/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/alt_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:11:06,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:11:06,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:11:06,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:11:06,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:11:06,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:11:06,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:11:06,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:11:06,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:11:06,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:11:06,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:11:06,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:11:06,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:11:06,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:11:06,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:11:06,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:11:06,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:11:06,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:11:06,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:11:06,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:11:06,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:11:06,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:11:06,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:11:06,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:11:06,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:11:06,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:11:06,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:11:06,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:11:06,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:11:06,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:11:06,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:11:06,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:11:06,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:11:06,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:11:06,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:11:06,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:11:06,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:11:06,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:11:06,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:11:06,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:11:06,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:11:06,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:11:06,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:11:06,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:11:06,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:11:06,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:11:06,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:11:06,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:11:06,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:11:06,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:11:06,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:11:06,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:11:06,813 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:11:06,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:11:06,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:11:06,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:11:06,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:11:06,814 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:11:06,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:11:06,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:11:06,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:11:06,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:11:06,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:11:06,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:11:06,816 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:11:07,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:11:07,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:11:07,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:11:07,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:11:07,113 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:11:07,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test.i [2020-07-18 05:11:07,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c06fd2dd/96a1cf8846ef4e8a8981ec4d3fc08045/FLAGa07dac67d [2020-07-18 05:11:07,756 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:11:07,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i [2020-07-18 05:11:07,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c06fd2dd/96a1cf8846ef4e8a8981ec4d3fc08045/FLAGa07dac67d [2020-07-18 05:11:08,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c06fd2dd/96a1cf8846ef4e8a8981ec4d3fc08045 [2020-07-18 05:11:08,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:11:08,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:11:08,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:08,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:11:08,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:11:08,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:08,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735695bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08, skipping insertion in model container [2020-07-18 05:11:08,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:08,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:11:08,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:11:08,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:08,729 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:11:08,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:08,950 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:11:08,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08 WrapperNode [2020-07-18 05:11:08,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:08,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:11:08,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:11:08,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:11:08,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:08,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (1/1) ... [2020-07-18 05:11:09,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:11:09,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:11:09,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:11:09,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:11:09,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (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 [2020-07-18 05:11:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:11:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:11:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-18 05:11:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:11:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure