/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_address.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:56:41,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:56:41,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:56:41,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 14:56:41,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 14:56:41,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 14:56:41,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 14:56:41,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 14:56:41,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 14:56:41,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 14:56:41,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 14:56:41,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 14:56:41,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:56:41,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:56:41,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:56:41,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:56:41,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:56:41,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:56:41,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:56:41,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:56:41,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:56:41,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:56:41,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:56:41,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:56:41,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 14:56:41,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 14:56:41,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 14:56:41,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 14:56:41,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 14:56:41,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 14:56:41,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 14:56:41,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 14:56:41,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 14:56:41,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 14:56:41,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 14:56:41,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 14:56:41,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 14:56:41,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 14:56:41,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:56:41,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:56:41,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:56:41,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 14:56:41,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:56:41,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:56:41,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:56:41,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:56:41,443 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:56:41,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:56:41,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:56:41,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:56:41,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:56:41,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:56:41,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:56:41,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:56:41,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:56:41,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:56:41,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:56:41,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:56:41,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:56:41,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:56:41,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:56:41,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:56:41,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:56:41,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:56:41,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:56:41,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:56:41,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:56:41,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:56:41,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:56:41,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:56:41,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:56:41,777 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:56:41,778 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_address.i [2020-08-21 14:56:41,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/159116c1a/0bf3965fe8c94767a98492751ee8afe3/FLAG13ede5724 [2020-08-21 14:56:42,355 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:56:42,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_address.i [2020-08-21 14:56:42,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/159116c1a/0bf3965fe8c94767a98492751ee8afe3/FLAG13ede5724 [2020-08-21 14:56:42,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/159116c1a/0bf3965fe8c94767a98492751ee8afe3 [2020-08-21 14:56:42,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:56:42,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:56:42,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:56:42,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:56:42,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:56:42,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:56:42" (1/1) ... [2020-08-21 14:56:42,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2af471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:42, skipping insertion in model container [2020-08-21 14:56:42,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:56:42" (1/1) ... [2020-08-21 14:56:42,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:56:42,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:56:43,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:56:43,055 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:56:43,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:56:43,271 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:56:43,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43 WrapperNode [2020-08-21 14:56:43,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:56:43,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:56:43,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:56:43,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:56:43,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... [2020-08-21 14:56:43,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:56:43,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:56:43,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:56:43,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:56:43,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 14:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-21 14:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-08-21 14:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_fail_path [2020-08-21 14:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:56:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:56:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-08-21 14:56:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-08-21 14:56:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-08-21 14:56:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-08-21 14:56:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-08-21 14:56:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-08-21 14:56:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-08-21 14:56:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-08-21 14:56:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-08-21 14:56:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-08-21 14:56:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-08-21 14:56:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-08-21 14:56:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-08-21 14:56:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-08-21 14:56:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-08-21 14:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-08-21 14:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-08-21 14:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-08-21 14:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 14:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-08-21 14:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-08-21 14:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure rr_fail_path [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 14:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 14:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:56:43,832 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:56:43,832 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 14:56:43,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:56:43 BoogieIcfgContainer [2020-08-21 