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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:07:22,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:07:22,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:07:22,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:07:22,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:07:22,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:07:22,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:07:22,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:07:22,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:07:22,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:07:22,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:07:22,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:07:22,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:07:22,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:07:22,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:07:22,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:07:22,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:07:22,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:07:22,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:07:22,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:07:22,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:07:22,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:07:22,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:07:22,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:07:23,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:07:23,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:07:23,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:07:23,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:07:23,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:07:23,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:07:23,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:07:23,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:07:23,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:07:23,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:07:23,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:07:23,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:07:23,018 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 [2019-10-13 21:07:23,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:07:23,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:07:23,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:07:23,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:07:23,035 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:07:23,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:07:23,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:07:23,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:07:23,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:07:23,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:07:23,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:07:23,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:07:23,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:07:23,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:07:23,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:07:23,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:07:23,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:07:23,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:07:23,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:07:23,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:07:23,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:07:23,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:07:23,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:07:23,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:07:23,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:07:23,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:07:23,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:07:23,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:07:23,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:07:23,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:07:23,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:07:23,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:07:23,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:07:23,396 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:07:23,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-13 21:07:23,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a9189f9/06deb421325b449f895de1199ab55695/FLAGe734646db [2019-10-13 21:07:23,911 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:07:23,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-13 21:07:23,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a9189f9/06deb421325b449f895de1199ab55695/FLAGe734646db [2019-10-13 21:07:24,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a9189f9/06deb421325b449f895de1199ab55695 [2019-10-13 21:07:24,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:07:24,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:07:24,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:07:24,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:07:24,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:07:24,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5f41b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24, skipping insertion in model container [2019-10-13 21:07:24,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:07:24,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:07:24,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:07:24,633 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:07:24,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:07:24,773 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:07:24,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24 WrapperNode [2019-10-13 21:07:24,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:07:24,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:07:24,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:07:24,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:07:24,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (1/1) ... [2019-10-13 21:07:24,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:07:24,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:07:24,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:07:24,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:07:24,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (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 [2019-10-13 21:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 21:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-10-13 21:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-10-13 21:07:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 21:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 21:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-13 21:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-13 21:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-13 21:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-13 21:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-10-13 21:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-13 21:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 21:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-13 21:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 21:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-10-13 21:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 21:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-10-13 21:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-10-13 21:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:07:25,325 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:07:25,326 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:07:25,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:07:25 BoogieIcfgContainer [2019-10-13 21:07:25,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:07:25,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:07:25,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:07:25,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:07:25,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:07:24" (1/3) ... [2019-10-13 21:07:25,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24aad0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:07:25, skipping insertion in model container [2019-10-13 21:07:25,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:07:24" (2/3) ... [2019-10-13 21:07:25,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24aad0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:07:25, skipping insertion in model container [2019-10-13 21:07:25,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:07:25" (3/3) ... [2019-10-13 21:07:25,337 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-13 21:07:25,346 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:07:25,353 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:07:25,364 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:07:25,389 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:07:25,389 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:07:25,389 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:07:25,389 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:07:25,390 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:07:25,390 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:07:25,390 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:07:25,390 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:07:25,407 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-10-13 21:07:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 21:07:25,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:07:25,415 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:07:25,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:07:25,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:07:25,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1663477819, now seen corresponding path program 1 times [2019-10-13 21:07:25,428 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:07:25,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328831374] [2019-10-13 21:07:25,429 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,429 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:07:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:07:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:07:25,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328831374] [2019-10-13 21:07:25,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:07:25,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:07:25,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948037844] [2019-10-13 21:07:25,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:07:25,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:07:25,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:07:25,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:07:25,625 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2019-10-13 21:07:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:07:25,674 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2019-10-13 21:07:25,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:07:25,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-13 21:07:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:07:25,685 INFO L225 Difference]: With dead ends: 104 [2019-10-13 21:07:25,685 INFO L226 Difference]: Without dead ends: 49 [2019-10-13 21:07:25,689 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:07:25,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-13 21:07:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2019-10-13 