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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 12:30:50,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 12:30:50,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 12:30:50,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 12:30:50,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 12:30:50,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 12:30:50,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 12:30:50,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 12:30:50,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 12:30:50,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 12:30:50,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 12:30:50,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 12:30:50,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 12:30:50,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 12:30:50,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 12:30:50,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 12:30:50,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 12:30:50,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 12:30:50,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 12:30:50,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 12:30:50,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 12:30:50,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 12:30:50,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 12:30:50,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 12:30:50,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-09 12:30:50,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-09 12:30:50,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-09 12:30:50,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-09 12:30:50,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-09 12:30:50,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-09 12:30:50,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 12:30:50,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 12:30:50,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 12:30:50,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 12:30:50,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 12:30:50,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 12:30:50,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 12:30:50,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 12:30:50,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 12:30:50,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 12:30:50,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 12:30:50,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 12:30:50,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 12:30:50,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 12:30:50,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 12:30:50,530 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 12:30:50,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 12:30:50,531 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 12:30:50,532 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 12:30:50,532 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 12:30:50,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 12:30:50,532 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 12:30:50,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 12:30:50,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 12:30:50,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 12:30:50,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 12:30:50,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 12:30:50,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 12:30:50,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 12:30:50,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 12:30:50,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 12:30:50,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 12:30:50,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 12:30:50,535 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 12:30:50,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 12:30:50,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 12:30:50,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 12:30:50,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 12:30:50,536 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 12:30:50,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 12:30:50,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 12:30:50,537 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 12:30:50,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 12:30:50,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 12:30:50,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 12:30:50,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 12:30:50,585 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 12:30:50,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label14.c [2019-09-09 12:30:50,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d674715e/10a2f75c13f042b699618f982735403b/FLAG1ce2f3719 [2019-09-09 12:30:54,639 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 12:30:54,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label14.c [2019-09-09 12:30:54,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d674715e/10a2f75c13f042b699618f982735403b/FLAG1ce2f3719 [2019-09-09 12:30:55,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d674715e/10a2f75c13f042b699618f982735403b [2019-09-09 12:30:55,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 12:30:55,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 12:30:55,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 12:30:55,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 12:30:55,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 12:30:55,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 12:30:55" (1/1) ... [2019-09-09 12:30:55,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e607a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:30:55, skipping insertion in model container [2019-09-09 12:30:55,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 12:30:55" (1/1) ... [2019-09-09 12:30:55,295 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 12:30:56,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 12:31:24,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 12:31:24,317 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 12:31:46,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 12:32:00,037 INFO L192 MainTranslator]: Completed translation [2019-09-09 12:32:00,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00 WrapperNode [2019-09-09 12:32:00,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 12:32:00,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 12:32:00,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 12:32:00,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 12:32:00,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:00,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:00,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:00,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:03,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:04,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:05,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (1/1) ... [2019-09-09 12:32:05,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 12:32:05,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 12:32:05,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 12:32:05,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 12:32:05,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (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 [2019-09-09 12:32:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 12:32:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 12:32:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-09 12:32:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-09 12:32:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-09 12:32:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-09 12:32:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-09 12:32:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-09 12:32:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-09 12:32:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-09 12:32:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-09 12:32:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-09 12:32:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-09 12:32:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-09 12:32:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-09 12:32:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-09 12:32:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-09 12:32:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-09 12:32:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-09 12:32:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-09 12:32:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-09 12:32:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-09 12:32:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-09 12:32:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-09 12:32:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-09 12:32:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-09 12:32:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-09 12:32:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-09 12:32:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-09 12:32:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-09 12:32:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-09 12:32:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-09 12:32:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-09 12:32:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-09 12:32:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-09 12:32:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-09 12:32:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-09 12:32:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-09 12:32:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-09 12:32:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-09 12:32:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-09 12:32:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-09 12:32:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-09 12:32:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-09 12:32:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-09 12:32:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-09 12:32:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-09 12:32:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-09 12:32:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-09 12:32:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-09 12:32:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-09 12:32:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-09 12:32:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-09 12:32:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-09 12:32:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-09 12:32:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-09 12:32:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-09 12:32:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-09 12:32:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-09 12:32:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-09 12:32:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-09 12:32:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-09 12:32:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-09 12:32:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-09 12:32:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-09 12:32:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-09 12:32:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-09 12:32:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-09 12:32:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-09 12:32:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-09 12:32:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-09 12:32:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 12:32:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 12:32:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-09 12:32:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 12:32:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 12:32:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 12:33:39,741 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 12:33:39,741 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-09 12:33:39,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 12:33:39 BoogieIcfgContainer [2019-09-09 12:33:39,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 12:33:39,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 12:33:39,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 12:33:39,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 12:33:39,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 12:30:55" (1/3) ... [2019-09-09 12:33:39,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4beeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 12:33:39, skipping insertion in model container [2019-09-09 12:33:39,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:32:00" (2/3) ... [2019-09-09 12:33:39,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4beeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 12:33:39, skipping insertion in model container [2019-09-09 12:33:39,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 12:33:39" (3/3) ... [2019-09-09 12:33:39,767 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem08_label14.c [2019-09-09 12:33:39,778 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 12:33:39,793 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 12:33:39,813 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 12:33:39,844 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 12:33:39,844 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 12:33:39,844 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 12:33:39,844 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 12:33:39,844 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 12:33:39,845 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 12:33:39,845 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 12:33:39,845 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 12:33:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-09 12:33:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18072 [2019-09-09 12:33:44,566 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 12:33:44,581 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] [2019-09-09 12:33:44,586 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 12:33:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 12:33:44,607 INFO L82 PathProgramCache]: Analyzing trace with hash 706198933, now seen corresponding path program 1 times [2019-09-09 12:33:44,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 12:33:44,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:33:44,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 12:33:44,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:33:44,678 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 12:33:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 12:38:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 12:38:44,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 12:38:44,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 12:38:44,796 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 12:38:44,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 12:38:44,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 12:38:44,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 12:38:44,844 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 4 states. [2019-09-09 12:41:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 12:41:33,939 INFO L93 Difference]: Finished difference Result 62495 states and 110975 transitions. [2019-09-09 12:41:33,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 12:41:33,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18071 [2019-09-09 12:41:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 12:41:34,352 INFO L225 Difference]: With dead ends: 62495 [2019-09-09 12:41:34,352 INFO L226 Difference]: Without dead ends: 62423 [2019-09-09 12:41:34,356 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 [2019-09-09 12:41:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62423 states. [2019-09-09 12:41:35,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62423 to 42795. [2019-09-09 12:41:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42795 states. [2019-09-09 12:41:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42795 states to 42795 states and 76714 transitions. [2019-09-09 12:41:35,914 INFO L78 Accepts]: Start accepts. Automaton has 42795 states and 76714 transitions. Word has length 18071 [2019-09-09 12:41:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 12:41:35,959 INFO L475 AbstractCegarLoop]: Abstraction has 42795 states and 76714 transitions. [2019-09-09 12:41:35,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 12:41:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42795 states and 76714 transitions. [2019-09-09 12:41:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18080 [2019-09-09 12:41:39,053 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 12:41:39,065 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] [2019-09-09 12:41:39,066 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 12:41:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 12:41:39,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1898570309, now seen corresponding path program 1 times [2019-09-09 12:41:39,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 12:41:39,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:41:39,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 12:41:39,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:41:39,086 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 12:41:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat