:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7035 states and 19594 transitions. [2019-12-27 14:45:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 14:45:17,070 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:17,070 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, 1, 1, 1] [2019-12-27 14:45:17,071 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1137045724, now seen corresponding path program 1 times [2019-12-27 14:45:17,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:17,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405227406] [2019-12-27 14:45:17,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:17,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405227406] [2019-12-27 14:45:17,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:17,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:45:17,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126341536] [2019-12-27 14:45:17,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:45:17,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:17,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:45:17,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:45:17,268 INFO L87 Difference]: Start difference. First operand 7035 states and 19594 transitions. Second operand 6 states. [2019-12-27 14:45:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:17,731 INFO L93 Difference]: Finished difference Result 7037 states and 19596 transitions. [2019-12-27 14:45:17,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 14:45:17,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-27 14:45:17,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:17,788 INFO L225 Difference]: With dead ends: 7037 [2019-12-27 14:45:17,788 INFO L226 Difference]: Without dead ends: 7037 [2019-12-27 14:45:17,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-27 14:45:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7037 states. [2019-12-27 14:45:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7037 to 7033. [2019-12-27 14:45:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7033 states. [2019-12-27 14:45:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 19592 transitions. [2019-12-27 14:45:18,018 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 19592 transitions. Word has length 38 [2019-12-27 14:45:18,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:18,019 INFO L462 AbstractCegarLoop]: Abstraction has 7033 states and 19592 transitions. [2019-12-27 14:45:18,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:45:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 19592 transitions. [2019-12-27 14:45:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-27 14:45:18,023 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:18,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:45:18,024 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:18,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:18,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1024709811, now seen corresponding path program 1 times [2019-12-27 14:45:18,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:18,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245497449] [2019-12-27 14:45:18,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:18,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245497449] [2019-12-27 14:45:18,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:18,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:45:18,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288070960] [2019-12-27 14:45:18,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:45:18,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:18,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:45:18,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:45:18,246 INFO L87 Difference]: Start difference. First operand 7033 states and 19592 transitions. Second operand 6 states. [2019-12-27 14:45:19,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:19,033 INFO L93 Difference]: Finished difference Result 10284 states and 28558 transitions. [2019-12-27 14:45:19,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 14:45:19,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-12-27 14:45:19,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:19,105 INFO L225 Difference]: With dead ends: 10284 [2019-12-27 14:45:19,105 INFO L226 Difference]: Without dead ends: 10284 [2019-12-27 14:45:19,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-12-27 14:45:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2019-12-27 14:45:19,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 7869. [2019-12-27 14:45:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7869 states. [2019-12-27 14:45:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 21924 transitions. [2019-12-27 14:45:19,402 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 21924 transitions. Word has length 56 [2019-12-27 14:45:19,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:19,403 INFO L462 AbstractCegarLoop]: Abstraction has 7869 states and 21924 transitions. [2019-12-27 14:45:19,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:45:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 21924 transitions. [2019-12-27 14:45:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-27 14:45:19,412 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:19,412 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, 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] [2019-12-27 14:45:19,412 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash 388356272, now seen corresponding path program 1 times [2019-12-27 14:45:19,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:19,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050442121] [2019-12-27 14:45:19,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:19,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050442121] [2019-12-27 14:45:19,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:19,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:45:19,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872239735] [2019-12-27 14:45:19,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:45:19,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:19,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:45:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:45:19,569 INFO L87 Difference]: Start difference. First operand 7869 states and 21924 transitions. Second operand 6 states. [2019-12-27 14:45:20,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:20,217 INFO L93 Difference]: Finished difference Result 11120 states and 30729 transitions. [2019-12-27 14:45:20,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-27 14:45:20,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-12-27 14:45:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:20,244 INFO L225 Difference]: With dead ends: 11120 [2019-12-27 14:45:20,244 INFO L226 Difference]: Without dead ends: 9331 [2019-12-27 14:45:20,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-12-27 14:45:20,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9331 states. [2019-12-27 14:45:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9331 to 9009. [2019-12-27 14:45:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9009 states. [2019-12-27 14:45:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 25112 transitions. [2019-12-27 14:45:20,497 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 25112 transitions. Word has length 62 [2019-12-27 14:45:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:20,497 INFO L462 AbstractCegarLoop]: Abstraction has 9009 states and 25112 transitions. [2019-12-27 14:45:20,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:45:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 25112 transitions. [2019-12-27 14:45:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-27 14:45:20,506 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:20,506 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, 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] [2019-12-27 14:45:20,506 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1063782838, now seen corresponding path program 1 times [2019-12-27 14:45:20,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:20,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623578450] [2019-12-27 14:45:20,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:20,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623578450] [2019-12-27 14:45:20,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:20,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:45:20,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759793558] [2019-12-27 14:45:20,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:45:20,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:20,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:45:20,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:45:20,633 INFO L87 Difference]: Start difference. First operand 9009 states and 25112 transitions. Second operand 5 states. [2019-12-27 14:45:20,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:20,725 INFO L93 Difference]: Finished difference Result 3184 states and 8602 transitions. [2019-12-27 14:45:20,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 14:45:20,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-12-27 14:45:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:20,733 INFO L225 Difference]: With dead ends: 3184 [2019-12-27 14:45:20,734 INFO L226 Difference]: Without dead ends: 3184 [2019-12-27 14:45:20,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:45:20,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2019-12-27 14:45:20,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3184. [2019-12-27 14:45:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2019-12-27 14:45:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 8602 transitions. [2019-12-27 14:45:20,813 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 8602 transitions. Word has length 70 [2019-12-27 14:45:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:20,815 INFO L462 AbstractCegarLoop]: Abstraction has 3184 states and 8602 transitions. [2019-12-27 14:45:20,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:45:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 8602 transitions. [2019-12-27 14:45:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:45:20,826 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:20,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:45:20,826 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:20,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:20,827 INFO L82 PathProgramCache]: Analyzing trace with hash -262937898, now seen corresponding path program 1 times [2019-12-27 14:45:20,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:20,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212696745] [2019-12-27 14:45:20,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:22,711 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2019-12-27 14:45:22,981 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-12-27 14:45:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:23,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212696745] [2019-12-27 14:45:23,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:23,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:45:23,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750843402] [2019-12-27 14:45:23,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:45:23,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:23,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:45:23,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:45:23,620 INFO L87 Difference]: Start difference. First operand 3184 states and 8602 transitions. Second operand 27 states. [2019-12-27 14:45:24,759 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-27 14:45:24,969 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:45:25,195 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:45:25,462 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:45:25,744 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:45:26,174 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:45:26,538 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:45:27,063 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:45:27,518 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-12-27 14:45:28,380 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-12-27 14:45:29,356 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:45:29,806 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-27 14:45:30,584 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:45:31,002 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-27 14:45:31,363 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:45:31,804 