l_malloc [2020-07-18 05:11:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2020-07-18 05:11:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:11:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-07-18 05:11:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-07-18 05:11:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-07-18 05:11:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-07-18 05:11:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-07-18 05:11:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-07-18 05:11:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-07-18 05:11:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-07-18 05:11:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-07-18 05:11:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-07-18 05:11:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-07-18 05:11:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-07-18 05:11:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-07-18 05:11:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-07-18 05:11:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-07-18 05:11:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-07-18 05:11:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-07-18 05:11:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-07-18 05:11:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-07-18 05:11:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-07-18 05:11:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-07-18 05:11:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-07-18 05:11:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-07-18 05:11:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-07-18 05:11:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-07-18 05:11:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-07-18 05:11:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-07-18 05:11:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-07-18 05:11:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-18 05:11:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-07-18 05:11:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-07-18 05:11:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-07-18 05:11:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-07-18 05:11:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-07-18 05:11:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-07-18 05:11:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-07-18 05:11:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-07-18 05:11:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-07-18 05:11:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-07-18 05:11:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-07-18 05:11:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-07-18 05:11:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-07-18 05:11:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-07-18 05:11:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-07-18 05:11:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-07-18 05:11:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-07-18 05:11:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-07-18 05:11:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-07-18 05:11:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-07-18 05:11:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-07-18 05:11:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-07-18 05:11:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-07-18 05:11:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-07-18 05:11:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-07-18 05:11:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-07-18 05:11:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-07-18 05:11:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-07-18 05:11:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-07-18 05:11:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-07-18 05:11:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-07-18 05:11:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-07-18 05:11:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-07-18 05:11:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-07-18 05:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:11:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:11:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:11:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:11:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:11:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:11:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:11:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:11:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:11:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:11:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:11:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:11:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:11:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:11:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:11:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:11:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:11:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:11:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:11:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:11:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:11:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:11:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:11:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:11:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:11:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:11:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:11:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:11:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:11:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:11:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:11:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:11:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:11:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:11:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:11:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:11:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:11:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:11:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:11:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:11:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:11:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2020-07-18 05:11:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:11:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:11:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:11:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:11:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:11:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:11:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:11:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:11:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:11:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-18 05:11:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure l_malloc [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:11:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:11:09,940 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:11:09,940 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:11:09,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:09 BoogieIcfgContainer [2020-07-18 05:11:09,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:11:09,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:11:09,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:11:09,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:11:09,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:11:08" (1/3) ... [2020-07-18 05:11:09,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac3e4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:09, skipping insertion in model container [2020-07-18 05:11:09,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:08" (2/3) ... [2020-07-18 05:11:09,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac3e4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:09, skipping insertion in model container [2020-07-18 05:11:09,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:09" (3/3) ... [2020-07-18 05:11:09,954 INFO L109 eAbstractionObserver]: Analyzing ICFG alt_test.i [2020-07-18 05:11:09,965 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:11:09,974 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:11:09,990 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:11:10,009 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:11:10,010 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:11:10,010 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:11:10,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:11:10,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:11:10,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:11:10,011 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:11:10,011 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:11:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-07-18 05:11:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-18 05:11:10,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:10,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:10,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:10,043 INFO L82 PathProgramCache]: Analyzing trace with hash -464537204, now seen corresponding path program 1 times [2020-07-18 05:11:10,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:10,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148467621] [2020-07-18 05:11:10,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:10,338 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {43#true} is VALID [2020-07-18 05:11:10,338 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} #valid := #valid[0 := 0]; {43#true} is VALID [2020-07-18 05:11:10,339 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} assume 0 < #StackHeapBarrier; {43#true} is VALID [2020-07-18 05:11:10,339 INFO L280 TraceCheckUtils]: 3: Hoare triple {43#true} ~globalState~0 := 0; {43#true} is VALID [2020-07-18 05:11:10,340 INFO L280 TraceCheckUtils]: 4: Hoare triple {43#true} assume true; {43#true} is VALID [2020-07-18 05:11:10,340 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {43#true} {43#true} #58#return; {43#true} is VALID [2020-07-18 05:11:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:10,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {43#true} is VALID [2020-07-18 05:11:10,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {60#(not (= 0 |l_malloc_#t~malloc31.base|))} is VALID [2020-07-18 05:11:10,420 INFO L280 TraceCheckUtils]: 2: Hoare triple {60#(not (= 0 |l_malloc_#t~malloc31.base|))} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {61#(not (= 0 l_malloc_~retVal~0.base))} is VALID [2020-07-18 05:11:10,421 INFO L280 TraceCheckUtils]: 3: Hoare triple {61#(not (= 0 l_malloc_~retVal~0.base))} assume !(~retVal~0.base != 0 || ~retVal~0.offset != 0); {44#false} is VALID [2020-07-18 05:11:10,421 INFO L280 TraceCheckUtils]: 4: Hoare triple {44#false} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {44#false} is VALID [2020-07-18 05:11:10,422 INFO L280 TraceCheckUtils]: 5: Hoare triple {44#false} assume true; {44#false} is VALID [2020-07-18 05:11:10,422 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {44#false} {43#true} #50#return; {44#false} is VALID [2020-07-18 05:11:10,424 INFO L263 TraceCheckUtils]: 0: Hoare triple {43#true} call ULTIMATE.init(); {58#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:11:10,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {43#true} is VALID [2020-07-18 05:11:10,425 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} #valid := #valid[0 := 0]; {43#true} is VALID [2020-07-18 05:11:10,426 INFO L280 TraceCheckUtils]: 3: Hoare triple {43#true} assume 0 < #StackHeapBarrier; {43#true} is VALID [2020-07-18 05:11:10,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {43#true} ~globalState~0 := 0; {43#true} is VALID [2020-07-18 05:11:10,426 INFO L280 TraceCheckUtils]: 5: Hoare triple {43#true} assume true; {43#true} is VALID [2020-07-18 05:11:10,426 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {43#true} {43#true} #58#return; {43#true} is VALID [2020-07-18 05:11:10,427 INFO L263 TraceCheckUtils]: 7: Hoare triple {43#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {43#true} is VALID [2020-07-18 05:11:10,427 INFO L280 TraceCheckUtils]: 8: Hoare triple {43#true} ~argc := #in~argc; {43#true} is VALID [2020-07-18 05:11:10,427 INFO L280 TraceCheckUtils]: 9: Hoare triple {43#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {43#true} is VALID [2020-07-18 05:11:10,429 INFO L263 TraceCheckUtils]: 10: Hoare triple {43#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {59#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 05:11:10,430 INFO L280 TraceCheckUtils]: 11: Hoare triple {59#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {43#true} is VALID [2020-07-18 05:11:10,431 INFO L280 TraceCheckUtils]: 12: Hoare triple {43#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {60#(not (= 0 |l_malloc_#t~malloc31.base|))} is VALID [2020-07-18 05:11:10,432 INFO L280 TraceCheckUtils]: 13: Hoare triple {60#(not (= 0 |l_malloc_#t~malloc31.base|))} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {61#(not (= 0 l_malloc_~retVal~0.base))} is VALID [2020-07-18 05:11:10,433 INFO L280 TraceCheckUtils]: 14: Hoare triple {61#(not (= 0 l_malloc_~retVal~0.base))} assume !