/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_malloc-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:12:28,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:12:28,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:12:28,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:12:28,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:12:28,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:12:28,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:12:28,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:12:28,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:12:28,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:12:28,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:12:28,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:12:28,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:12:28,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:12:28,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:12:28,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:12:28,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:12:28,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:12:28,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:12:28,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:12:28,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:12:28,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:12:28,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:12:28,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:12:28,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:12:28,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:12:28,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:12:28,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:12:28,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:12:28,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:12:28,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:12:28,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:12:28,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:12:28,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:12:28,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:12:28,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:12:28,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:12:28,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:12:28,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:12:28,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:12:28,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:12:28,545 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 [2021-02-21 16:12:28,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:12:28,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:12:28,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:12:28,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:12:28,603 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:12:28,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:12:28,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:12:28,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:12:28,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:12:28,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:12:28,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:12:28,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:12:28,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:12:28,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:12:28,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:12:28,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:12:28,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:12:28,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:12:28,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:12:28,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:12:28,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:12:28,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:12:28,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:12:28,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:12:28,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:12:28,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:12:28,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:12:28,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:12:28,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:12:29,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:12:29,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:12:29,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:12:29,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:12:29,037 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:12:29,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-21 16:12:29,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52162fb81/8366f00d3edf4be6b23cf5c1a0e3b348/FLAG91c047ee7 [2021-02-21 16:12:29,835 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:12:29,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-21 16:12:29,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52162fb81/8366f00d3edf4be6b23cf5c1a0e3b348/FLAG91c047ee7 [2021-02-21 16:12:30,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52162fb81/8366f00d3edf4be6b23cf5c1a0e3b348 [2021-02-21 16:12:30,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:12:30,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:12:30,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:12:30,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:12:30,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:12:30,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5016d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30, skipping insertion in model container [2021-02-21 16:12:30,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:12:30,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:12:30,436 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1.i[813,826] [2021-02-21 16:12:30,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:12:30,607 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:12:30,627 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1.i[813,826] [2021-02-21 16:12:30,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:12:30,735 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:12:30,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30 WrapperNode [2021-02-21 16:12:30,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:12:30,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:12:30,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:12:30,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:12:30,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (1/1) ... [2021-02-21 16:12:30,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:12:30,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:12:30,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:12:30,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:12:30,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (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 [2021-02-21 16:12:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:12:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:12:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:12:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 16:12:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:12:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:12:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:12:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:12:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:12:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-21 16:12:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-21 16:12:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-21 16:12:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-21 16:12:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-21 16:12:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-21 16:12:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-21 16:12:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-21 16:12:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-21 16:12:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-21 16:12:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-21 16:12:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-21 16:12:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-21 16:12:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-21 16:12:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:12:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure reallocarray [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2021-02-21 16:12:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2021-02-21 16:12:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:12:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:12:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:12:31,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:12:31,618 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 16:12:31,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:12:31 BoogieIcfgContainer [2021-02-21 16:12:31,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:12:31,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:12:31,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:12:31,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:12:31,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:12:30" (1/3) ... [2021-02-21 16:12:31,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405447bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:12:31, skipping insertion in model container [2021-02-21 16:12:31,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:30" (2/3) ... [2021-02-21 16:12:31,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405447bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:12:31, skipping insertion in model container [2021-02-21 16:12:31,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:12:31" (3/3) ... [2021-02-21 16:12:31,631 INFO L111 eAbstractionObserver]: Analyzing ICFG test_malloc-1.i [2021-02-21 16:12:31,638 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:12:31,644 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:12:31,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:12:31,695 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:12:31,695 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:12:31,695 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:12:31,695 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:12:31,696 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:12:31,696 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:12:31,696 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:12:31,696 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:12:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2021-02-21 16:12:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-02-21 16:12:31,723 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:12:31,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:12:31,724 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:12:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:12:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash -174503025, now seen corresponding path program 1 times [2021-02-21 16:12:31,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:12:31,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970808623] [2021-02-21 16:12:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:12:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:12:31,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:31,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:31,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:31,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:12:32,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:32,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:12:32,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:32,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:12:32,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:32,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:12:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:12:32,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:32,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:12:32,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970808623] [2021-02-21 16:12:32,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:12:32,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:12:32,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475373167] [2021-02-21 16:12:32,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:12:32,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:12:32,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:12:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:12:32,249 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2021-02-21 16:12:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:12:32,419 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-02-21 16:12:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 16:12:32,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2021-02-21 16:12:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:12:32,429 INFO L225 Difference]: With dead ends: 26 [2021-02-21 16:12:32,429 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:12:32,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:12:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:12:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:12:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:12:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:12:32,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-02-21 16:12:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:12:32,464 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:12:32,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:12:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:12:32,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:12:32,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:12:32,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:12:32,542 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-21 16:12:32,543 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-21 16:12:32,543 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-21 16:12:32,543 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:12:32,543 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~CURRENTLY_UNSAFE~0 |old(~CURRENTLY_UNSAFE~0)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-21 16:12:32,543 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:12:32,544 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:12:32,544 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 16:12:32,544 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:12:32,544 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:12:32,544 INFO L189 CegarLoopUtils]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-02-21 16:12:32,544 INFO L189 CegarLoopUtils]: For program point L385-1(lines 385 387) no Hoare annotation was computed. [2021-02-21 16:12:32,545 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 382 389) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-21 16:12:32,545 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 382 389) no Hoare annotation was computed. [2021-02-21 16:12:32,545 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 382 389) no Hoare annotation was computed. [2021-02-21 16:12:32,545 INFO L185 CegarLoopUtils]: At program point L386(line 386) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-21 16:12:32,545 INFO L189 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-02-21 16:12:32,545 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2021-02-21 16:12:32,545 INFO L189 CegarLoopUtils]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-02-21 16:12:32,546 INFO L189 CegarLoopUtils]: For program point L14-2(lines 13 18) no Hoare annotation was computed. [2021-02-21 16:12:32,546 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 13 18) no Hoare annotation was computed. [2021-02-21 16:12:32,546 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-02-21 16:12:32,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:12:32 BoogieIcfgContainer [2021-02-21 16:12:32,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:12:32,555 INFO L168 Benchmark]: Toolchain (without parser) took 2403.85 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 105.2 MB in the beginning and 125.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:32,555 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:12:32,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.98 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 111.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:32,557 INFO L168 Benchmark]: Boogie Preprocessor took 117.50 ms. Allocated memory is still 151.0 MB. Free memory was 111.4 MB in the beginning and 131.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:32,558 INFO L168 Benchmark]: RCFGBuilder took 764.16 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 95.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:32,559 INFO L168 Benchmark]: TraceAbstraction took 930.47 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 94.8 MB in the beginning and 125.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 709.1 kB. Max. memory is 8.0 GB. [2021-02-21 16:12:32,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.98 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 111.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.50 ms. Allocated memory is still 151.0 MB. Free memory was 111.4 MB in the beginning and 131.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 764.16 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 95.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 930.47 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 94.8 MB in the beginning and 125.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 709.1 kB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 11 SDslu, 28 SDs, 0 SdLazy, 28 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 42 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 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...