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-12-27 14:45:32,177 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-27 14:45:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:32,190 INFO L93 Difference]: Finished difference Result 9558 states and 25620 transitions. [2019-12-27 14:45:32,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-27 14:45:32,190 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:45:32,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:32,207 INFO L225 Difference]: With dead ends: 9558 [2019-12-27 14:45:32,208 INFO L226 Difference]: Without dead ends: 9558 [2019-12-27 14:45:32,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=570, Invalid=1686, Unknown=0, NotChecked=0, Total=2256 [2019-12-27 14:45:32,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9558 states. [2019-12-27 14:45:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9558 to 5012. [2019-12-27 14:45:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5012 states. [2019-12-27 14:45:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 13565 transitions. [2019-12-27 14:45:32,364 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 13565 transitions. Word has length 104 [2019-12-27 14:45:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:32,365 INFO L462 AbstractCegarLoop]: Abstraction has 5012 states and 13565 transitions. [2019-12-27 14:45:32,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:45:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 13565 transitions. [2019-12-27 14:45:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:45:32,378 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:32,378 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:45:32,379 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:32,379 INFO L82 PathProgramCache]: Analyzing trace with hash 743028928, now seen corresponding path program 2 times [2019-12-27 14:45:32,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:32,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501843694] [2019-12-27 14:45:32,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:34,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501843694] [2019-12-27 14:45:34,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:34,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:45:34,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271333962] [2019-12-27 14:45:34,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:45:34,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:34,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:45:34,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:45:34,592 INFO L87 Difference]: Start difference. First operand 5012 states and 13565 transitions. Second operand 27 states. [2019-12-27 14:45:35,791 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:45:36,019 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:45:36,271 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:45:36,561 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:45:36,975 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:45:37,340 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:45:37,896 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:45:39,332 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:45:39,701 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:45:40,166 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:45:40,981 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:45:41,335 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:45:41,742 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:45:42,010 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:45:42,306 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:45:42,667 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:45:43,020 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:45:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:43,045 INFO L93 Difference]: Finished difference Result 9872 states and 26300 transitions. [2019-12-27 14:45:43,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:45:43,045 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:45:43,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:43,056 INFO L225 Difference]: With dead ends: 9872 [2019-12-27 14:45:43,056 INFO L226 Difference]: Without dead ends: 9872 [2019-12-27 14:45:43,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:45:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2019-12-27 14:45:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 5037. [2019-12-27 14:45:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5037 states. [2019-12-27 14:45:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5037 states to 5037 states and 13623 transitions. [2019-12-27 14:45:43,206 INFO L78 Accepts]: Start accepts. Automaton has 5037 states and 13623 transitions. Word has length 104 [2019-12-27 14:45:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:43,207 INFO L462 AbstractCegarLoop]: Abstraction has 5037 states and 13623 transitions. [2019-12-27 14:45:43,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:45:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5037 states and 13623 transitions. [2019-12-27 14:45:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:45:43,222 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:43,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:45:43,223 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1037668534, now seen corresponding path program 3 times [2019-12-27 14:45:43,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:43,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717177933] [2019-12-27 14:45:43,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:44,919 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-12-27 14:45:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:45,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717177933] [2019-12-27 14:45:45,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:45,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:45:45,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732827335] [2019-12-27 14:45:45,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:45:45,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:45,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:45:45,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:45:45,467 INFO L87 Difference]: Start difference. First operand 5037 states and 13623 transitions. Second operand 27 states. [2019-12-27 14:45:46,407 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-27 14:45:46,595 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:45:46,819 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:45:47,126 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:45:47,395 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:45:47,768 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:45:48,109 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:45:49,423 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:45:49,771 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:45:50,134 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:45:50,642 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:45:51,394 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-12-27 14:45:51,714 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:45:52,021 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-12-27 14:45:52,271 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-12-27 14:45:52,546 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:45:52,884 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 14:45:53,225 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-12-27 14:45:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:45:53,242 INFO L93 Difference]: Finished difference Result 9955 states and 26482 transitions. [2019-12-27 14:45:53,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:45:53,242 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:45:53,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:45:53,251 INFO L225 Difference]: With dead ends: 9955 [2019-12-27 14:45:53,251 INFO L226 Difference]: Without dead ends: 9955 [2019-12-27 14:45:53,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=576, Invalid=1776, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:45:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9955 states. [2019-12-27 14:45:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9955 to 5087. [2019-12-27 14:45:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5087 states. [2019-12-27 14:45:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 13739 transitions. [2019-12-27 14:45:53,375 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 13739 transitions. Word has length 104 [2019-12-27 14:45:53,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:45:53,376 INFO L462 AbstractCegarLoop]: Abstraction has 5087 states and 13739 transitions. [2019-12-27 14:45:53,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:45:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 13739 transitions. [2019-12-27 14:45:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:45:53,387 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:45:53,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:45:53,388 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:45:53,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:45:53,388 INFO L82 PathProgramCache]: Analyzing trace with hash 354131704, now seen corresponding path program 4 times [2019-12-27 14:45:53,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:45:53,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254756030] [2019-12-27 14:45:53,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:45:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:45:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:45:55,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254756030] [2019-12-27 14:45:55,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:45:55,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:45:55,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179654123] [2019-12-27 14:45:55,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:45:55,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:45:55,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:45:55,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:45:55,520 INFO L87 Difference]: Start difference. First operand 5087 states and 13739 transitions. Second operand 27 states. [2019-12-27 14:45:56,638 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:45:56,909 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:45:57,165 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:45:57,441 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:45:57,811 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:45:58,255 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:45:58,633 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:45:59,096 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-12-27 14:45:59,968 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-12-27 14:46:00,939 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:46:01,384 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-27 14:46:02,291 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:46:02,654 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-27 14:46:02,981 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:46:03,354 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-12-27 14:46:03,682 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-27 14:46:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:03,695 INFO L93 Difference]: Finished difference Result 13034 states and 34720 transitions. [2019-12-27 14:46:03,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-27 14:46:03,696 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:03,707 INFO L225 Difference]: With dead ends: 13034 [2019-12-27 14:46:03,707 INFO L226 Difference]: Without dead ends: 13034 [2019-12-27 14:46:03,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=570, Invalid=1686, Unknown=0, NotChecked=0, Total=2256 [2019-12-27 14:46:03,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13034 states. [2019-12-27 14:46:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13034 to 5208. [2019-12-27 14:46:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5208 states. [2019-12-27 14:46:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 5208 states and 14091 transitions. [2019-12-27 14:46:03,855 INFO L78 Accepts]: Start accepts. Automaton has 5208 states and 14091 transitions. Word has length 104 [2019-12-27 14:46:03,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:03,856 INFO L462 AbstractCegarLoop]: Abstraction has 5208 states and 14091 transitions. [2019-12-27 14:46:03,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5208 states and 14091 transitions. [2019-12-27 