(~retVal~0.base != 0 || ~retVal~0.offset != 0); {44#false} is VALID [2020-07-18 05:11:10,434 INFO L280 TraceCheckUtils]: 15: Hoare triple {44#false} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {44#false} is VALID [2020-07-18 05:11:10,434 INFO L280 TraceCheckUtils]: 16: Hoare triple {44#false} assume true; {44#false} is VALID [2020-07-18 05:11:10,434 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {44#false} {43#true} #50#return; {44#false} is VALID [2020-07-18 05:11:10,435 INFO L280 TraceCheckUtils]: 18: Hoare triple {44#false} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset; {44#false} is VALID [2020-07-18 05:11:10,435 INFO L280 TraceCheckUtils]: 19: Hoare triple {44#false} havoc #t~ret30.base, #t~ret30.offset; {44#false} is VALID [2020-07-18 05:11:10,435 INFO L263 TraceCheckUtils]: 20: Hoare triple {44#false} call l_free(~a~0.base, ~a~0.offset); {44#false} is VALID [2020-07-18 05:11:10,435 INFO L280 TraceCheckUtils]: 21: Hoare triple {44#false} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {44#false} is VALID [2020-07-18 05:11:10,436 INFO L280 TraceCheckUtils]: 22: Hoare triple {44#false} assume ~ptr.base != 0 || ~ptr.offset != 0; {44#false} is VALID [2020-07-18 05:11:10,436 INFO L280 TraceCheckUtils]: 23: Hoare triple {44#false} assume !(1 == ~globalState~0); {44#false} is VALID [2020-07-18 05:11:10,437 INFO L263 TraceCheckUtils]: 24: Hoare triple {44#false} call __blast_assert(); {44#false} is VALID [2020-07-18 05:11:10,437 INFO L280 TraceCheckUtils]: 25: Hoare triple {44#false} assume !false; {44#false} is VALID [2020-07-18 05:11:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:11:10,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148467621] [2020-07-18 05:11:10,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:10,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 05:11:10,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730960730] [2020-07-18 05:11:10,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-18 05:11:10,456 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:10,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 05:11:10,512 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:10,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 05:11:10,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:10,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 05:11:10,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:11:10,526 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 6 states. [2020-07-18 05:11:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:11,081 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2020-07-18 05:11:11,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 05:11:11,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-18 05:11:11,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:11:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:11:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-18 05:11:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:11:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-18 05:11:11,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 70 transitions. [2020-07-18 05:11:11,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:11,242 INFO L225 Difference]: With dead ends: 62 [2020-07-18 05:11:11,242 INFO L226 Difference]: Without dead ends: 33 [2020-07-18 05:11:11,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:11:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-18 05:11:11,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-18 05:11:11,389 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:11:11,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-18 05:11:11,390 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-18 05:11:11,390 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-18 05:11:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:11,396 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-07-18 05:11:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 05:11:11,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:11,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:11,397 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-18 05:11:11,397 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-18 05:11:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:11,402 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-07-18 05:11:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 05:11:11,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:11,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:11,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:11:11,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:11:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-18 05:11:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-07-18 05:11:11,409 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 26 [2020-07-18 05:11:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:11:11,410 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-07-18 05:11:11,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 05:11:11,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 34 transitions. [2020-07-18 05:11:11,465 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 05:11:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-18 05:11:11,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:11,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:11,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:11:11,467 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:11,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:11,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1961589014, now seen corresponding path program 1 times [2020-07-18 05:11:11,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:11,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912096116] [2020-07-18 05:11:11,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:11,558 INFO L280 TraceCheckUtils]: 0: Hoare triple {342#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {325#true} is VALID [2020-07-18 05:11:11,559 INFO L280 TraceCheckUtils]: 1: Hoare triple {325#true} #valid := #valid[0 := 0]; {325#true} is VALID [2020-07-18 05:11:11,559 INFO L280 TraceCheckUtils]: 2: Hoare triple {325#true} assume 0 < #StackHeapBarrier; {325#true} is VALID [2020-07-18 05:11:11,559 INFO L280 TraceCheckUtils]: 3: Hoare triple {325#true} ~globalState~0 := 0; {325#true} is VALID [2020-07-18 05:11:11,560 INFO L280 TraceCheckUtils]: 4: Hoare triple {325#true} assume true; {325#true} is VALID [2020-07-18 05:11:11,560 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {325#true} {325#true} #58#return; {325#true} is VALID [2020-07-18 05:11:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:11,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {343#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {325#true} is VALID [2020-07-18 05:11:11,602 INFO L280 TraceCheckUtils]: 1: Hoare triple {325#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {325#true} is VALID [2020-07-18 05:11:11,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {325#true} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {325#true} is VALID [2020-07-18 05:11:11,602 INFO L280 TraceCheckUtils]: 3: Hoare triple {325#true} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0; {325#true} is VALID [2020-07-18 05:11:11,603 INFO L280 TraceCheckUtils]: 4: Hoare triple {325#true} ~globalState~0 := 1; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,604 INFO L280 TraceCheckUtils]: 5: Hoare triple {341#(= 1 ~globalState~0)} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,605 INFO L280 TraceCheckUtils]: 6: Hoare triple {341#(= 1 ~globalState~0)} assume true; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,607 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {341#(= 1 ~globalState~0)} {325#true} #50#return; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,608 INFO L263 TraceCheckUtils]: 0: Hoare triple {325#true} call ULTIMATE.init(); {342#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:11:11,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {342#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {325#true} is VALID [2020-07-18 05:11:11,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {325#true} #valid := #valid[0 := 0]; {325#true} is VALID [2020-07-18 05:11:11,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {325#true} assume 0 < #StackHeapBarrier; {325#true} is VALID [2020-07-18 05:11:11,610 INFO L280 TraceCheckUtils]: 4: Hoare triple {325#true} ~globalState~0 := 0; {325#true} is VALID [2020-07-18 05:11:11,610 INFO L280 TraceCheckUtils]: 5: Hoare triple {325#true} assume true; {325#true} is VALID [2020-07-18 05:11:11,610 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {325#true} {325#true} #58#return; {325#true} is VALID [2020-07-18 05:11:11,611 INFO L263 TraceCheckUtils]: 7: Hoare triple {325#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {325#true} is VALID [2020-07-18 05:11:11,611 INFO L280 TraceCheckUtils]: 8: Hoare triple {325#true} ~argc := #in~argc; {325#true} is VALID [2020-07-18 05:11:11,611 INFO L280 TraceCheckUtils]: 9: Hoare triple {325#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {325#true} is VALID [2020-07-18 05:11:11,612 INFO L263 TraceCheckUtils]: 10: Hoare triple {325#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {343#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 05:11:11,613 INFO L280 TraceCheckUtils]: 11: Hoare triple {343#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {325#true} is VALID [2020-07-18 05:11:11,613 INFO L280 TraceCheckUtils]: 12: Hoare triple {325#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {325#true} is VALID [2020-07-18 05:11:11,613 INFO L280 TraceCheckUtils]: 13: Hoare triple {325#true} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {325#true} is VALID [2020-07-18 05:11:11,614 INFO L280 TraceCheckUtils]: 14: Hoare triple {325#true} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0; {325#true} is VALID [2020-07-18 05:11:11,615 INFO L280 TraceCheckUtils]: 15: Hoare triple {325#true} ~globalState~0 := 1; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,616 INFO L280 TraceCheckUtils]: 16: Hoare triple {341#(= 1 ~globalState~0)} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,616 INFO L280 TraceCheckUtils]: 17: Hoare triple {341#(= 1 ~globalState~0)} assume true; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,618 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {341#(= 1 ~globalState~0)} {325#true} #50#return; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,619 INFO L280 TraceCheckUtils]: 19: Hoare triple {341#(= 1 ~globalState~0)} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,620 INFO L280 TraceCheckUtils]: 20: Hoare triple {341#(= 1 ~globalState~0)} havoc #t~ret30.base, #t~ret30.offset; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,621 INFO L263 TraceCheckUtils]: 21: Hoare triple {341#(= 1 ~globalState~0)} call l_free(~a~0.base, ~a~0.offset); {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,622 INFO L280 TraceCheckUtils]: 22: Hoare triple {341#(= 1 ~globalState~0)} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,623 INFO L280 TraceCheckUtils]: 23: Hoare triple {341#(= 1 ~globalState~0)} assume ~ptr.base != 0 || ~ptr.offset != 0; {341#(= 1 ~globalState~0)} is VALID [2020-07-18 05:11:11,624 INFO L280 TraceCheckUtils]: 24: Hoare triple {341#(= 1 ~globalState~0)} assume !(1 == ~globalState~0); {326#false} is VALID [2020-07-18 05:11:11,624 INFO L263 TraceCheckUtils]: 25: Hoare triple {326#false} call __blast_assert(); {326#false} is VALID [2020-07-18 05:11:11,624 INFO L280 TraceCheckUtils]: 26: Hoare triple {326#false} assume !false; {326#false} is VALID [2020-07-18 05:11:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:11:11,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912096116] [2020-07-18 05:11:11,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:11,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:11:11,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742101344] [2020-07-18 05:11:11,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-18 05:11:11,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:11,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:11:11,667 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:11,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:11:11,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:11:11,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:11:11,668 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states. [2020-07-18 05:11:11,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:12,000 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2020-07-18 05:11:12,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 05:11:12,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-18 05:11:12,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:11:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:11:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-18 05:11:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:11:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-18 05:11:12,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 42 transitions. [2020-07-18 05:11:12,077 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:12,079 INFO L225 Difference]: With dead ends: 40 [2020-07-18 05:11:12,079 INFO L226 Difference]: Without dead ends: 36 [2020-07-18 05:11:12,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:11:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-18 05:11:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-18 05:11:12,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:11:12,164 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:12,164 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:12,164 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:12,167 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-07-18 05:11:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-07-18 05:11:12,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:12,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:12,169 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:12,169 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:12,172 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-07-18 05:11:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-07-18 05:11:12,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:12,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:12,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:11:12,174 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:11:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-18 05:11:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-07-18 05:11:12,177 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 27 [2020-07-18 05:11:12,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:11:12,177 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-07-18 05:11:12,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:11:12,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 36 states and 37 transitions. [2020-07-18 05:11:12,233 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-07-18 05:11:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 05:11:12,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:12,235 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:12,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:11:12,236 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:12,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1381039993, now seen corresponding path program 1 times [2020-07-18 05:11:12,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:12,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133082433] [2020-07-18 05:11:12,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:12,320 INFO L280 TraceCheckUtils]: 0: Hoare triple {599#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {575#true} is VALID [2020-07-18 05:11:12,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {575#true} #valid := #valid[0 := 0]; {575#true} is VALID [2020-07-18 05:11:12,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {575#true} assume 0 < #StackHeapBarrier; {575#true} is VALID [2020-07-18 05:11:12,322 INFO L280 TraceCheckUtils]: 3: Hoare triple {575#true} ~globalState~0 := 0; {575#true} is VALID [2020-07-18 05:11:12,322 INFO L280 TraceCheckUtils]: 4: Hoare triple {575#true} assume true; {575#true} is VALID [2020-07-18 05:11:12,322 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {575#true} {575#true} #58#return; {575#true} is VALID [2020-07-18 05:11:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:12,487 INFO L280 TraceCheckUtils]: 0: Hoare triple {600#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {575#true} is VALID [2020-07-18 05:11:12,489 INFO L280 TraceCheckUtils]: 1: Hoare triple {575#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {601#(or (<= (+ |l_malloc_#t~malloc31.base| 1) 0) (< 0 |l_malloc_#t~malloc31.base|))} is VALID [2020-07-18 05:11:12,492 INFO L280 TraceCheckUtils]: 2: Hoare triple {601#(or (<= (+ |l_malloc_#t~malloc31.base| 1) 0) (< 0 |l_malloc_#t~malloc31.base|))} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,492 INFO L280 TraceCheckUtils]: 3: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,493 INFO L280 TraceCheckUtils]: 4: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} ~globalState~0 := 1; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,494 INFO L280 TraceCheckUtils]: 5: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} is VALID [2020-07-18 05:11:12,496 INFO L280 TraceCheckUtils]: 6: Hoare triple {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} assume true; {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} is VALID [2020-07-18 05:11:12,497 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} {575#true} #50#return; {591#(not (= 0 |main_#t~ret30.base|))} is VALID [2020-07-18 05:11:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:12,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {604#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|))} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {605#(= |l_free_#in~ptr.base| l_free_~ptr.base)} is VALID [2020-07-18 05:11:12,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {605#(= |l_free_#in~ptr.base| l_free_~ptr.base)} assume !(~ptr.base != 0 || ~ptr.offset != 0); {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,559 INFO L280 TraceCheckUtils]: 2: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} ~globalState~0 := 0; {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,560 INFO L280 TraceCheckUtils]: 3: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} SUMMARY for call ULTIMATE.dealloc(~ptr.base, ~ptr.offset); srcloc: L1631 {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} assume true; {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,564 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {606#(= 0 |l_free_#in~ptr.base|)} {592#(not (= 0 main_~a~0.base))} #52#return; {576#false} is VALID [2020-07-18 05:11:12,566 INFO L263 TraceCheckUtils]: 0: Hoare triple {575#true} call ULTIMATE.init(); {599#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:11:12,567 INFO L280 TraceCheckUtils]: 1: Hoare triple {599#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {575#true} is VALID [2020-07-18 05:11:12,567 INFO L280 TraceCheckUtils]: 2: Hoare triple {575#true} #valid := #valid[0 := 0]; {575#true} is VALID [2020-07-18 05:11:12,567 INFO L280 TraceCheckUtils]: 3: Hoare triple {575#true} assume 0 < #StackHeapBarrier; {575#true} is VALID [2020-07-18 05:11:12,568 INFO L280 TraceCheckUtils]: 4: Hoare triple {575#true} ~globalState~0 := 0; {575#true} is VALID [2020-07-18 05:11:12,568 INFO L280 TraceCheckUtils]: 5: Hoare triple {575#true} assume true; {575#true} is VALID [2020-07-18 05:11:12,568 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {575#true} {575#true} #58#return; {575#true} is VALID [2020-07-18 05:11:12,569 INFO L263 TraceCheckUtils]: 7: Hoare triple {575#true} call #t~ret32 := main(#in~argc, #in~argv.base, #in~argv.offset); {575#true} is VALID [2020-07-18 05:11:12,569 INFO L280 TraceCheckUtils]: 8: Hoare triple {575#true} ~argc := #in~argc; {575#true} is VALID [2020-07-18 05:11:12,569 INFO L280 TraceCheckUtils]: 9: Hoare triple {575#true} ~argv.base, ~argv.offset := #in~argv.base, #in~argv.offset; {575#true} is VALID [2020-07-18 05:11:12,570 INFO L263 TraceCheckUtils]: 10: Hoare triple {575#true} call #t~ret30.base, #t~ret30.offset := l_malloc(4); {600#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 05:11:12,571 INFO L280 TraceCheckUtils]: 11: Hoare triple {600#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|) (= |old(#length)| |#length|))} ~size := #in~size; {575#true} is