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 -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:44:51,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:44:51,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:44:51,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:44:51,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:44:51,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:44:51,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:44:51,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:44:51,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:44:51,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:44:51,595 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:44:51,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:44:51,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:44:51,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:44:51,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:44:51,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:44:51,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:44:51,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:44:51,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:44:51,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:44:51,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:44:51,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:44:51,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:44:51,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:44:51,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:44:51,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:44:51,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:44:51,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:44:51,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:44:51,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:44:51,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:44:51,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:44:51,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:44:51,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:44:51,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:44:51,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:44:51,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:44:51,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:44:51,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:44:51,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:44:51,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:44:51,627 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 [2019-08-22 21:44:51,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:44:51,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:44:51,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:44:51,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:44:51,664 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:44:51,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:44:51,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:44:51,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:44:51,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:44:51,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:44:51,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:44:51,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:44:51,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:44:51,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:44:51,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:44:51,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:44:51,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:44:51,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:44:51,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:44:51,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:44:51,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:44:51,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:44:51,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:44:51,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:44:51,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:44:51,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:44:51,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:44:51,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:44:51,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:44:51,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:44:51,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:44:51,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:44:51,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:44:51,724 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:44:51,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-08-22 21:44:51,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5638efa1e/3bff2bbf57634395892cacb3eff133c2/FLAGaea2b04e7 [2019-08-22 21:44:52,289 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:44:52,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-08-22 21:44:52,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5638efa1e/3bff2bbf57634395892cacb3eff133c2/FLAGaea2b04e7 [2019-08-22 21:44:52,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5638efa1e/3bff2bbf57634395892cacb3eff133c2 [2019-08-22 21:44:52,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:44:52,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:44:52,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:52,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:44:52,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:44:52,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:52" (1/1) ... [2019-08-22 21:44:52,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bda377b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:52, skipping insertion in model container [2019-08-22 21:44:52,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:52" (1/1) ... [2019-08-22 21:44:52,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:44:52,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:44:53,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:53,135 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:44:53,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:53,234 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:44:53,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53 WrapperNode [2019-08-22 21:44:53,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:53,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:44:53,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:44:53,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:44:53,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:44:53,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:44:53,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:44:53,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:44:53,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:53" (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 [2019-08-22 21:44:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:44:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:44:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-22 21:44:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-08-22 21:44:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-08-22 21:44:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:44:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:44:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-22 21:44:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-22 21:44:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-22 21:44:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-22 21:44:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-22 21:44:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-22 21:44:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-22 21:44:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-22 21:44:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-22 21:44:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-22 21:44:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-22 21:44:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-22 21:44:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-22 21:44:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-22 21:44:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-22 21:44:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-22 21:44:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-22 21:44:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-22 21:44:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-22 21:44:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-22 21:44:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-22 21:44:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-22 21:44:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:44:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-08-22 21:44:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-08-22 21:44:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-08-22 21:44:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:44:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:44:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:44:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:44:53,861 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:44:53,861 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:44:53,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:53 BoogieIcfgContainer [2019-08-22 21:44:53,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:44:53,863 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:44:53,863 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:44:53,863 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:44:53,864 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:53" (1/1) ... [2019-08-22 21:44:53,882 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:44:53,884 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:44:53,893 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:44:53,903 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:44:53,904 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:44:53,968 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 3=[|v_#valid_10|]} [2019-08-22 21:44:53,998 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:44:53,998 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:54,092 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-22 21:44:54,093 