14:46:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:03,870 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:03,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:03,871 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1360098530, now seen corresponding path program 5 times [2019-12-27 14:46:03,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:03,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344050265] [2019-12-27 14:46:03,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:05,437 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2019-12-27 14:46:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:05,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344050265] [2019-12-27 14:46:05,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:05,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:05,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863563103] [2019-12-27 14:46:05,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:05,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:05,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:05,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:05,971 INFO L87 Difference]: Start difference. First operand 5208 states and 14091 transitions. Second operand 27 states. [2019-12-27 14:46:07,042 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:46:07,270 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:46:07,517 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:46:07,792 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:46:08,154 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:46:08,581 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:46:08,969 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:46:10,116 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:46:10,535 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:46:10,966 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-27 14:46:11,683 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:46:12,084 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:12,427 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:46:12,690 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:46:12,989 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:13,347 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:13,694 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:46:13,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:13,713 INFO L93 Difference]: Finished difference Result 13356 states and 35408 transitions. [2019-12-27 14:46:13,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:46:13,713 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:13,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:13,726 INFO L225 Difference]: With dead ends: 13356 [2019-12-27 14:46:13,726 INFO L226 Difference]: Without dead ends: 13356 [2019-12-27 14:46:13,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:46:13,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13356 states. [2019-12-27 14:46:13,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13356 to 5098. [2019-12-27 14:46:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5098 states. [2019-12-27 14:46:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 5098 states and 13772 transitions. [2019-12-27 14:46:13,877 INFO L78 Accepts]: Start accepts. Automaton has 5098 states and 13772 transitions. Word has length 104 [2019-12-27 14:46:13,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:13,877 INFO L462 AbstractCegarLoop]: Abstraction has 5098 states and 13772 transitions. [2019-12-27 14:46:13,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 5098 states and 13772 transitions. [2019-12-27 14:46:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:13,890 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:13,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:13,891 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:13,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:13,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1730230518, now seen corresponding path program 6 times [2019-12-27 14:46:13,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:13,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586496366] [2019-12-27 14:46:13,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:16,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586496366] [2019-12-27 14:46:16,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:16,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:16,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280835703] [2019-12-27 14:46:16,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:16,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:16,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:16,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:16,099 INFO L87 Difference]: Start difference. First operand 5098 states and 13772 transitions. Second operand 27 states. [2019-12-27 14:46:17,184 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:46:17,408 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:46:17,647 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:46:17,904 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:46:18,268 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:46:18,690 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:46:19,095 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:46:19,540 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-12-27 14:46:20,119 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:46:20,575 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-12-27 14:46:21,498 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-12-27 14:46:21,889 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:22,256 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:46:23,202 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:23,551 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:46:23,886 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:46:24,232 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-12-27 14:46:24,563 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:24,873 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:46:25,218 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:25,555 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:46:25,906 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:46:26,194 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-12-27 14:46:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:26,213 INFO L93 Difference]: Finished difference Result 12364 states and 32632 transitions. [2019-12-27 14:46:26,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-12-27 14:46:26,214 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:26,225 INFO L225 Difference]: With dead ends: 12364 [2019-12-27 14:46:26,226 INFO L226 Difference]: Without dead ends: 12364 [2019-12-27 14:46:26,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=798, Invalid=2172, Unknown=0, NotChecked=0, Total=2970 [2019-12-27 14:46:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2019-12-27 14:46:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 5227. [2019-12-27 14:46:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5227 states. [2019-12-27 14:46:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 14134 transitions. [2019-12-27 14:46:26,381 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 14134 transitions. Word has length 104 [2019-12-27 14:46:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:26,381 INFO L462 AbstractCegarLoop]: Abstraction has 5227 states and 14134 transitions. [2019-12-27 14:46:26,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 14134 transitions. [2019-12-27 14:46:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:26,395 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:26,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:26,395 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:26,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:26,396 INFO L82 PathProgramCache]: Analyzing trace with hash 2136046688, now seen corresponding path program 7 times [2019-12-27 14:46:26,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:26,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602867801] [2019-12-27 14:46:26,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:28,491 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602867801] [2019-12-27 14:46:28,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:28,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:28,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553138735] [2019-12-27 14:46:28,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:28,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:28,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:28,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:28,492 INFO L87 Difference]: Start difference. First operand 5227 states and 14134 transitions. Second operand 27 states. [2019-12-27 14:46:29,485 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:46:29,694 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:46:29,928 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:46:30,179 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:46:30,523 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:46:30,926 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:46:31,303 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:46:31,959 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:46:32,782 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:46:33,273 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:46:33,682 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:34,083 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:46:35,011 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:35,355 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:46:35,610 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:46:35,954 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:46:36,297 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:36,645 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:46:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:36,659 INFO L93 Difference]: Finished difference Result 11401 states and 29837 transitions. [2019-12-27 14:46:36,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-27 14:46:36,660 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:36,670 INFO L225 Difference]: With dead ends: 11401 [2019-12-27 14:46:36,670 INFO L226 Difference]: Without dead ends: 11401 [2019-12-27 14:46:36,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=624, Invalid=1826, Unknown=0, NotChecked=0, Total=2450 [2019-12-27 14:46:36,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11401 states. [2019-12-27 14:46:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11401 to 5233. [2019-12-27 14:46:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5233 states. [2019-12-27 14:46:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 14149 transitions. [2019-12-27 14:46:36,791 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 14149 transitions. Word has length 104 [2019-12-27 14:46:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:36,791 INFO L462 AbstractCegarLoop]: Abstraction has 5233 states and 14149 transitions. [2019-12-27 14:46:36,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 14149 transitions. [2019-12-27 14:46:36,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:36,801 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:36,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:36,802 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:36,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1055497912, now seen corresponding path program 8 times [2019-12-27 14:46:36,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:36,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80192355] [2019-12-27 14:46:36,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:38,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80192355] [2019-12-27 14:46:38,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:38,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:38,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90147194] [2019-12-27 14:46:38,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:38,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:38,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:38,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:38,855 INFO L87 Difference]: Start difference. First operand 5233 states and 14149 transitions. Second operand 27 states. [2019-12-27 14:46:39,942 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:46:40,171 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:46:40,429 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:46:40,694 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:46:41,045 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:46:41,470 