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-programs/Problem102_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 00:41:31,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 00:41:31,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 00:41:31,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 00:41:31,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 00:41:31,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 00:41:31,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 00:41:31,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 00:41:31,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 00:41:31,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 00:41:31,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 00:41:31,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 00:41:31,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 00:41:31,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 00:41:31,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 00:41:31,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 00:41:31,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 00:41:31,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 00:41:31,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 00:41:31,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 00:41:31,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 00:41:31,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 00:41:31,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 00:41:31,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 00:41:31,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 00:41:31,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 00:41:31,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 00:41:31,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 00:41:31,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 00:41:31,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 00:41:31,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 00:41:31,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 00:41:31,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 00:41:31,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 00:41:31,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 00:41:31,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 00:41:31,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 00:41:31,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 00:41:31,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 00:41:31,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 00:41:31,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 00:41:31,302 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 [2019-09-10 00:41:31,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 00:41:31,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 00:41:31,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 00:41:31,331 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 00:41:31,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 00:41:31,332 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 00:41:31,333 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 00:41:31,333 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 00:41:31,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 00:41:31,333 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 00:41:31,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 00:41:31,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 00:41:31,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 00:41:31,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 00:41:31,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 00:41:31,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 00:41:31,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 00:41:31,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 00:41:31,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 00:41:31,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 00:41:31,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 00:41:31,337 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 00:41:31,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 00:41:31,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 00:41:31,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 00:41:31,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 00:41:31,339 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 00:41:31,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 00:41:31,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 00:41:31,339 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 00:41:31,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 00:41:31,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 00:41:31,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 00:41:31,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 00:41:31,407 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 00:41:31,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem102_label31.c [2019-09-10 00:41:31,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ad4b219/041ebe98828c4cb0bcccc9e0f19b0598/FLAG99f0afb0c [2019-09-10 00:41:35,608 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 00:41:35,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem102_label31.c [2019-09-10 00:41:35,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ad4b219/041ebe98828c4cb0bcccc9e0f19b0598/FLAG99f0afb0c [2019-09-10 00:41:36,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ad4b219/041ebe98828c4cb0bcccc9e0f19b0598 [2019-09-10 00:41:36,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 00:41:36,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 00:41:36,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 00:41:36,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 00:41:36,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 00:41:36,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:41:36" (1/1) ... [2019-09-10 00:41:36,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6595b9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:41:36, skipping insertion in model container [2019-09-10 00:41:36,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:41:36" (1/1) ... [2019-09-10 00:41:36,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 00:41:37,961 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 00:42:03,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 00:42:03,564 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 00:42:24,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 00:42:35,319 INFO L192 MainTranslator]: Completed translation [2019-09-10 00:42:35,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35 WrapperNode [2019-09-10 00:42:35,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 00:42:35,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 00:42:35,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 00:42:35,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 00:42:35,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:35,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:36,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:36,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:45,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:45,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:46,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (1/1) ... [2019-09-10 00:42:46,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 00:42:46,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 00:42:46,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 00:42:46,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 00:42:46,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (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 [2019-09-10 00:42:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 00:42:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 00:42:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 00:42:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-10 00:42:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-10 00:42:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-10 00:42:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-10 00:42:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-10 00:42:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-10 00:42:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-10 00:42:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-10 00:42:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-10 00:42:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-10 00:42:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-10 00:42:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-10 00:42:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-10 00:42:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-10 00:42:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-10 00:42:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-10 00:42:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-10 00:42:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-10 00:42:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-10 00:42:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-10 00:42:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-10 00:42:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-10 00:42:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-10 00:42:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-10 00:42:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-10 00:42:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-10 00:42:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 00:42:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 00:42:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 00:44:20,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 00:44:20,343 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 00:44:20,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:44:20 BoogieIcfgContainer [2019-09-10 00:44:20,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 00:44:20,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 00:44:20,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 00:44:20,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 00:44:20,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:41:36" (1/3) ... [2019-09-10 00:44:20,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a030d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:44:20, skipping insertion in model container [2019-09-10 00:44:20,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:42:35" (2/3) ... [2019-09-10 00:44:20,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a030d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:44:20, skipping insertion in model container [2019-09-10 00:44:20,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:44:20" (3/3) ... [2019-09-10 00:44:20,366 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem102_label31.c [2019-09-10 00:44:20,377 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 00:44:20,392 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 00:44:20,411 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 00:44:20,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 00:44:20,436 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 00:44:20,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 00:44:20,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 00:44:20,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 00:44:20,437 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 00:44:20,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 00:44:20,437 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 00:44:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-10 00:44:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18088 [2019-09-10 00:44:24,884 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 00:44:24,898 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] [2019-09-10 00:44:24,903 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 00:44:24,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 00:44:24,930 INFO L82 PathProgramCache]: Analyzing trace with hash 544382421, now seen corresponding path program 1 times [2019-09-10 00:44:24,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 00:44:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 00:44:24,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 00:44:24,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 00:44:24,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 00:44:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 00:49:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 00:49:34,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 00:49:34,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 00:49:34,538 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 00:49:34,578 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 00:49:34,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 00:49:34,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 00:49:34,600 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 3 states. [2019-09-10 00:51:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 00:51:29,927 INFO L93 Difference]: Finished difference Result 42991 states and 79078 transitions. [2019-09-10 00:51:29,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 00:51:29,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18087 [2019-09-10 00:51:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 00:51:30,247 INFO L225 Difference]: With dead ends: 42991 [2019-09-10 00:51:30,247 INFO L226 Difference]: Without dead ends: 42923 [2019-09-10 00:51:30,250 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 2 SyntacticMatches, 84 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 00:51:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42923 states. [2019-09-10 00:51:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42923 to 42650. [2019-09-10 00:51:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42650 states. [2019-09-10 00:51:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42650 states to 42650 states and 78415 transitions. [2019-09-10 00:51:31,730 INFO L78 Accepts]: Start accepts. Automaton has 42650 states and 78415 transitions. Word has length 18087 [2019-09-10 00:51:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 00:51:31,775 INFO L475 AbstractCegarLoop]: Abstraction has 42650 states and 78415 transitions. [2019-09-10 00:51:31,775 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 00:51:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 42650 states and 78415 transitions. [2019-09-10 00:51:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18101 [2019-09-10 00:51:34,477 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 00:51:34,488 INFO L399 BasicCegarLoop]: trace histogram [2, 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, 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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] [2019-09-10 00:51:34,489 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 00:51:34,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 00:51:34,500 INFO L82 PathProgramCache]: Analyzing trace with hash 184892571, now seen corresponding path program 1 times [2019-09-10 00:51:34,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 00:51:34,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 00:51:34,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 00:51:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 00:51:34,507 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 00:51:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 00:53:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 00:53:30,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 00:53:30,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 00:53:30,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 00:53:30,846 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 00:53:30,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 00:53:30,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-10 00:53:30,847 INFO L87 Difference]: Start difference. First operand 42650 states and 78415 transitions. Second operand 6 states.