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,176 INFO L567 ElimStorePlain]: treesize reduction 4, result has 94.5 percent of original size [2019-08-22 21:44:54,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,178 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:69 [2019-08-22 21:44:54,218 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 57 [2019-08-22 21:44:54,272 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_17|, |v_#memory_$Pointer$.offset_17|], 2=[|v_#memory_int_19|]} [2019-08-22 21:44:54,281 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-08-22 21:44:54,281 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,312 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-08-22 21:44:54,313 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,330 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,336 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-22 21:44:54,337 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,355 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:22 [2019-08-22 21:44:54,381 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,395 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,728 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-08-22 21:44:54,729 INFO L567 ElimStorePlain]: treesize reduction 169, result has 44.6 percent of original size [2019-08-22 21:44:54,734 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,813 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,814 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:343, output treesize:117 [2019-08-22 21:44:54,822 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_18|], 2=[|v_#memory_int_20|]} [2019-08-22 21:44:54,828 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-08-22 21:44:54,828 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,857 INFO L567 ElimStorePlain]: treesize reduction 18, result has 72.7 percent of original size [2019-08-22 21:44:54,863 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-08-22 21:44:54,863 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,882 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-22 21:44:54,883 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,891 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,891 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:85, output treesize:16 [2019-08-22 21:44:54,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-22 21:44:54,908 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:54,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:54,984 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:117 [2019-08-22 21:44:54,993 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_1|], 6=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-22 21:44:55,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,004 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-22 21:44:55,005 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,111 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,112 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-22 21:44:55,113 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,292 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-08-22 21:44:55,293 INFO L567 ElimStorePlain]: treesize reduction 14, result has 89.1 percent of original size [2019-08-22 21:44:55,296 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#memory_int)_BEFORE_CALL_1|], 2=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_1|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_1|]} [2019-08-22 21:44:55,305 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-22 21:44:55,307 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,398 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-22 21:44:55,399 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,455 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,464 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-22 21:44:55,465 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,510 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,510 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,511 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:126, output treesize:74 [2019-08-22 21:44:55,519 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_2|], 6=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-22 21:44:55,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,531 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-22 21:44:55,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,609 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,625 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,626 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-22 21:44:55,627 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,757 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-08-22 21:44:55,757 INFO L567 ElimStorePlain]: treesize reduction 8, result has 93.0 percent of original size [2019-08-22 21:44:55,759 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#memory_int)_BEFORE_CALL_2|], 2=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_2|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2|]} [2019-08-22 21:44:55,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-22 21:44:55,766 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,827 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,835 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-22 21:44:55,836 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,891 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-22 21:44:55,891 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:55,933 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:55,933 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:118, output treesize:66 [2019-08-22 21:44:55,946 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_3|], 6=[|v_old(#valid)_BEFORE_CALL_3|]} [2019-08-22 21:44:55,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:55,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-22 21:44:55,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,194 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-08-22 21:44:56,195 INFO L567 ElimStorePlain]: treesize reduction 12, result has 92.9 percent of original size [2019-08-22 21:44:56,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,225 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:56,225 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-22 21:44:56,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,462 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-08-22 21:44:56,463 INFO L567 ElimStorePlain]: treesize reduction 8, result has 94.8 percent of original size [2019-08-22 21:44:56,464 INFO L392 ElimStorePlain]: Different costs {2=[|v_old(#memory_int)_BEFORE_CALL_3|], 6=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_3|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_3|]} [2019-08-22 21:44:56,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,478 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-08-22 21:44:56,478 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,558 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:56,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,571 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-08-22 21:44:56,572 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,653 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:56,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:56,680 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-08-22 21:44:56,681 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:56,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:56,759 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:170, output treesize:113 [2019-08-22 21:44:56,762 INFO L185 IcfgInterpreter]: Interpreting procedure list_add with input of size 76 [2019-08-22 21:44:56,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:56,771 INFO L185 IcfgInterpreter]: Interpreting procedure list_del with input of size 44 [2019-08-22 21:44:56,773 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 [2019-08-22 21:44:56,774 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:44:56,774 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:44:56,776 INFO L179 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 76#false [2019-08-22 21:44:56,779 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 21:44:56,779 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:44:56,781 INFO L168 Benchmark]: Toolchain (without parser) took 4163.70 ms. Allocated memory was 132.6 MB in the beginning and 263.2 MB in the end (delta: 130.5 MB). Free memory was 85.9 MB in the beginning and 185.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 135.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,782 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.22 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 85.7 MB in the beginning and 159.8 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,784 INFO L168 Benchmark]: Boogie Preprocessor took 90.50 ms. Allocated memory is still 198.7 MB. Free memory was 159.8 MB in the beginning and 157.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,784 INFO L168 Benchmark]: RCFGBuilder took 535.67 ms. Allocated memory is still 198.7 MB. Free memory was 157.4 MB in the beginning and 115.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,785 INFO L168 Benchmark]: Symbolic Interpretation took 2916.62 ms. Allocated memory was 198.7 MB in the beginning and 263.2 MB in the end (delta: 64.5 MB). Free memory was 115.2 MB in the beginning and 185.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 98.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:56,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 617.22 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 85.7 MB in the beginning and 159.8 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.50 ms. Allocated memory is still 198.7 MB. Free memory was 159.8 MB in the beginning and 157.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.67 ms. Allocated memory is still 198.7 MB. Free memory was 157.4 MB in the beginning and 115.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2916.62 ms. Allocated memory was 198.7 MB in the beginning and 263.2 MB in the end (delta: 64.5 MB). Free memory was 115.2 MB in the beginning and 185.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 98.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...