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:46:42,752 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:46:43,072 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:46:43,494 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:46:44,018 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:46:44,945 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:46:45,270 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:46:45,688 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-12-27 14:46:45,932 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-12-27 14:46:46,218 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:46:46,549 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:46:46,852 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:46:46,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:46,867 INFO L93 Difference]: Finished difference Result 11099 states and 29051 transitions. [2019-12-27 14:46:46,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:46:46,867 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:46,877 INFO L225 Difference]: With dead ends: 11099 [2019-12-27 14:46:46,877 INFO L226 Difference]: Without dead ends: 11099 [2019-12-27 14:46:46,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=576, Invalid=1776, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:46:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11099 states. [2019-12-27 14:46:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11099 to 5235. [2019-12-27 14:46:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5235 states. [2019-12-27 14:46:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 14154 transitions. [2019-12-27 14:46:46,989 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 14154 transitions. Word has length 104 [2019-12-27 14:46:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:46,989 INFO L462 AbstractCegarLoop]: Abstraction has 5235 states and 14154 transitions. [2019-12-27 14:46:46,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 14154 transitions. [2019-12-27 14:46:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:46,999 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:46,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:46,999 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:47,000 INFO L82 PathProgramCache]: Analyzing trace with hash -532321544, now seen corresponding path program 9 times [2019-12-27 14:46:47,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:47,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158920200] [2019-12-27 14:46:47,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:49,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158920200] [2019-12-27 14:46:49,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:49,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:49,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184939374] [2019-12-27 14:46:49,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:49,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:49,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:49,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:49,102 INFO L87 Difference]: Start difference. First operand 5235 states and 14154 transitions. Second operand 27 states. [2019-12-27 14:46:50,192 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:46:50,417 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:46:50,661 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:46:50,917 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:46:51,285 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:46:51,688 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:46:52,783 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:46:53,110 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:46:53,468 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:46:53,891 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:46:54,299 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:46:55,224 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:46:55,555 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:46:55,913 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-12-27 14:46:56,149 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-12-27 14:46:56,407 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:46:56,737 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:46:57,034 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:46:57,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:46:57,049 INFO L93 Difference]: Finished difference Result 10902 states and 28602 transitions. [2019-12-27 14:46:57,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-27 14:46:57,054 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:46:57,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:46:57,063 INFO L225 Difference]: With dead ends: 10902 [2019-12-27 14:46:57,063 INFO L226 Difference]: Without dead ends: 10902 [2019-12-27 14:46:57,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=613, Invalid=1837, Unknown=0, NotChecked=0, Total=2450 [2019-12-27 14:46:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10902 states. [2019-12-27 14:46:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10902 to 5235. [2019-12-27 14:46:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5235 states. [2019-12-27 14:46:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 14154 transitions. [2019-12-27 14:46:57,172 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 14154 transitions. Word has length 104 [2019-12-27 14:46:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:46:57,173 INFO L462 AbstractCegarLoop]: Abstraction has 5235 states and 14154 transitions. [2019-12-27 14:46:57,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:46:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 14154 transitions. [2019-12-27 14:46:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:46:57,181 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:46:57,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:46:57,182 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:46:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:46:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash 658022178, now seen corresponding path program 10 times [2019-12-27 14:46:57,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:46:57,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109485826] [2019-12-27 14:46:57,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:46:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:46:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:46:59,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109485826] [2019-12-27 14:46:59,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:46:59,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:46:59,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217814002] [2019-12-27 14:46:59,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:46:59,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:46:59,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:46:59,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:46:59,192 INFO L87 Difference]: Start difference. First operand 5235 states and 14154 transitions. Second operand 27 states. [2019-12-27 14:47:00,291 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:00,518 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:00,771 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:01,068 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:01,444 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:02,654 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-12-27 14:47:02,941 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-12-27 14:47:03,339 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:47:03,724 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:47:04,302 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:47:05,167 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-12-27 14:47:05,469 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:05,777 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:47:05,998 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-12-27 14:47:06,249 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:06,567 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-12-27 14:47:06,867 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-12-27 14:47:06,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:06,884 INFO L93 Difference]: Finished difference Result 10844 states and 28516 transitions. [2019-12-27 14:47:06,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:47:06,884 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:06,895 INFO L225 Difference]: With dead ends: 10844 [2019-12-27 14:47:06,895 INFO L226 Difference]: Without dead ends: 10844 [2019-12-27 14:47:06,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=565, Invalid=1787, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:47:06,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10844 states. [2019-12-27 14:47:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10844 to 5239. [2019-12-27 14:47:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5239 states. [2019-12-27 14:47:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 14164 transitions. [2019-12-27 14:47:07,014 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 14164 transitions. Word has length 104 [2019-12-27 14:47:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:07,015 INFO L462 AbstractCegarLoop]: Abstraction has 5239 states and 14164 transitions. [2019-12-27 14:47:07,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 14164 transitions. [2019-12-27 14:47:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:07,024 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:07,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:07,025 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:07,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:07,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1700102014, now seen corresponding path program 11 times [2019-12-27 14:47:07,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:07,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186547983] [2019-12-27 14:47:07,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:47:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:47:09,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186547983] [2019-12-27 14:47:09,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:47:09,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:47:09,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026299723] [2019-12-27 14:47:09,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:47:09,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:47:09,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:47:09,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:47:09,391 INFO L87 Difference]: Start difference. First operand 5239 states and 14164 transitions. Second operand 27 states. [2019-12-27 14:47:10,462 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:10,695 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:10,940 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:11,204 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:11,587 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:12,720 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-12-27 14:47:13,037 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:47:13,362 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:47:13,789 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:47:14,305 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:47:15,180 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-12-27 14:47:15,474 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:15,759 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:47:15,976 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-12-27 14:47:16,230 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:16,526 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-12-27 14:47:16,804 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-12-27 14:47:16,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:16,820 INFO L93 Difference]: Finished difference Result 10796 states and 28405 transitions. [2019-12-27 14:47:16,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:47:16,820 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:16,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:16,831 INFO L225 Difference]: With dead ends: 10796 [2019-12-27 14:47:16,831 INFO L226 Difference]: Without dead ends: 10796 [2019-12-27 14:47:16,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=565, Invalid=1787, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:47:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10796 states. [2019-12-27 14:47:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10796 