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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 00:13:59,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 00:13:59,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 00:13:59,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 00:13:59,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 00:13:59,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 00:13:59,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 00:13:59,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 00:13:59,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 00:13:59,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 00:13:59,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 00:13:59,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 00:13:59,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 00:13:59,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 00:13:59,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 00:13:59,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 00:13:59,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 00:13:59,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 00:13:59,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 00:13:59,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 00:13:59,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 00:13:59,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 00:13:59,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 00:13:59,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 00:13:59,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 00:13:59,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 00:13:59,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 00:13:59,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 00:13:59,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 00:13:59,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 00:13:59,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 00:13:59,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 00:13:59,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 00:13:59,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 00:13:59,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 00:13:59,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 00:13:59,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 00:13:59,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 00:13:59,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 00:13:59,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 00:13:59,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 00:13:59,332 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 00:13:59,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 00:13:59,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 00:13:59,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 00:13:59,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 00:13:59,355 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 00:13:59,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 00:13:59,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 00:13:59,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 00:13:59,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 00:13:59,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 00:13:59,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 00:13:59,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 00:13:59,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 00:13:59,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 00:13:59,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 00:13:59,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 00:13:59,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 00:13:59,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 00:13:59,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 00:13:59,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 00:13:59,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 00:13:59,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 00:13:59,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 00:13:59,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 00:13:59,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 00:13:59,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 00:13:59,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 00:13:59,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 00:13:59,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 00:13:59,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 00:13:59,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 00:13:59,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 00:13:59,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 00:13:59,440 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 00:13:59,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem102_label19.c [2019-09-08 00:13:59,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8a4ef24/decab351cc344f318fff52766f9eaba2/FLAGb578e60ea [2019-09-08 00:14:03,486 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 00:14:03,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem102_label19.c [2019-09-08 00:14:03,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8a4ef24/decab351cc344f318fff52766f9eaba2/FLAGb578e60ea [2019-09-08 00:14:04,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8a4ef24/decab351cc344f318fff52766f9eaba2 [2019-09-08 00:14:04,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 00:14:04,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 00:14:04,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 00:14:04,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 00:14:04,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 00:14:04,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:14:04" (1/1) ... [2019-09-08 00:14:04,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596103fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:14:04, skipping insertion in model container [2019-09-08 00:14:04,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:14:04" (1/1) ... [2019-09-08 00:14:04,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 00:14:05,930 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 00:14:34,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:14:34,110 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 00:14:54,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:15:05,066 INFO L192 MainTranslator]: Completed translation [2019-09-08 00:15:05,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05 WrapperNode [2019-09-08 00:15:05,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 00:15:05,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 00:15:05,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 00:15:05,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 00:15:05,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:05,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:05,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:05,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:14,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:14,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:14,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (1/1) ... [2019-09-08 00:15:15,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 00:15:15,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 00:15:15,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 00:15:15,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 00:15:15,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (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 00:15:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 00:15:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 00:15:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-08 00:15:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-08 00:15:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-08 00:15:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-08 00:15:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-08 00:15:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-08 00:15:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-08 00:15:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-08 00:15:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-08 00:15:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-08 00:15:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-08 00:15:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-08 00:15:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-08 00:15:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-08 00:15:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-08 00:15:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-08 00:15:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-08 00:15:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-08 00:15:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-08 00:15:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-08 00:15:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-08 00:15:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-08 00:15:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-08 00:15:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-08 00:15:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-08 00:15:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-08 00:15:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-08 00:15:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-08 00:15:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-08 00:15:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-08 00:15:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-08 00:15:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-08 00:15:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-08 00:15:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-08 00:15:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-08 00:15:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-08 00:15:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-08 00:15:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-08 00:15:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-08 00:15:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 00:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-08 00:15:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-08 00:15:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-08 00:15:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-08 00:15:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-08 00:15:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-08 00:15:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-08 00:15:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-08 00:15:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-08 00:15:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-08 00:15:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-08 00:15:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-08 00:15:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-08 00:15:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-08 00:15:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-08 00:15:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-08 00:15:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-08 00:15:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-08 00:15:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-08 00:15:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-08 00:15:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-08 00:15:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-08 00:15:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-08 00:15:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-08 00:15:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-08 00:15:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-08 00:15:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-08 00:15:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-08 00:15:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-08 00:15:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-08 00:15:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-08 00:15:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-08 00:15:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-08 00:15:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-08 00:15:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-08 00:15:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-08 00:15:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-08 00:15:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-08 00:15:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-08 00:15:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-08 00:15:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-08 00:15:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-08 00:15:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-08 00:15:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-08 00:15:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-08 00:15:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 00:15:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 00:16:42,169 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 00:16:42,169 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 00:16:42,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:42 BoogieIcfgContainer [2019-09-08 00:16:42,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 00:16:42,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 00:16:42,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 00:16:42,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 00:16:42,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:14:04" (1/3) ... [2019-09-08 00:16:42,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623fe9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:16:42, skipping insertion in model container [2019-09-08 00:16:42,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:15:05" (2/3) ... [2019-09-08 00:16:42,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623fe9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:16:42, skipping insertion in model container [2019-09-08 00:16:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:42" (3/3) ... [2019-09-08 00:16:42,188 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem102_label19.c [2019-09-08 00:16:42,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 00:16:42,212 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 00:16:42,229 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 00:16:42,327 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 00:16:42,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 00:16:42,328 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 00:16:42,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 00:16:42,328 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 00:16:42,328 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 00:16:42,328 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 00:16:42,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 00:16:42,329 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 00:16:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-08 00:16:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18069 [2019-09-08 00:16:46,019 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:16:46,034 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] [2019-09-08 00:16:46,037 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:16:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:16:46,059 INFO L82 PathProgramCache]: Analyzing trace with hash 763690725, now seen corresponding path program 1 times [2019-09-08 00:16:46,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:16:46,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:16:46,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:16:46,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:16:46,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:16:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:22:02,896 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 00:22:02,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:22:02,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 00:22:02,931 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 00:22:02,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 00:22:02,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 00:22:02,948 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 4 states. [2019-09-08 00:24:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 00:24:46,298 INFO L93 Difference]: Finished difference Result 87355 states and 166945 transitions. [2019-09-08 00:24:46,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 00:24:46,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18068 [2019-09-08 00:24:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 00:24:46,699 INFO L225 Difference]: With dead ends: 87355 [2019-09-08 00:24:46,699 INFO L226 Difference]: Without dead ends: 63741 [2019-09-08 00:24:46,788 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 2 SyntacticMatches, 83 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 00:24:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63741 states. [2019-09-08 00:24:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63741 to 42961. [2019-09-08 00:24:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42961 states. [2019-09-08 00:24:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42961 states to 42961 states and 79922 transitions. [2019-09-08 00:24:48,462 INFO L78 Accepts]: Start accepts. Automaton has 42961 states and 79922 transitions. Word has length 18068 [2019-09-08 00:24:48,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 00:24:48,512 INFO L475 AbstractCegarLoop]: Abstraction has 42961 states and 79922 transitions. [2019-09-08 00:24:48,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 00:24:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 42961 states and 79922 transitions. [2019-09-08 00:24:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18079 [2019-09-08 00:24:51,523 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:24:51,533 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 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, 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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] [2019-09-08 00:24:51,534 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:24:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:24:51,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1755063985, now seen corresponding path program 1 times [2019-09-08 00:24:51,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:24:51,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:24:51,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:24:51,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:24:51,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:24:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat