/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 [2021-02-19 17:45:26,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:45:26,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:45:26,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:45:26,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:45:26,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:45:26,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:45:26,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:45:26,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:45:26,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:45:26,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:45:26,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:45:26,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:45:26,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:45:26,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:45:26,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:45:26,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:45:26,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:45:26,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:45:26,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:45:26,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:45:26,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:45:26,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:45:26,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:45:26,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:45:26,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:45:26,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:45:26,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:45:26,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:45:26,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:45:26,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:45:26,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:45:26,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:45:26,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:45:26,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:45:26,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:45:26,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:45:26,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:45:26,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:45:26,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:45:26,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:45:26,738 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 [2021-02-19 17:45:26,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:45:26,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:45:26,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:45:26,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:45:26,768 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:45:26,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:45:26,768 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:45:26,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:45:26,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:45:26,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:45:26,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:45:26,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:45:26,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:45:26,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:45:26,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:45:26,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:45:26,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:45:26,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:45:26,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:45:26,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:45:26,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:45:26,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:45:26,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:45:26,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:45:26,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:45:26,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:45:26,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:45:26,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:45:26,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:45:27,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:45:27,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:45:27,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:45:27,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:45:27,178 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:45:27,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-19 17:45:27,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a0761c0/087a6791e4a94a38aa9cf4cca4e4eff3/FLAG6a668d170 [2021-02-19 17:45:27,883 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:45:27,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-19 17:45:27,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a0761c0/087a6791e4a94a38aa9cf4cca4e4eff3/FLAG6a668d170 [2021-02-19 17:45:28,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a0761c0/087a6791e4a94a38aa9cf4cca4e4eff3 [2021-02-19 17:45:28,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:45:28,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:45:28,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:45:28,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:45:28,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:45:28,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133eee83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28, skipping insertion in model container [2021-02-19 17:45:28,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:45:28,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:45:28,491 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] [2021-02-19 17:45:28,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:45:28,672 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:45:28,699 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] [2021-02-19 17:45:28,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:45:28,826 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:45:28,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28 WrapperNode [2021-02-19 17:45:28,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:45:28,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:45:28,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:45:28,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:45:28,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (1/1) ... [2021-02-19 17:45:28,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:45:28,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:45:28,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:45:28,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:45:28,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (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 [2021-02-19 17:45:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:45:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:45:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:45:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-19 17:45:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:45:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:45:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:45:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 17:45:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 17:45:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:45:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:45:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-19 17:45:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-19 17:45:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-19 17:45:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-19 17:45:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-19 17:45:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-19 17:45:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-19 17:45:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-19 17:45:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-19 17:45:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-19 17:45:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-19 17:45:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-19 17:45:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-19 17:45:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-19 17:45:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-19 17:45:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-19 17:45:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-19 17:45:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-19 17:45:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-19 17:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-19 17:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-19 17:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-19 17:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-19 17:45:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-19 17:45:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-19 17:45:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-19 17:45:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-19 17:45:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-19 17:45:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-19 17:45:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-19 17:45:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-19 17:45:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-19 17:45:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-19 17:45:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-19 17:45:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-19 17:45:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-19 17:45:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-19 17:45:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-19 17:45:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-19 17:45:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-19 17:45:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-19 17:45:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-19 17:45:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-19 17:45:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-19 17:45:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-19 17:45:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-19 17:45:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-19 17:45:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-19 17:45:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-19 