to 5241. [2019-12-27 14:47:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5241 states. [2019-12-27 14:47:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 5241 states and 14169 transitions. [2019-12-27 14:47:16,923 INFO L78 Accepts]: Start accepts. Automaton has 5241 states and 14169 transitions. Word has length 104 [2019-12-27 14:47:16,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:16,923 INFO L462 AbstractCegarLoop]: Abstraction has 5241 states and 14169 transitions. [2019-12-27 14:47:16,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 14169 transitions. [2019-12-27 14:47:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:16,932 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:16,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:16,933 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2120300868, now seen corresponding path program 12 times [2019-12-27 14:47:16,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:16,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214818922] [2019-12-27 14:47:16,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:47:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:47:18,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214818922] [2019-12-27 14:47:18,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:47:18,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:47:18,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582800027] [2019-12-27 14:47:18,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:47:18,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:47:18,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:47:18,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:47:18,982 INFO L87 Difference]: Start difference. First operand 5241 states and 14169 transitions. Second operand 27 states. [2019-12-27 14:47:20,010 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:20,231 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:20,472 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:20,734 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:21,091 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:22,082 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-12-27 14:47:22,380 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:47:22,710 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:47:23,065 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:47:23,473 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:47:23,877 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:47:24,767 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-12-27 14:47:25,069 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:25,395 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:47:25,615 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-12-27 14:47:25,857 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:47:26,159 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-12-27 14:47:26,434 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-12-27 14:47:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:26,446 INFO L93 Difference]: Finished difference Result 10606 states and 27963 transitions. [2019-12-27 14:47:26,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-27 14:47:26,446 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:26,455 INFO L225 Difference]: With dead ends: 10606 [2019-12-27 14:47:26,455 INFO L226 Difference]: Without dead ends: 10606 [2019-12-27 14:47:26,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=602, Invalid=1848, Unknown=0, NotChecked=0, Total=2450 [2019-12-27 14:47:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10606 states. [2019-12-27 14:47:26,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10606 to 5239. [2019-12-27 14:47:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5239 states. [2019-12-27 14:47:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 14164 transitions. [2019-12-27 14:47:26,539 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 14164 transitions. Word has length 104 [2019-12-27 14:47:26,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:26,539 INFO L462 AbstractCegarLoop]: Abstraction has 5239 states and 14164 transitions. [2019-12-27 14:47:26,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 14164 transitions. [2019-12-27 14:47:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:26,544 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:26,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:26,544 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:26,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:26,545 INFO L82 PathProgramCache]: Analyzing trace with hash 186970838, now seen corresponding path program 13 times [2019-12-27 14:47:26,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:26,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849683074] [2019-12-27 14:47:26,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:47:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:47:28,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849683074] [2019-12-27 14:47:28,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:47:28,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:47:28,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446872902] [2019-12-27 14:47:28,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:47:28,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:47:28,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:47:28,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:47:28,571 INFO L87 Difference]: Start difference. First operand 5239 states and 14164 transitions. Second operand 27 states. [2019-12-27 14:47:29,625 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:29,859 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:30,110 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:30,378 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:30,784 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:31,238 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:47:31,612 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:47:32,074 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-12-27 14:47:32,882 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-12-27 14:47:33,789 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:47:34,215 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-27 14:47:34,996 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:47:35,374 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-12-27 14:47:35,709 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-27 14:47:36,094 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-12-27 14:47:36,418 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-27 14:47:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:36,433 INFO L93 Difference]: Finished difference Result 11116 states and 29777 transitions. [2019-12-27 14:47:36,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-27 14:47:36,433 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:36,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:36,444 INFO L225 Difference]: With dead ends: 11116 [2019-12-27 14:47:36,444 INFO L226 Difference]: Without dead ends: 11116 [2019-12-27 14:47:36,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=570, Invalid=1686, Unknown=0, NotChecked=0, Total=2256 [2019-12-27 14:47:36,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2019-12-27 14:47:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 5382. [2019-12-27 14:47:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5382 states. [2019-12-27 14:47:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 14582 transitions. [2019-12-27 14:47:36,563 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 14582 transitions. Word has length 104 [2019-12-27 14:47:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:36,563 INFO L462 AbstractCegarLoop]: Abstraction has 5382 states and 14582 transitions. [2019-12-27 14:47:36,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 14582 transitions. [2019-12-27 14:47:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:36,571 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:36,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:36,571 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:36,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1192937664, now seen corresponding path program 14 times [2019-12-27 14:47:36,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:36,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086094747] [2019-12-27 14:47:36,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:47:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:47:38,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086094747] [2019-12-27 14:47:38,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:47:38,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:47:38,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806759754] [2019-12-27 14:47:38,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:47:38,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:47:38,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:47:38,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:47:38,822 INFO L87 Difference]: Start difference. First operand 5382 states and 14582 transitions. Second operand 27 states. [2019-12-27 14:47:39,913 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:40,143 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:40,390 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:40,644 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:41,033 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:41,435 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:47:41,803 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:47:43,045 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:47:43,416 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:47:43,860 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-27 14:47:44,643 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:47:45,018 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:47:45,360 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:47:45,645 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:47:45,942 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:47:46,304 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:47:46,645 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:47:46,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:46,661 INFO L93 Difference]: Finished difference Result 11438 states and 30465 transitions. [2019-12-27 14:47:46,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:47:46,661 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:46,672 INFO L225 Difference]: With dead ends: 11438 [2019-12-27 14:47:46,672 INFO L226 Difference]: Without dead ends: 11438 [2019-12-27 14:47:46,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:47:46,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11438 states. [2019-12-27 14:47:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11438 to 5272. [2019-12-27 14:47:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5272 states. [2019-12-27 14:47:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5272 states to 5272 states and 14263 transitions. [2019-12-27 14:47:46,763 INFO L78 Accepts]: Start accepts. Automaton has 5272 states and 14263 transitions. Word has length 104 [2019-12-27 14:47:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:46,764 INFO L462 AbstractCegarLoop]: Abstraction has 5272 states and 14263 transitions. [2019-12-27 14:47:46,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5272 states and 14263 transitions. [2019-12-27 14:47:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:46,769 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:46,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:46,770 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:46,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1563069652, now seen corresponding path program 15 times [2019-12-27 14:47:46,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:46,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371678629] [2019-12-27 14:47:46,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:47:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:47:49,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371678629] [2019-12-27 14:47:49,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:47:49,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:47:49,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961875010] [2019-12-27 14:47:49,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:47:49,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:47:49,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:47:49,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:47:49,017 INFO L87 Difference]: Start difference. First operand 5272 states and 14263 transitions. Second