14:56:43,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:56:43,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:56:43,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:56:43,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:56:43,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:56:42" (1/3) ... [2020-08-21 14:56:43,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16654f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:56:43, skipping insertion in model container [2020-08-21 14:56:43,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:56:43" (2/3) ... [2020-08-21 14:56:43,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16654f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:56:43, skipping insertion in model container [2020-08-21 14:56:43,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:56:43" (3/3) ... [2020-08-21 14:56:43,858 INFO L109 eAbstractionObserver]: Analyzing ICFG test_address.i [2020-08-21 14:56:43,876 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:56:43,882 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:56:43,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:56:43,915 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:56:43,915 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:56:43,915 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:56:43,915 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:56:43,915 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:56:43,916 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:56:43,916 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:56:43,916 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:56:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-08-21 14:56:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 14:56:43,946 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:56:43,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:56:43,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:56:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:56:43,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1486323812, now seen corresponding path program 1 times [2020-08-21 14:56:43,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:56:43,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020931481] [2020-08-21 14:56:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:56:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:56:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:56:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:56:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:56:44,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020931481] [2020-08-21 14:56:44,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:56:44,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 14:56:44,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23261937] [2020-08-21 14:56:44,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:56:44,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:56:44,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:56:44,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:56:44,283 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2020-08-21 14:56:44,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:56:44,488 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-08-21 14:56:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:56:44,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-08-21 14:56:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:56:44,497 INFO L225 Difference]: With dead ends: 34 [2020-08-21 14:56:44,498 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:56:44,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:56:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:56:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:56:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:56:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:56:44,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-08-21 14:56:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:56:44,528 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:56:44,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:56:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:56:44,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:56:44,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:56:44,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:56:44,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:56:44,607 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-21 14:56:44,607 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:56:44,607 INFO L268 CegarLoopResult]: For program point rr_fail_pathFINAL(lines 867 870) no Hoare annotation was computed. [2020-08-21 14:56:44,607 INFO L271 CegarLoopResult]: At program point rr_fail_pathENTRY(lines 867 870) the Hoare annotation is: true [2020-08-21 14:56:44,607 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (or (not (= rr_fail_path_~pi.base 0)) (= |rr_fail_path_#in~pi.base| 0)) [2020-08-21 14:56:44,607 INFO L268 CegarLoopResult]: For program point rr_fail_pathEXIT(lines 867 870) no Hoare annotation was computed. [2020-08-21 14:56:44,608 INFO L271 CegarLoopResult]: At program point list_addENTRY(lines 863 865) the Hoare annotation is: true [2020-08-21 14:56:44,608 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-21 14:56:44,608 INFO L264 CegarLoopResult]: At program point L864-2(line 864) the Hoare annotation is: (= |list_add_#in~new.base| 0) [2020-08-21 14:56:44,608 INFO L268 CegarLoopResult]: For program point L864-3(lines 863 865) no Hoare annotation was computed. [2020-08-21 14:56:44,608 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 863 865) no Hoare annotation was computed. [2020-08-21 14:56:44,608 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2020-08-21 14:56:44,608 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 852 855) no Hoare annotation was computed. [2020-08-21 14:56:44,609 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 852 855) no Hoare annotation was computed. [2020-08-21 14:56:44,609 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 852 855) the Hoare annotation is: true [2020-08-21 14:56:44,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:56:44,609 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 14:56:44,609 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:56:44,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:56:44,609 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 873 876) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-21 14:56:44,609 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 873 876) no Hoare annotation was computed. [2020-08-21 14:56:44,610 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (not (= |main_~#pi~0.base| 0)) [2020-08-21 14:56:44,610 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-21 14:56:44,610 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 873 876) no Hoare annotation was computed. [2020-08-21 14:56:44,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:56:44 BoogieIcfgContainer [2020-08-21 14:56:44,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:56:44,618 INFO L168 Benchmark]: Toolchain (without parser) took 1933.05 ms. Allocated memory was 140.5 MB in the beginning and 236.5 MB in the end (delta: 95.9 MB). Free memory was 103.2 MB in the beginning and 190.8 MB in the end (delta: -87.7 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:56:44,620 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:56:44,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.14 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 171.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-08-21 14:56:44,621 INFO L168 Benchmark]: Boogie Preprocessor took 52.87 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 168.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:56:44,622 INFO L168 Benchmark]: RCFGBuilder took 512.79 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 130.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:56:44,623 INFO L168 Benchmark]: TraceAbstraction took 776.11 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 129.3 MB in the beginning and 190.8 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 14:56:44,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 586.14 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 171.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.87 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 168.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 512.79 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 130.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 776.11 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 129.3 MB in the beginning and 190.8 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 854]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 13 SDslu, 47 SDs, 0 SdLazy, 49 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 33 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 55 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...