java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 02:40:02,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 02:40:02,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 02:40:02,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 02:40:02,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 02:40:02,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 02:40:02,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 02:40:02,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 02:40:02,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 02:40:02,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 02:40:02,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 02:40:02,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 02:40:02,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 02:40:02,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 02:40:02,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 02:40:02,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 02:40:02,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 02:40:02,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 02:40:02,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 02:40:02,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 02:40:02,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 02:40:02,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 02:40:02,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 02:40:02,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 02:40:02,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 02:40:02,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 02:40:02,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 02:40:02,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 02:40:02,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 02:40:02,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 02:40:02,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 02:40:02,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 02:40:02,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 02:40:02,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 02:40:02,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 02:40:02,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 02:40:02,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 02:40:02,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 02:40:02,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 02:40:02,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 02:40:02,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 02:40:02,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 02:40:02,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 02:40:02,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 02:40:02,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 02:40:02,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 02:40:02,962 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 02:40:02,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 02:40:02,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 02:40:02,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 02:40:02,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 02:40:02,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 02:40:02,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 02:40:02,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 02:40:02,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 02:40:02,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 02:40:02,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 02:40:02,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 02:40:02,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 02:40:02,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 02:40:02,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 02:40:02,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 02:40:02,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 02:40:02,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 02:40:02,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 02:40:02,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 02:40:03,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 02:40:03,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 02:40:03,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 02:40:03,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 02:40:03,026 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 02:40:03,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-18 02:40:03,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6248872d/56c507c749e241adad6fbe047e0ded53/FLAGe4490f6c3 [2019-09-18 02:40:03,600 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 02:40:03,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-18 02:40:03,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6248872d/56c507c749e241adad6fbe047e0ded53/FLAGe4490f6c3 [2019-09-18 02:40:03,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6248872d/56c507c749e241adad6fbe047e0ded53 [2019-09-18 02:40:03,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 02:40:03,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 02:40:03,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 02:40:03,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 02:40:03,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 02:40:03,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:40:03" (1/1) ... [2019-09-18 02:40:03,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307dca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:03, skipping insertion in model container [2019-09-18 02:40:03,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:40:03" (1/1) ... [2019-09-18 02:40:03,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 02:40:03,982 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 02:40:04,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:40:04,217 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 02:40:04,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:40:04,374 INFO L192 MainTranslator]: Completed translation [2019-09-18 02:40:04,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04 WrapperNode [2019-09-18 02:40:04,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 02:40:04,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 02:40:04,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 02:40:04,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 02:40:04,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 02:40:04,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 02:40:04,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 02:40:04,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 02:40:04,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:40:04" (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 [2019-09-18 02:40:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 02:40:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 02:40:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 02:40:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-09-18 02:40:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-09-18 02:40:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 02:40:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 02:40:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 02:40:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 02:40:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-09-18 02:40:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-18 02:40:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-09-18 02:40:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-18 02:40:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-09-18 02:40:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-09-18 02:40:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 02:40:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 02:40:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 02:40:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 02:40:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 02:40:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 02:40:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 02:40:04,943 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 02:40:04,944 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 02:40:04,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:40:04 BoogieIcfgContainer [2019-09-18 02:40:04,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 02:40:04,946 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 02:40:04,946 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 02:40:04,946 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 02:40:04,947 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:40:04" (1/1) ... [2019-09-18 02:40:04,948 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 02:40:04,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 02:40:04,970 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 02:40:04,978 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 02:40:04,987 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 02:40:04,989 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 02:40:05,146 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 02:40:07,337 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 02:40:07,431 INFO L199 IcfgInterpreter]: Interpreting procedure parse_expression_list with input of size 18 for LOIs [2019-09-18 02:40:07,681 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-18 02:40:08,074 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-18 02:40:08,234 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 02:40:08,580 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-18 02:40:08,725 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 02:40:09,119 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-18 02:40:09,399 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-18 02:40:09,950 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-18 02:40:10,060 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 02:40:10,189 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2019-09-18 02:40:10,690 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-18 02:40:10,814 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 02:40:11,283 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-18 02:40:11,406 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 02:40:11,839 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-18 02:40:12,313 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-18 02:40:12,505 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 02:40:12,931 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-18 02:40:13,132 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 02:40:13,576 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-18 02:40:13,781 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 02:40:13,992 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 02:40:14,229 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 02:40:14,773 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-18 02:40:15,042 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 02:40:15,614 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-18 02:40:15,874 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 02:40:16,281 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 02:40:16,629 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-18 02:40:16,815 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-18 02:40:17,240 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-18 02:40:18,279 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-18 02:40:18,595 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-18 02:40:18,736 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-18 02:40:18,858 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-18 02:40:19,313 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-18 02:40:19,415 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 02:40:19,677 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-18 02:40:19,820 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 02:40:20,096 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-18 02:40:20,233 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 02:40:20,380 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 02:40:20,531 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 02:40:20,858 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-18 02:40:21,034 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 02:40:21,365 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-18 02:40:21,518 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 02:40:21,734 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 02:40:22,071 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-18 02:40:22,235 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-18 02:40:22,619 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-18 02:40:22,628 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 02:40:22,628 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 02:40:22,630 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 387#false [2019-09-18 02:40:22,639 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-18 02:40:22,639 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 02:40:22,641 INFO L168 Benchmark]: Toolchain (without parser) took 18693.21 ms. Allocated memory was 133.7 MB in the beginning and 373.8 MB in the end (delta: 240.1 MB). Free memory was 87.9 MB in the beginning and 227.6 MB in the end (delta: -139.7 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,642 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.40 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.7 MB in the beginning and 174.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,643 INFO L168 Benchmark]: Boogie Preprocessor took 59.80 ms. Allocated memory is still 199.8 MB. Free memory was 174.5 MB in the beginning and 172.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,644 INFO L168 Benchmark]: RCFGBuilder took 510.02 ms. Allocated memory is still 199.8 MB. Free memory was 172.1 MB in the beginning and 143.9 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,645 INFO L168 Benchmark]: Sifa took 17693.45 ms. Allocated memory was 199.8 MB in the beginning and 373.8 MB in the end (delta: 174.1 MB). Free memory was 143.9 MB in the beginning and 227.6 MB in the end (delta: -83.7 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:22,649 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 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 426.40 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.7 MB in the beginning and 174.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.80 ms. Allocated memory is still 199.8 MB. Free memory was 174.5 MB in the beginning and 172.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.02 ms. Allocated memory is still 199.8 MB. Free memory was 172.1 MB in the beginning and 143.9 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Sifa took 17693.45 ms. Allocated memory was 199.8 MB in the beginning and 373.8 MB in the end (delta: 174.1 MB). Free memory was 143.9 MB in the beginning and 227.6 MB in the end (delta: -83.7 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17661, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 232, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 205, TOOLS_POST_TIME[ms]: 370, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 209, TOOLS_QUANTIFIERELIM_TIME[ms]: 331, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 67, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 251, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 12975, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 3943, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 70, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 97, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13570, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13570, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 160, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 160, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 75, DAG_COMPRESSION_PROCESSED_NODES: 1178, DAG_COMPRESSION_RETAINED_NODES: 540 - 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...