operand 27 states. [2019-12-27 14:47:50,079 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:47:50,304 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:47:50,549 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:47:50,807 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:47:51,199 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:47:51,606 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:47:52,006 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:47:52,438 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-12-27 14:47:53,057 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:47:53,509 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-12-27 14:47:54,446 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-12-27 14:47:54,840 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:47:55,169 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:47:56,226 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:47:56,574 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:47:56,906 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:47:57,263 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-12-27 14:47:57,563 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:47:57,888 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:47:58,246 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:47:58,588 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:47:58,914 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:47:59,204 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-12-27 14:47:59,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:47:59,225 INFO L93 Difference]: Finished difference Result 13853 states and 36629 transitions. [2019-12-27 14:47:59,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-12-27 14:47:59,225 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:47:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:47:59,237 INFO L225 Difference]: With dead ends: 13853 [2019-12-27 14:47:59,238 INFO L226 Difference]: Without dead ends: 13853 [2019-12-27 14:47:59,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=798, Invalid=2172, Unknown=0, NotChecked=0, Total=2970 [2019-12-27 14:47:59,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13853 states. [2019-12-27 14:47:59,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13853 to 5305. [2019-12-27 14:47:59,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5305 states. [2019-12-27 14:47:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5305 states to 5305 states and 14362 transitions. [2019-12-27 14:47:59,341 INFO L78 Accepts]: Start accepts. Automaton has 5305 states and 14362 transitions. Word has length 104 [2019-12-27 14:47:59,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:47:59,341 INFO L462 AbstractCegarLoop]: Abstraction has 5305 states and 14362 transitions. [2019-12-27 14:47:59,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:47:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 5305 states and 14362 transitions. [2019-12-27 14:47:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:47:59,347 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:47:59,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:47:59,348 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:47:59,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:47:59,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1968885822, now seen corresponding path program 16 times [2019-12-27 14:47:59,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:47:59,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131811013] [2019-12-27 14:47:59,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:47:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:01,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131811013] [2019-12-27 14:48:01,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:01,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:01,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515231024] [2019-12-27 14:48:01,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:01,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:01,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:01,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:01,425 INFO L87 Difference]: Start difference. First operand 5305 states and 14362 transitions. Second operand 27 states. [2019-12-27 14:48:02,447 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:02,665 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:02,911 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:03,170 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:03,556 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:03,951 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:48:04,337 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:48:05,045 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:48:05,864 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:48:06,258 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:48:06,643 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:07,034 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:48:08,016 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:48:08,364 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:48:08,623 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:48:08,917 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:48:09,252 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:09,592 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:09,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:48:09,613 INFO L93 Difference]: Finished difference Result 12890 states and 33834 transitions. [2019-12-27 14:48:09,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-27 14:48:09,618 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:48:09,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:48:09,634 INFO L225 Difference]: With dead ends: 12890 [2019-12-27 14:48:09,635 INFO L226 Difference]: Without dead ends: 12890 [2019-12-27 14:48:09,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=624, Invalid=1826, Unknown=0, NotChecked=0, Total=2450 [2019-12-27 14:48:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12890 states. [2019-12-27 14:48:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12890 to 5272. [2019-12-27 14:48:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5272 states. [2019-12-27 14:48:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5272 states to 5272 states and 14263 transitions. [2019-12-27 14:48:09,748 INFO L78 Accepts]: Start accepts. Automaton has 5272 states and 14263 transitions. Word has length 104 [2019-12-27 14:48:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:48:09,748 INFO L462 AbstractCegarLoop]: Abstraction has 5272 states and 14263 transitions. [2019-12-27 14:48:09,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:48:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5272 states and 14263 transitions. [2019-12-27 14:48:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:48:09,753 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:48:09,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:48:09,753 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:48:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:48:09,753 INFO L82 PathProgramCache]: Analyzing trace with hash 888337046, now seen corresponding path program 17 times [2019-12-27 14:48:09,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:48:09,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207095379] [2019-12-27 14:48:09,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:48:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:11,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207095379] [2019-12-27 14:48:11,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:11,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:11,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661146101] [2019-12-27 14:48:11,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:11,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:11,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:11,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:11,702 INFO L87 Difference]: Start difference. First operand 5272 states and 14263 transitions. Second operand 27 states. [2019-12-27 14:48:12,693 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:12,909 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:13,155 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:13,400 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:13,773 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:14,150 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:48:15,058 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:48:15,380 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:48:15,760 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:48:16,207 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:48:16,946 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:48:17,255 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:48:17,570 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-12-27 14:48:17,803 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-12-27 14:48:18,071 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:48:18,394 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:48:18,705 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:48:18,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:48:18,723 INFO L93 Difference]: Finished difference Result 12235 states and 32277 transitions. [2019-12-27 14:48:18,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:48:18,724 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:48:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:48:18,735 INFO L225 Difference]: With dead ends: 12235 [2019-12-27 14:48:18,736 INFO L226 Difference]: Without dead ends: 12235 [2019-12-27 14:48:18,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=576, Invalid=1776, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:48:18,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12235 states. [2019-12-27 14:48:18,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12235 to 5274. [2019-12-27 14:48:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5274 states. [2019-12-27 14:48:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5274 states to 5274 states and 14268 transitions. [2019-12-27 14:48:18,835 INFO L78 Accepts]: Start accepts. Automaton has 5274 states and 14268 transitions. Word has length 104 [2019-12-27 14:48:18,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:48:18,836 INFO L462 AbstractCegarLoop]: Abstraction has 5274 states and 14268 transitions. [2019-12-27 14:48:18,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:48:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5274 states and 14268 transitions. [2019-12-27 14:48:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:48:18,840 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:48:18,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:48:18,841 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:48:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:48:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash -699482410, now seen corresponding path program 18 times [2019-12-27 14:48:18,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:48:18,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136270243] [2019-12-27 14:48:18,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:48:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:20,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136270243] [2019-12-27 14:48:20,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:20,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:20,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589786722] [2019-12-27 14:48:20,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:20,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:20,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:20,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:20,863 INFO L87 Difference]: Start difference. First operand 5274 states and 14268 transitions. Second operand 27 states. [2019-12-27 14:48:21,678 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-27 14:48:21,850 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:22,058 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:22,301 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:22,547 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:22,918 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:23,281 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-12-27 14:48:24,236 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:48:24,556 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:48:24,890 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:48:25,270 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:25,680 