21:07:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-13 21:07:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2019-10-13 21:07:25,736 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2019-10-13 21:07:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:07:25,737 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2019-10-13 21:07:25,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:07:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2019-10-13 21:07:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 21:07:25,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:07:25,740 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:07:25,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:07:25,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:07:25,741 INFO L82 PathProgramCache]: Analyzing trace with hash 227833136, now seen corresponding path program 1 times [2019-10-13 21:07:25,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:07:25,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089524793] [2019-10-13 21:07:25,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:07:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:07:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:07:25,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089524793] [2019-10-13 21:07:25,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:07:25,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:07:25,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123114577] [2019-10-13 21:07:25,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:07:25,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:07:25,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:07:25,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:07:25,858 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 3 states. [2019-10-13 21:07:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:07:25,891 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2019-10-13 21:07:25,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:07:25,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-13 21:07:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:07:25,894 INFO L225 Difference]: With dead ends: 84 [2019-10-13 21:07:25,894 INFO L226 Difference]: Without dead ends: 49 [2019-10-13 21:07:25,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:07:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-13 21:07:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-13 21:07:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-13 21:07:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2019-10-13 21:07:25,904 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2019-10-13 21:07:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:07:25,904 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2019-10-13 21:07:25,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:07:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2019-10-13 21:07:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 21:07:25,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:07:25,906 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:07:25,906 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:07:25,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:07:25,907 INFO L82 PathProgramCache]: Analyzing trace with hash 446687854, now seen corresponding path program 1 times [2019-10-13 21:07:25,907 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:07:25,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331153404] [2019-10-13 21:07:25,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:07:25,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:07:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:07:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:07:26,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331153404] [2019-10-13 21:07:26,047 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:07:26,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:07:26,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440163492] [2019-10-13 21:07:26,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:07:26,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:07:26,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:07:26,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:07:26,052 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 5 states. [2019-10-13 21:07:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:07:26,175 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-10-13 21:07:26,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:07:26,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-13 21:07:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:07:26,177 INFO L225 Difference]: With dead ends: 61 [2019-10-13 21:07:26,177 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:07:26,178 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:07:26,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:07:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:07:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:07:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:07:26,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-10-13 21:07:26,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:07:26,181 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:07:26,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:07:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:07:26,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:07:26,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:07:26,247 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-10-13 21:07:26,247 INFO L443 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-10-13 21:07:26,248 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-10-13 21:07:26,248 INFO L443 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-10-13 21:07:26,248 INFO L443 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-10-13 21:07:26,248 INFO L446 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2019-10-13 21:07:26,248 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-10-13 21:07:26,248 INFO L443 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-10-13 21:07:26,249 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-10-13 21:07:26,249 INFO L446 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2019-10-13 21:07:26,249 INFO L443 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-10-13 21:07:26,249 INFO L439 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-10-13 21:07:26,249 INFO L443 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-10-13 21:07:26,249 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-10-13 21:07:26,249 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:07:26,250 INFO L443 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-10-13 21:07:26,250 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-10-13 21:07:26,250 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-13 21:07:26,250 INFO L443 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2019-10-13 21:07:26,250 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-10-13 21:07:26,251 INFO L446 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2019-10-13 21:07:26,251 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-10-13 21:07:26,251 INFO L443 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2019-10-13 21:07:26,251 INFO L443 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-10-13 21:07:26,251 INFO L443 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-10-13 21:07:26,252 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 21:07:26,252 INFO L443 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-10-13 21:07:26,252 INFO L443 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-10-13 21:07:26,252 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-13 21:07:26,252 INFO L446 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-10-13 21:07:26,252 INFO L443 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-10-13 21:07:26,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:07:26,253 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:07:26,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:07:26,253 INFO L443 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2019-10-13 21:07:26,253 INFO L443 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2019-10-13 21:07:26,253 INFO L446 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2019-10-13 21:07:26,254 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:07:26,254 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 21:07:26,254 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:07:26,254 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:07:26,254 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2019-10-13 21:07:26,255 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2019-10-13 21:07:26,255 INFO L446 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2019-10-13 21:07:26,255 INFO L443 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-10-13 21:07:26,255 INFO L443 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-10-13 21:07:26,255 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2019-10-13 21:07:26,256 INFO L446 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-10-13 21:07:26,256 INFO L443 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-10-13 21:07:26,256 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-13 21:07:26,256 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-13 21:07:26,256 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-13 21:07:26,257 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-13 21:07:26,257 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-13 21:07:26,257 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-13 21:07:26,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:07:26 BoogieIcfgContainer [2019-10-13 21:07:26,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:07:26,268 INFO L168 Benchmark]: Toolchain (without parser) took 1974.00 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 100.3 MB in the beginning and 86.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,269 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.25 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 175.6 MB in the end (delta: -75.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,272 INFO L168 Benchmark]: Boogie Preprocessor took 47.69 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 173.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,272 INFO L168 Benchmark]: RCFGBuilder took 502.48 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 145.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,273 INFO L168 Benchmark]: TraceAbstraction took 937.28 ms. Allocated memory is still 199.2 MB. Free memory was 144.3 MB in the beginning and 86.6 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:07:26,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 482.25 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 175.6 MB in the end (delta: -75.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.69 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 173.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 502.48 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 145.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 937.28 ms. Allocated memory is still 199.2 MB. Free memory was 144.3 MB in the beginning and 86.6 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 20 SDslu, 236 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 22 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...