17:45:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:45:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 17:45:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-19 17:45:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure reallocarray [2021-02-19 17:45:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:45:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2021-02-19 17:45:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2021-02-19 17:45:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2021-02-19 17:45:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2021-02-19 17:45:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2021-02-19 17:45:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2021-02-19 17:45:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:45:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:45:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:45:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:45:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:45:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:45:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:45:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:45:29,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:45:29,791 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:45:29,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:45:29 BoogieIcfgContainer [2021-02-19 17:45:29,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:45:29,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:45:29,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:45:29,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:45:29,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:45:28" (1/3) ... [2021-02-19 17:45:29,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce093e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:45:29, skipping insertion in model container [2021-02-19 17:45:29,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:45:28" (2/3) ... [2021-02-19 17:45:29,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce093e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:45:29, skipping insertion in model container [2021-02-19 17:45:29,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:45:29" (3/3) ... [2021-02-19 17:45:29,802 INFO L111 eAbstractionObserver]: Analyzing ICFG test_malloc-1.i [2021-02-19 17:45:29,809 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:45:29,814 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:45:29,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:45:29,861 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:45:29,861 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:45:29,861 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:45:29,861 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:45:29,861 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:45:29,861 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:45:29,862 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:45:29,862 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:45:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2021-02-19 17:45:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-02-19 17:45:29,887 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:45:29,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:45:29,888 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:45:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:45:29,895 INFO L82 PathProgramCache]: Analyzing trace with hash -174503025, now seen corresponding path program 1 times [2021-02-19 17:45:29,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:45:29,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726320775] [2021-02-19 17:45:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:45:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:45:30,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:45:30,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:45:30,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:45:30,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:45:30,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:45:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:45:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:45:30,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:45:30,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:45:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:45:30,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726320775] [2021-02-19 17:45:30,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:45:30,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 17:45:30,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885138314] [2021-02-19 17:45:30,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 17:45:30,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:45:30,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 17:45:30,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:45:30,287 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2021-02-19 17:45:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:45:30,579 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-02-19 17:45:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 17:45:30,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2021-02-19 17:45:30,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:45:30,588 INFO L225 Difference]: With dead ends: 26 [2021-02-19 17:45:30,589 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:45:30,594 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 [2021-02-19 17:45:30,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:45:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:45:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:45:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:45:30,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-02-19 17:45:30,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:45:30,625 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:45:30,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 17:45:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:45:30,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:45:30,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:45:30,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:45:30,753 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-19 17:45:30,753 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-19 17:45:30,753 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-19 17:45:30,753 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:45:30,754 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)|)) [2021-02-19 17:45:30,754 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:45:30,754 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:45:30,754 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-19 17:45:30,755 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:45:30,755 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:45:30,755 INFO L189 CegarLoopUtils]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-02-19 17:45:30,755 INFO L189 CegarLoopUtils]: For program point L385-1(lines 385 387) no Hoare annotation was computed. [2021-02-19 17:45:30,755 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 382 389) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-19 17:45:30,756 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 382 389) no Hoare annotation was computed. [2021-02-19 17:45:30,756 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 382 389) no Hoare annotation was computed. [2021-02-19 17:45:30,756 INFO L185 CegarLoopUtils]: At program point L386(line 386) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-19 17:45:30,756 INFO L189 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-02-19 17:45:30,756 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2021-02-19 17:45:30,756 INFO L189 CegarLoopUtils]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-02-19 17:45:30,757 INFO L189 CegarLoopUtils]: For program point L14-2(lines 13 18) no Hoare annotation was computed. [2021-02-19 17:45:30,757 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 13 18) no Hoare annotation was computed. [2021-02-19 17:45:30,757 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-02-19 17:45:30,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:45:30 BoogieIcfgContainer [2021-02-19 17:45:30,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:45:30,765 INFO L168 Benchmark]: Toolchain (without parser) took 2548.42 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 50.5 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:45:30,766 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 153.1 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:45:30,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.33 ms. Allocated memory is still 153.1 MB. Free memory was 126.4 MB in the beginning and 104.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:45:30,768 INFO L168 Benchmark]: Boogie Preprocessor took 98.55 ms. Allocated memory is still 153.1 MB. Free memory was 104.7 MB in the beginning and 102.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:45:30,769 INFO L168 Benchmark]: RCFGBuilder took 864.34 ms. Allocated memory is still 153.1 MB. Free memory was 102.4 MB in the beginning and 101.8 MB in the end (delta: 564.1 kB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:45:30,770 INFO L168 Benchmark]: TraceAbstraction took 968.79 ms. Allocated memory is still 153.1 MB. Free memory was 101.3 MB in the beginning and 50.5 MB in the end (delta: 50.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:45:30,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 153.1 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 599.33 ms. Allocated memory is still 153.1 MB. Free memory was 126.4 MB in the beginning and 104.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.55 ms. Allocated memory is still 153.1 MB. Free memory was 104.7 MB in the beginning and 102.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 864.34 ms. Allocated memory is still 153.1 MB. Free memory was 102.4 MB in the beginning and 101.8 MB in the end (delta: 564.1 kB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 968.79 ms. Allocated memory is still 153.1 MB. Free memory was 101.3 MB in the beginning and 50.5 MB in the end (delta: 50.9 MB). Peak memory consumption was 51.4 MB. 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: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, 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, 0.2s 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...