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:48:26,542 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:48:26,860 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:48:27,183 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-12-27 14:48:27,415 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-12-27 14:48:27,687 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:48:28,012 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-12-27 14:48:28,322 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-12-27 14:48:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:48:28,341 INFO L93 Difference]: Finished difference Result 12070 states and 31893 transitions. [2019-12-27 14:48:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-27 14:48:28,341 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:48:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:48:28,352 INFO L225 Difference]: With dead ends: 12070 [2019-12-27 14:48:28,352 INFO L226 Difference]: Without dead ends: 12070 [2019-12-27 14:48:28,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=613, Invalid=1837, Unknown=0, NotChecked=0, Total=2450 [2019-12-27 14:48:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12070 states. [2019-12-27 14:48:28,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12070 to 5261. [2019-12-27 14:48:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5261 states. [2019-12-27 14:48:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 14230 transitions. [2019-12-27 14:48:28,438 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 14230 transitions. Word has length 104 [2019-12-27 14:48:28,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:48:28,439 INFO L462 AbstractCegarLoop]: Abstraction has 5261 states and 14230 transitions. [2019-12-27 14:48:28,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:48:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 14230 transitions. [2019-12-27 14:48:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:48:28,444 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:48:28,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:48:28,444 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:48:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:48:28,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1383592730, now seen corresponding path program 19 times [2019-12-27 14:48:28,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:48:28,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717216217] [2019-12-27 14:48:28,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:48:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:30,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717216217] [2019-12-27 14:48:30,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:30,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:30,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650927] [2019-12-27 14:48:30,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:30,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:30,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:30,423 INFO L87 Difference]: Start difference. First operand 5261 states and 14230 transitions. Second operand 27 states. [2019-12-27 14:48:31,477 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:31,694 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:31,936 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:32,195 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:32,590 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:32,918 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-12-27 14:48:33,375 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:48:33,802 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-12-27 14:48:34,112 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-12-27 14:48:34,694 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:48:35,186 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-12-27 14:48:36,145 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-12-27 14:48:36,460 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-12-27 14:48:36,888 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:37,262 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:48:38,252 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:38,602 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:48:38,895 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:48:39,247 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-12-27 14:48:39,502 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:39,844 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-12-27 14:48:40,175 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-12-27 14:48:40,517 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-12-27 14:48:40,812 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-12-27 14:48:41,105 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-12-27 14:48:41,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:48:41,124 INFO L93 Difference]: Finished difference Result 11129 states and 29334 transitions. [2019-12-27 14:48:41,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-12-27 14:48:41,125 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:48:41,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:48:41,133 INFO L225 Difference]: With dead ends: 11129 [2019-12-27 14:48:41,134 INFO L226 Difference]: Without dead ends: 11129 [2019-12-27 14:48:41,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=859, Invalid=2333, Unknown=0, NotChecked=0, Total=3192 [2019-12-27 14:48:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11129 states. [2019-12-27 14:48:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11129 to 6399. [2019-12-27 14:48:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6399 states. [2019-12-27 14:48:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 17517 transitions. [2019-12-27 14:48:41,232 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 17517 transitions. Word has length 104 [2019-12-27 14:48:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:48:41,233 INFO L462 AbstractCegarLoop]: Abstraction has 6399 states and 17517 transitions. [2019-12-27 14:48:41,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:48:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 17517 transitions. [2019-12-27 14:48:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:48:41,238 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:48:41,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:48:41,239 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:48:41,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:48:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1789408900, now seen corresponding path program 20 times [2019-12-27 14:48:41,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:48:41,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277377986] [2019-12-27 14:48:41,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:48:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:43,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277377986] [2019-12-27 14:48:43,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:43,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:43,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883185633] [2019-12-27 14:48:43,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:43,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:43,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:43,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:43,221 INFO L87 Difference]: Start difference. First operand 6399 states and 17517 transitions. Second operand 27 states. [2019-12-27 14:48:44,320 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:44,540 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:44,782 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:45,050 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:45,453 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:45,791 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-12-27 14:48:46,286 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-12-27 14:48:46,755 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-12-27 14:48:47,390 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:48:48,452 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:48:48,848 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:48:49,179 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-12-27 14:48:49,638 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:50,082 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:48:51,339 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:51,686 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:48:51,994 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:48:52,326 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-12-27 14:48:52,585 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:52,836 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-27 14:48:53,149 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-12-27 14:48:53,500 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-12-27 14:48:53,816 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:48:54,144 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-12-27 14:48:54,419 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:48:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:48:54,440 INFO L93 Difference]: Finished difference Result 11784 states and 30729 transitions. [2019-12-27 14:48:54,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-12-27 14:48:54,440 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:48:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:48:54,450 INFO L225 Difference]: With dead ends: 11784 [2019-12-27 14:48:54,450 INFO L226 Difference]: Without dead ends: 11784 [2019-12-27 14:48:54,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=843, Invalid=2349, Unknown=0, NotChecked=0, Total=3192 [2019-12-27 14:48:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11784 states. [2019-12-27 14:48:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11784 to 6366. [2019-12-27 14:48:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6366 states. [2019-12-27 14:48:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 17418 transitions. [2019-12-27 14:48:54,552 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 17418 transitions. Word has length 104 [2019-12-27 14:48:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:48:54,552 INFO L462 AbstractCegarLoop]: Abstraction has 6366 states and 17418 transitions. [2019-12-27 14:48:54,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:48:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 17418 transitions. [2019-12-27 14:48:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:48:54,560 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:48:54,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:48:54,561 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:48:54,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:48:54,561 INFO L82 PathProgramCache]: Analyzing trace with hash 347883768, now seen corresponding path program 21 times [2019-12-27 14:48:54,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:48:54,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068695130] [2019-12-27 14:48:54,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:48:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:48:55,192 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2019-12-27 14:48:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:48:56,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068695130] [2019-12-27 14:48:56,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:48:56,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:48:56,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64519897] [2019-12-27 14:48:56,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:48:56,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:48:56,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:48:56,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:48:56,791 INFO L87 Difference]: Start difference. First operand 6366 states and 17418 transitions. Second operand 27 states. [2019-12-27 14:48:57,899 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:48:58,123 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:48:58,367 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:48:58,624 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:48:59,022 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:48:59,357 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-12-27 14:49:00,007 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-12-27 14:49:01,090 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-12-27 14:49:01,503 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:49:01,886 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-12-27 14:49:02,242 