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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/n.c24.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:28:17,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:28:17,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:28:17,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:28:17,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:28:17,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:28:17,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:28:17,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:28:17,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:28:17,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:28:17,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:28:17,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:28:17,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:28:17,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:28:17,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:28:17,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:28:17,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:28:17,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:28:17,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:28:17,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:28:17,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:28:17,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:28:17,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:28:17,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:28:17,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:28:17,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:28:17,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:28:17,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:28:17,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:28:17,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:28:17,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:28:17,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:28:17,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:28:17,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:28:17,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:28:17,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:28:17,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:28:17,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:28:17,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:28:17,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:28:17,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:28:17,512 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 [2019-10-04 09:28:17,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:28:17,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:28:17,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:28:17,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:28:17,528 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:28:17,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:28:17,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:28:17,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:28:17,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:28:17,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:28:17,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:28:17,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:28:17,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:28:17,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:28:17,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:28:17,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:28:17,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:28:17,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:28:17,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:28:17,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:28:17,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:28:17,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:28:17,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:28:17,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:28:17,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:28:17,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:28:17,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:28:17,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:28:17,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:28:17,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:28:17,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:28:17,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:28:17,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:28:17,584 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:28:17,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c24.i [2019-10-04 09:28:17,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ae95387/22835a94c3df4289a418b079966dd6d6/FLAGfc13f1925 [2019-10-04 09:28:18,087 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:28:18,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c24.i [2019-10-04 09:28:18,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ae95387/22835a94c3df4289a418b079966dd6d6/FLAGfc13f1925 [2019-10-04 09:28:18,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ae95387/22835a94c3df4289a418b079966dd6d6 [2019-10-04 09:28:18,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:28:18,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:28:18,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:18,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:28:18,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:28:18,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:18" (1/1) ... [2019-10-04 09:28:18,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12596668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:18, skipping insertion in model container [2019-10-04 09:28:18,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:18" (1/1) ... [2019-10-04 09:28:18,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:28:18,509 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:28:18,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:18,960 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:28:19,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:19,051 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:28:19,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19 WrapperNode [2019-10-04 09:28:19,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:19,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:28:19,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:28:19,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:28:19,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:28:19,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:28:19,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:28:19,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:28:19,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:19" (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 [2019-10-04 09:28:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:28:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:28:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-04 09:28:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-10-04 09:28:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-10-04 09:28:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:28:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-04 09:28:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:28:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:28:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-04 09:28:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-04 09:28:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2019-10-04 09:28:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-04 09:28:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-04 09:28:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2019-10-04 09:28:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-04 09:28:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2019-10-04 09:28:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-04 09:28:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2019-10-04 09:28:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure index [2019-10-04 09:28:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2019-10-04 09:28:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:28:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-04 09:28:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-04 09:28:19,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:28:19,804 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-04 09:28:19,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:19 BoogieIcfgContainer [2019-10-04 09:28:19,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:28:19,806 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:28:19,806 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:28:19,807 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:28:19,808 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:19" (1/1) ... [2019-10-04 09:28:19,809 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:28:19,832 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:28:19,833 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:28:19,840 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:28:19,848 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:28:19,849 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:28:20,060 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-04 09:28:23,160 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-04 09:28:23,167 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:28:23,167 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:28:23,174 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1390#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-04 09:28:23,195 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:28:23,196 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:28:23,208 INFO L168 Benchmark]: Toolchain (without parser) took 4752.47 ms. Allocated memory was 139.5 MB in the beginning and 323.0 MB in the end (delta: 183.5 MB). Free memory was 86.8 MB in the beginning and 160.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,210 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.25 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 172.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,214 INFO L168 Benchmark]: Boogie Preprocessor took 51.84 ms. Allocated memory is still 198.7 MB. Free memory was 172.0 MB in the beginning and 169.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,219 INFO L168 Benchmark]: RCFGBuilder took 701.41 ms. Allocated memory is still 198.7 MB. Free memory was 169.2 MB in the beginning and 127.1 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,223 INFO L168 Benchmark]: Sifa took 3389.93 ms. Allocated memory was 198.7 MB in the beginning and 323.0 MB in the end (delta: 124.3 MB). Free memory was 127.1 MB in the beginning and 160.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:23,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.25 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 172.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.84 ms. Allocated memory is still 198.7 MB. Free memory was 172.0 MB in the beginning and 169.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 701.41 ms. Allocated memory is still 198.7 MB. Free memory was 169.2 MB in the beginning and 127.1 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Sifa took 3389.93 ms. Allocated memory was 198.7 MB in the beginning and 323.0 MB in the end (delta: 124.3 MB). Free memory was 127.1 MB in the beginning and 160.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 91.1 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]: 3342, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 540, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 424, TOOLS_POST_TIME[ms]: 834, TOOLS_POST_CALL_APPLICATIONS: 90, TOOLS_POST_CALL_TIME[ms]: 148, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 318, TOOLS_QUANTIFIERELIM_APPLICATIONS: 554, TOOLS_QUANTIFIERELIM_TIME[ms]: 1162, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 184, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 596, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 118, DOMAIN_JOIN_TIME[ms]: 1192, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 32, DOMAIN_WIDEN_TIME[ms]: 446, DOMAIN_ISSUBSETEQ_APPLICATIONS: 56, DOMAIN_ISSUBSETEQ_TIME[ms]: 120, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME[ms]: 109, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2949, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2949, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 56, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 466, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 465, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 49, DAG_COMPRESSION_PROCESSED_NODES: 550, DAG_COMPRESSION_RETAINED_NODES: 202 - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1390#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...