java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-programs/Problem102_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 00:28:41,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 00:28:41,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 00:28:41,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 00:28:41,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 00:28:41,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 00:28:41,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 00:28:41,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 00:28:41,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 00:28:41,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 00:28:41,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 00:28:41,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 00:28:41,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 00:28:41,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 00:28:41,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 00:28:41,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 00:28:41,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 00:28:41,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 00:28:41,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 00:28:41,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 00:28:41,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 00:28:41,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 00:28:41,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 00:28:41,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 00:28:41,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 00:28:41,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 00:28:41,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 00:28:41,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 00:28:41,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 00:28:41,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 00:28:41,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 00:28:41,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 00:28:41,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 00:28:41,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 00:28:41,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 00:28:41,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 00:28:41,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 00:28:41,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 00:28:41,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 00:28:41,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 00:28:41,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 00:28:41,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 00:28:41,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 00:28:41,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 00:28:41,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 00:28:41,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 00:28:41,744 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 00:28:41,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 00:28:41,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 00:28:41,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 00:28:41,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 00:28:41,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 00:28:41,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 00:28:41,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 00:28:41,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 00:28:41,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 00:28:41,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 00:28:41,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 00:28:41,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 00:28:41,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 00:28:41,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 00:28:41,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 00:28:41,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 00:28:41,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 00:28:41,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 00:28:41,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 00:28:41,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 00:28:41,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 00:28:41,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 00:28:41,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 00:28:41,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 00:28:41,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 00:28:41,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 00:28:41,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 00:28:41,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 00:28:41,815 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 00:28:41,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem102_label36.c [2019-09-08 00:28:41,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dba60b0/81be1e1d6dec4a1fad4454fe37e1f43b/FLAG94de258f9 [2019-09-08 00:28:45,729 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 00:28:45,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem102_label36.c [2019-09-08 00:28:46,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dba60b0/81be1e1d6dec4a1fad4454fe37e1f43b/FLAG94de258f9 [2019-09-08 00:28:46,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dba60b0/81be1e1d6dec4a1fad4454fe37e1f43b [2019-09-08 00:28:46,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 00:28:46,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 00:28:46,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 00:28:46,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 00:28:46,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 00:28:46,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:28:46" (1/1) ... [2019-09-08 00:28:46,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:28:46, skipping insertion in model container [2019-09-08 00:28:46,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:28:46" (1/1) ... [2019-09-08 00:28:46,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 00:28:48,253 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 00:29:12,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:29:12,127 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 00:29:33,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:29:44,808 INFO L192 MainTranslator]: Completed translation [2019-09-08 00:29:44,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44 WrapperNode [2019-09-08 00:29:44,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 00:29:44,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 00:29:44,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 00:29:44,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 00:29:44,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:44,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:45,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:45,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:51,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:52,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:52,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (1/1) ... [2019-09-08 00:29:53,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 00:29:53,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 00:29:53,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 00:29:53,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 00:29:53,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (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 [2019-09-08 00:29:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 00:29:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 00:29:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-08 00:29:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-08 00:29:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-08 00:29:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-08 00:29:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-08 00:29:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-08 00:29:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-08 00:29:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-08 00:29:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-08 00:29:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-08 00:29:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-08 00:29:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-08 00:29:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-08 00:29:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-08 00:29:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-08 00:29:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-08 00:29:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-08 00:29:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-08 00:29:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-08 00:29:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-08 00:29:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-08 00:29:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-08 00:29:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-08 00:29:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-08 00:29:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-08 00:29:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-08 00:29:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-08 00:29:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-08 00:29:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 00:29:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-08 00:29:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-08 00:29:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-08 00:29:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-08 00:29:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-08 00:29:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-08 00:29:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-08 00:29:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-08 00:29:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-08 00:29:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-08 00:29:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-08 00:29:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-08 00:29:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-08 00:29:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-08 00:29:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 00:29:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 00:29:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 00:29:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 00:29:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 00:29:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 00:31:31,803 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 00:31:31,804 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 00:31:31,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:31:31 BoogieIcfgContainer [2019-09-08 00:31:31,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 00:31:31,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 00:31:31,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 00:31:31,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 00:31:31,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:28:46" (1/3) ... [2019-09-08 00:31:31,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12801856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:31:31, skipping insertion in model container [2019-09-08 00:31:31,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:29:44" (2/3) ... [2019-09-08 00:31:31,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12801856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:31:31, skipping insertion in model container [2019-09-08 00:31:31,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:31:31" (3/3) ... [2019-09-08 00:31:31,827 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem102_label36.c [2019-09-08 00:31:31,837 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 00:31:31,853 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 00:31:31,871 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 00:31:31,979 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 00:31:31,980 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 00:31:31,980 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 00:31:31,980 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 00:31:31,980 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 00:31:31,980 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 00:31:31,980 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 00:31:31,981 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 00:31:31,981 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 00:31:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-08 00:31:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18091 [2019-09-08 00:31:36,009 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:31:36,023 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 00:31:36,028 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:31:36,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:31:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -62077379, now seen corresponding path program 1 times [2019-09-08 00:31:36,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:31:36,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:31:36,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:31:36,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:31:36,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:31:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:36:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 00:36:08,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:36:08,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 00:36:09,029 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 00:36:09,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 00:36:09,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 00:36:09,048 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 3 states. [2019-09-08 00:37:48,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 00:37:48,077 INFO L93 Difference]: Finished difference Result 66700 states and 125993 transitions. [2019-09-08 00:37:48,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 00:37:48,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18090 [2019-09-08 00:37:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 00:37:48,429 INFO L225 Difference]: With dead ends: 66700 [2019-09-08 00:37:48,429 INFO L226 Difference]: Without dead ends: 43090 [2019-09-08 00:37:48,512 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 83 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 00:37:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43090 states. [2019-09-08 00:37:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43090 to 43034. [2019-09-08 00:37:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43034 states. [2019-09-08 00:37:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43034 states to 43034 states and 72639 transitions. [2019-09-08 00:37:49,949 INFO L78 Accepts]: Start accepts. Automaton has 43034 states and 72639 transitions. Word has length 18090 [2019-09-08 00:37:49,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 00:37:49,993 INFO L475 AbstractCegarLoop]: Abstraction has 43034 states and 72639 transitions. [2019-09-08 00:37:49,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 00:37:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 43034 states and 72639 transitions. [2019-09-08 00:37:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18099 [2019-09-08 00:37:52,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:37:52,504 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 00:37:52,505 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:37:52,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:37:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1768129421, now seen corresponding path program 1 times [2019-09-08 00:37:52,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:37:52,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:37:52,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:37:52,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:37:52,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:37:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:39:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 00:39:44,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:39:44,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 00:39:44,971 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 00:39:44,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 00:39:44,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 00:39:44,973 INFO L87 Difference]: Start difference. First operand 43034 states and 72639 transitions. Second operand 5 states.