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2019-12-27 14:49:02,685 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:49:03,113 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-12-27 14:49:04,098 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:49:04,408 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-12-27 14:49:04,647 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2019-12-27 14:49:04,906 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:49:05,240 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-12-27 14:49:05,557 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-12-27 14:49:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:49:05,575 INFO L93 Difference]: Finished difference Result 9920 states and 25729 transitions. [2019-12-27 14:49:05,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-12-27 14:49:05,576 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:49:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:49:05,586 INFO L225 Difference]: With dead ends: 9920 [2019-12-27 14:49:05,586 INFO L226 Difference]: Without dead ends: 9920 [2019-12-27 14:49:05,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=649, Invalid=1901, Unknown=0, NotChecked=0, Total=2550 [2019-12-27 14:49:05,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9920 states. [2019-12-27 14:49:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9920 to 6249. [2019-12-27 14:49:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6249 states. [2019-12-27 14:49:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6249 states to 6249 states and 17076 transitions. [2019-12-27 14:49:05,743 INFO L78 Accepts]: Start accepts. Automaton has 6249 states and 17076 transitions. Word has length 104 [2019-12-27 14:49:05,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:49:05,743 INFO L462 AbstractCegarLoop]: Abstraction has 6249 states and 17076 transitions. [2019-12-27 14:49:05,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:49:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 6249 states and 17076 transitions. [2019-12-27 14:49:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:49:05,748 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:49:05,748 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:49:05,748 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:49:05,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:49:05,748 INFO L82 PathProgramCache]: Analyzing trace with hash -849269086, now seen corresponding path program 22 times [2019-12-27 14:49:05,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:49:05,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272874470] [2019-12-27 14:49:05,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:49:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:49:07,031 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2019-12-27 14:49:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:49:08,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272874470] [2019-12-27 14:49:08,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:49:08,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:49:08,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124871775] [2019-12-27 14:49:08,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:49:08,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:49:08,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:49:08,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:49:08,143 INFO L87 Difference]: Start difference. First operand 6249 states and 17076 transitions. Second operand 27 states. [2019-12-27 14:49:09,222 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:49:09,449 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:49:09,686 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:49:09,934 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:49:10,325 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:49:11,482 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-12-27 14:49:11,791 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:49:12,111 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:49:12,501 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-12-27 14:49:13,011 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-12-27 14:49:13,826 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-12-27 14:49:14,128 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:49:14,412 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:49:14,632 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-12-27 14:49:14,869 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:49:15,170 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-12-27 14:49:15,459 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-12-27 14:49:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:49:15,515 INFO L93 Difference]: Finished difference Result 9392 states and 24404 transitions. [2019-12-27 14:49:15,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-27 14:49:15,515 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 104 [2019-12-27 14:49:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:49:15,523 INFO L225 Difference]: With dead ends: 9392 [2019-12-27 14:49:15,524 INFO L226 Difference]: Without dead ends: 9392 [2019-12-27 14:49:15,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=565, Invalid=1787, Unknown=0, NotChecked=0, Total=2352 [2019-12-27 14:49:15,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9392 states. [2019-12-27 14:49:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9392 to 6255. [2019-12-27 14:49:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6255 states. [2019-12-27 14:49:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 17091 transitions. [2019-12-27 14:49:15,615 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 17091 transitions. Word has length 104 [2019-12-27 14:49:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:49:15,616 INFO L462 AbstractCegarLoop]: Abstraction has 6255 states and 17091 transitions. [2019-12-27 14:49:15,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-27 14:49:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 17091 transitions. [2019-12-27 14:49:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-27 14:49:15,621 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:49:15,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:49:15,621 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:49:15,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:49:15,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1857878754, now seen corresponding path program 23 times [2019-12-27 14:49:15,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:49:15,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296446038] [2019-12-27 14:49:15,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:49:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:49:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:49:17,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296446038] [2019-12-27 14:49:17,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:49:17,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-12-27 14:49:17,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392872220] [2019-12-27 14:49:17,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-27 14:49:17,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:49:17,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-27 14:49:17,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2019-12-27 14:49:17,526 INFO L87 Difference]: Start difference. First operand 6255 states and 17091 transitions. Second operand 27 states. [2019-12-27 14:49:18,397 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-27 14:49:18,578 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-27 14:49:18,813 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-12-27 14:49:19,061 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-27 14:49:19,310 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-12-27 14:49:19,756 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-12-27 14:49:20,853 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-12-27 14:49:21,169 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-12-27 14:49:21,507 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 14:49:21,853 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-27 14:49:22,286 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-27 14:49:22,710 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-12-27 14:49:23,774 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-12-27 14:49:24,077 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:49:24,365 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:49:24,738 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 Received shutdown request... [2019-12-27 14:49:24,979 WARN L209 SmtUtils]: Removed 23 from assertion stack [2019-12-27 14:49:24,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-12-27 14:49:24,979 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 14:49:24,991 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 14:49:24,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:49:24 BasicIcfg [2019-12-27 14:49:24,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:49:24,995 INFO L168 Benchmark]: Toolchain (without parser) took 252949.46 ms. Allocated memory was 138.9 MB in the beginning and 733.5 MB in the end (delta: 594.5 MB). Free memory was 99.6 MB in the beginning and 578.5 MB in the end (delta: -478.9 MB). Peak memory consumption was 677.4 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,995 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1551.43 ms. Allocated memory was 138.9 MB in the beginning and 237.5 MB in the end (delta: 98.6 MB). Free memory was 99.2 MB in the beginning and 171.9 MB in the end (delta: -72.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 237.5 MB. Free memory was 171.9 MB in the beginning and 169.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,996 INFO L168 Benchmark]: Boogie Preprocessor took 53.22 ms. Allocated memory is still 237.5 MB. Free memory was 169.0 MB in the beginning and 166.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,996 INFO L168 Benchmark]: RCFGBuilder took 933.92 ms. Allocated memory is still 237.5 MB. Free memory was 166.1 MB in the beginning and 118.1 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:24,996 INFO L168 Benchmark]: TraceAbstraction took 250323.48 ms. Allocated memory was 237.5 MB in the beginning and 733.5 MB in the end (delta: 496.0 MB). Free memory was 118.1 MB in the beginning and 578.5 MB in the end (delta: -460.4 MB). Peak memory consumption was 597.3 MB. Max. memory is 7.1 GB. [2019-12-27 14:49:25,003 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 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1551.43 ms. Allocated memory was 138.9 MB in the beginning and 237.5 MB in the end (delta: 98.6 MB). Free memory was 99.2 MB in the beginning and 171.9 MB in the end (delta: -72.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 237.5 MB. Free memory was 171.9 MB in the beginning and 169.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.22 ms. Allocated memory is still 237.5 MB. Free memory was 169.0 MB in the beginning and 166.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 933.92 ms. Allocated memory is still 237.5 MB. Free memory was 166.1 MB in the beginning and 118.1 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250323.48 ms. Allocated memory was 237.5 MB in the beginning and 733.5 MB in the end (delta: 496.0 MB). Free memory was 118.1 MB in the beginning and 578.5 MB in the end (delta: -460.4 MB). Peak memory consumption was 597.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was constructing difference of abstraction (6255states) and FLOYD_HOARE automaton (currently 25 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 69 for 175ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 6 error locations. Result: TIMEOUT, OverallTime: 250.1s, OverallIterations: 28, TraceHistogramMax: 1, AutomataDifference: 194.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8757 SDtfs, 30496 SDslu, 76134 SDs, 0 SdLazy, 35285 SolverSat, 1499 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1268 GetRequests, 82 SyntacticMatches, 25 SemanticMatches, 1160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7283 ImplicationChecksByTransitivity, 166.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9009occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 133230 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 48.4s InterpolantComputationTime, 2650 NumberOfCodeBlocks, 2650 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2622 ConstructedInterpolants, 0 QuantifiedInterpolants, 4217166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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 could not prove your program: Timeout Completed graceful shutdown