VALID [2020-07-18 05:11:12,572 INFO L280 TraceCheckUtils]: 12: Hoare triple {575#true} SUMMARY for call #t~malloc31.base, #t~malloc31.offset := #Ultimate.allocOnHeap(~size); srcloc: L1619 {601#(or (<= (+ |l_malloc_#t~malloc31.base| 1) 0) (< 0 |l_malloc_#t~malloc31.base|))} is VALID [2020-07-18 05:11:12,574 INFO L280 TraceCheckUtils]: 13: Hoare triple {601#(or (<= (+ |l_malloc_#t~malloc31.base| 1) 0) (< 0 |l_malloc_#t~malloc31.base|))} ~retVal~0.base, ~retVal~0.offset := #t~malloc31.base, #t~malloc31.offset; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,579 INFO L280 TraceCheckUtils]: 14: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} assume ~retVal~0.base != 0 || ~retVal~0.offset != 0; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,582 INFO L280 TraceCheckUtils]: 15: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} ~globalState~0 := 1; {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} is VALID [2020-07-18 05:11:12,583 INFO L280 TraceCheckUtils]: 16: Hoare triple {602#(or (<= 1 l_malloc_~retVal~0.base) (<= (+ l_malloc_~retVal~0.base 1) 0))} #res.base, #res.offset := ~retVal~0.base, ~retVal~0.offset; {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} is VALID [2020-07-18 05:11:12,584 INFO L280 TraceCheckUtils]: 17: Hoare triple {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} assume true; {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} is VALID [2020-07-18 05:11:12,585 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {603#(or (<= 1 |l_malloc_#res.base|) (<= (+ |l_malloc_#res.base| 1) 0))} {575#true} #50#return; {591#(not (= 0 |main_#t~ret30.base|))} is VALID [2020-07-18 05:11:12,586 INFO L280 TraceCheckUtils]: 19: Hoare triple {591#(not (= 0 |main_#t~ret30.base|))} ~a~0.base, ~a~0.offset := #t~ret30.base, #t~ret30.offset; {592#(not (= 0 main_~a~0.base))} is VALID [2020-07-18 05:11:12,587 INFO L280 TraceCheckUtils]: 20: Hoare triple {592#(not (= 0 main_~a~0.base))} havoc #t~ret30.base, #t~ret30.offset; {592#(not (= 0 main_~a~0.base))} is VALID [2020-07-18 05:11:12,588 INFO L263 TraceCheckUtils]: 21: Hoare triple {592#(not (= 0 main_~a~0.base))} call l_free(~a~0.base, ~a~0.offset); {604#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|))} is VALID [2020-07-18 05:11:12,589 INFO L280 TraceCheckUtils]: 22: Hoare triple {604#(and (= |#valid| |old(#valid)|) (= ~globalState~0 |old(~globalState~0)|))} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {605#(= |l_free_#in~ptr.base| l_free_~ptr.base)} is VALID [2020-07-18 05:11:12,590 INFO L280 TraceCheckUtils]: 23: Hoare triple {605#(= |l_free_#in~ptr.base| l_free_~ptr.base)} assume !(~ptr.base != 0 || ~ptr.offset != 0); {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,591 INFO L280 TraceCheckUtils]: 24: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} ~globalState~0 := 0; {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,592 INFO L280 TraceCheckUtils]: 25: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} SUMMARY for call ULTIMATE.dealloc(~ptr.base, ~ptr.offset); srcloc: L1631 {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,592 INFO L280 TraceCheckUtils]: 26: Hoare triple {606#(= 0 |l_free_#in~ptr.base|)} assume true; {606#(= 0 |l_free_#in~ptr.base|)} is VALID [2020-07-18 05:11:12,594 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {606#(= 0 |l_free_#in~ptr.base|)} {592#(not (= 0 main_~a~0.base))} #52#return; {576#false} is VALID [2020-07-18 05:11:12,594 INFO L263 TraceCheckUtils]: 28: Hoare triple {576#false} call l_free(~a~0.base, ~a~0.offset); {576#false} is VALID [2020-07-18 05:11:12,594 INFO L280 TraceCheckUtils]: 29: Hoare triple {576#false} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {576#false} is VALID [2020-07-18 05:11:12,595 INFO L280 TraceCheckUtils]: 30: Hoare triple {576#false} assume ~ptr.base != 0 || ~ptr.offset != 0; {576#false} is VALID [2020-07-18 05:11:12,595 INFO L280 TraceCheckUtils]: 31: Hoare triple {576#false} assume !(1 == ~globalState~0); {576#false} is VALID [2020-07-18 05:11:12,595 INFO L263 TraceCheckUtils]: 32: Hoare triple {576#false} call __blast_assert(); {576#false} is VALID [2020-07-18 05:11:12,595 INFO L280 TraceCheckUtils]: 33: Hoare triple {576#false} assume !false; {576#false} is VALID [2020-07-18 05:11:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:11:12,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133082433] [2020-07-18 05:11:12,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:12,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-18 05:11:12,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171295349] [2020-07-18 05:11:12,600 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2020-07-18 05:11:12,600 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:12,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-18 05:11:12,643 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:12,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-18 05:11:12,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:12,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-18 05:11:12,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-18 05:11:12,644 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 12 states. [2020-07-18 05:11:13,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:13,662 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2020-07-18 05:11:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 05:11:13,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2020-07-18 05:11:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:11:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 05:11:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 48 transitions. [2020-07-18 05:11:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-18 05:11:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 48 transitions. [2020-07-18 05:11:13,674 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 48 transitions. [2020-07-18 05:11:13,737 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:13,738 INFO L225 Difference]: With dead ends: 51 [2020-07-18 05:11:13,739 INFO L226 Difference]: Without dead ends: 36 [2020-07-18 05:11:13,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2020-07-18 05:11:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-18 05:11:13,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-18 05:11:13,830 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:11:13,830 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:13,831 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:13,831 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:13,834 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2020-07-18 05:11:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-07-18 05:11:13,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:13,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:13,835 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:13,835 