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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:28:09,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:28:09,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:28:09,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:28:09,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:28:09,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:28:09,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:28:09,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:28:09,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:28:09,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:28:09,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:28:09,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:28:09,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:28:09,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:28:09,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:28:09,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:28:09,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:28:09,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:28:09,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:28:09,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:28:09,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:28:09,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:28:09,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:28:09,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:28:09,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:28:09,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:28:09,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:28:09,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:28:09,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:28:09,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:28:09,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:28:09,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:28:09,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:28:09,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:28:09,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:28:09,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:28:09,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:28:09,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:28:09,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:28:09,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:28:09,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:28:09,584 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 [2019-09-21 08:28:09,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:28:09,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:28:09,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:28:09,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:28:09,600 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:28:09,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:28:09,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:28:09,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:28:09,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:28:09,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:28:09,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:28:09,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:28:09,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:28:09,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:28:09,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:28:09,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:28:09,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:09,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:28:09,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:28:09,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:28:09,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:28:09,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:28:09,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:28:09,605 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 -> 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:28:09,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:28:09,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:28:09,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:28:09,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:28:09,656 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:28:09,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-21 08:28:09,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4833b7/d81c68eebfff4ade878abb7535f024a5/FLAG902197c97 [2019-09-21 08:28:10,297 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:28:10,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-21 08:28:10,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4833b7/d81c68eebfff4ade878abb7535f024a5/FLAG902197c97 [2019-09-21 08:28:10,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4833b7/d81c68eebfff4ade878abb7535f024a5 [2019-09-21 08:28:10,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:28:10,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:28:10,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:10,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:28:10,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:28:10,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:10" (1/1) ... [2019-09-21 08:28:10,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594423d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:10, skipping insertion in model container [2019-09-21 08:28:10,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:10" (1/1) ... [2019-09-21 08:28:10,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:28:10,663 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:28:11,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:11,268 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:28:11,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:11,444 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:28:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11 WrapperNode [2019-09-21 08:28:11,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:11,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:28:11,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:28:11,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:28:11,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (1/1) ... [2019-09-21 08:28:11,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:28:11,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:28:11,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:28:11,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:28:11,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:11" (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 [2019-09-21 08:28:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:28:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:28:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 08:28:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 08:28:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 08:28:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-21 08:28:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-21 08:28:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-21 08:28:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-09-21 08:28:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-09-21 08:28:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-09-21 08:28:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:28:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:28:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:28:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-21 08:28:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-21 08:28:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-21 08:28:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-21 08:28:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-21 08:28:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-21 08:28:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-21 08:28:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-21 08:28:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-21 08:28:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-21 08:28:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-21 08:28:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-21 08:28:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-21 08:28:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-21 08:28:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-21 08:28:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-21 08:28:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-21 08:28:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-21 08:28:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-21 08:28:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-21 08:28:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-21 08:28:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-21 08:28:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-21 08:28:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-21 08:28:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-21 08:28:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-21 08:28:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-21 08:28:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-21 08:28:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-21 08:28:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-21 08:28:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-21 08:28:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-21 08:28:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-21 08:28:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-21 08:28:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-21 08:28:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-21 08:28:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-21 08:28:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-21 08:28:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-21 08:28:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-21 08:28:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-21 08:28:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-21 08:28:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-21 08:28:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-21 08:28:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-21 08:28:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-21 08:28:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-21 08:28:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-21 08:28:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-21 08:28:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-21 08:28:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-21 08:28:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-21 08:28:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-21 08:28:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 08:28:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 08:28:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 08:28:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 08:28:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 08:28:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 08:28:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 08:28:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 08:28:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 08:28:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 08:28:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 08:28:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 08:28:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 08:28:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-21 08:28:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-21 08:28:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-21 08:28:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 08:28:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 08:28:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 08:28:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 08:28:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 08:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 08:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 08:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 08:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 08:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 08:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 08:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 08:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 08:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 08:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 08:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 08:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 08:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 08:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 08:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 08:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 08:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 08:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:28:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 08:28:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 08:28:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 08:28:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 08:28:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 08:28:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 08:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 08:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 08:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 08:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 08:28:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 08:28:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 08:28:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 08:28:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 08:28:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 08:28:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 08:28:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 08:28:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 08:28:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 08:28:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 08:28:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 08:28:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 08:28:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 08:28:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 08:28:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 08:28:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 08:28:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 08:28:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 08:28:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 08:28:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 08:28:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 08:28:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 08:28:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 08:28:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-09-21 08:28:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:28:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:28:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-09-21 08:28:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:28:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:28:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-09-21 08:28:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:28:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:28:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:28:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:28:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:28:12,476 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:28:12,476 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 08:28:12,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:12 BoogieIcfgContainer [2019-09-21 08:28:12,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:28:12,478 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:28:12,478 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:28:12,478 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:28:12,479 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:12" (1/1) ... [2019-09-21 08:28:12,480 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:28:12,506 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:28:12,506 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:28:12,517 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:28:12,528 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:28:12,530 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:28:12,699 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-21 08:28:13,923 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2019-09-21 08:28:13,932 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:28:13,933 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:28:13,935 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 79#(and (exists ((v_prenex_4 Int) (v_prenex_5 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1) (= ~head~0.offset 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= ~head~0.offset 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_4) v_prenex_5) 2))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 08:28:13,954 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:28:13,954 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:28:13,957 INFO L168 Benchmark]: Toolchain (without parser) took 3372.04 ms. Allocated memory was 137.9 MB in the beginning and 271.6 MB in the end (delta: 133.7 MB). Free memory was 83.5 MB in the beginning and 226.8 MB in the end (delta: -143.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:28:13,966 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:28:13,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.21 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 83.5 MB in the beginning and 142.8 MB in the end (delta: -59.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:13,970 INFO L168 Benchmark]: Boogie Preprocessor took 84.59 ms. Allocated memory is still 199.8 MB. Free memory was 142.8 MB in the beginning and 139.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:13,974 INFO L168 Benchmark]: RCFGBuilder took 946.81 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 139.1 MB in the beginning and 174.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:13,975 INFO L168 Benchmark]: Sifa took 1476.19 ms. Allocated memory was 219.7 MB in the beginning and 271.6 MB in the end (delta: 51.9 MB). Free memory was 174.9 MB in the beginning and 226.8 MB in the end (delta: -51.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:28:13,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 860.21 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 83.5 MB in the beginning and 142.8 MB in the end (delta: -59.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.59 ms. Allocated memory is still 199.8 MB. Free memory was 142.8 MB in the beginning and 139.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 946.81 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 139.1 MB in the beginning and 174.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. * Sifa took 1476.19 ms. Allocated memory was 219.7 MB in the beginning and 271.6 MB in the end (delta: 51.9 MB). Free memory was 174.9 MB in the beginning and 226.8 MB in the end (delta: -51.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1430, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 1036, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 49, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 145, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 1196, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 890, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 42, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 54, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 43, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 117, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 116, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1073, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1073, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 86, DAG_COMPRESSION_RETAINED_NODES: 53 - 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 79#(and (exists ((v_prenex_4 Int) (v_prenex_5 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1) (= ~head~0.offset 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= ~head~0.offset 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_4) v_prenex_5) 2))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...