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-18 05:11:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:13,837 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2020-07-18 05:11:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-07-18 05:11:13,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:13,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:13,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:11:13,839 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:11:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-18 05:11:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2020-07-18 05:11:13,841 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2020-07-18 05:11:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:11:13,841 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2020-07-18 05:11:13,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-18 05:11:13,841 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 36 states and 36 transitions. [2020-07-18 05:11:13,897 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-07-18 05:11:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 05:11:13,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:13,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:13,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:11:13,900 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:13,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1342711683, now seen corresponding path program 1 times [2020-07-18 05:11:13,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:13,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893010985] [2020-07-18 05:11:13,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:11:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:11:13,969 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:11:13,969 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:11:13,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:11:14,014 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:11:14,014 WARN L170 areAnnotationChecker]: l_mallocENTRY has no Hoare annotation [2020-07-18 05:11:14,014 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:11:14,014 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:11:14,014 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: l_freeENTRY has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: L1619 has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-18 05:11:14,015 WARN L170 areAnnotationChecker]: L1629 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1629 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1610 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1619-1 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1629-1 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1629-1 has no Hoare annotation [2020-07-18 05:11:14,016 WARN L170 areAnnotationChecker]: L1629-5 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1612 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1612 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1606 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1620 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1620 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1629-3 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1629-3 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1631 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: L1612-1 has no Hoare annotation [2020-07-18 05:11:14,017 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: L1621 has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: L1620-2 has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: l_freeFINAL has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: L1612-2 has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: l_mallocFINAL has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: l_freeEXIT has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: l_freeEXIT has no Hoare annotation [2020-07-18 05:11:14,018 WARN L170 areAnnotationChecker]: L1613 has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: L1613 has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: l_mallocEXIT has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: L1613-1 has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: L1613-1 has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: L1614 has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:11:14,019 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:11:14,019 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:11:14,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:11:14 BoogieIcfgContainer [2020-07-18 05:11:14,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:11:14,026 INFO L168 Benchmark]: Toolchain (without parser) took 5959.47 ms. Allocated memory was 136.3 MB in the beginning and 306.7 MB in the end (delta: 170.4 MB). Free memory was 99.8 MB in the beginning and 197.3 MB in the end (delta: -97.4 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,027 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.10 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 149.6 MB in the end (delta: -50.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,029 INFO L168 Benchmark]: Boogie Preprocessor took 119.93 ms. Allocated memory is still 200.8 MB. Free memory was 149.6 MB in the beginning and 146.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,030 INFO L168 Benchmark]: RCFGBuilder took 872.35 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 146.0 MB in the beginning and 199.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,031 INFO L168 Benchmark]: TraceAbstraction took 4077.08 ms. Allocated memory was 229.6 MB in the beginning and 306.7 MB in the end (delta: 77.1 MB). Free memory was 199.9 MB in the beginning and 197.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:14,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.10 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 149.6 MB in the end (delta: -50.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.93 ms. Allocated memory is still 200.8 MB. Free memory was 149.6 MB in the beginning and 146.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 872.35 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 146.0 MB in the beginning and 199.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4077.08 ms. Allocated memory was 229.6 MB in the beginning and 306.7 MB in the end (delta: 77.1 MB). Free memory was 199.9 MB in the beginning and 197.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1606] int globalState = 0; VAL [\old(globalState)=8, globalState=0] [L1612] CALL, EXPR l_malloc(sizeof(int)) VAL [\old(globalState)=0, \old(size)=4, globalState=0] [L1619] void *retVal = malloc(size); VAL [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={-1:0}, retVal={-1:0}, size=4] [L1620] COND TRUE retVal != ((void *)0) VAL [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={-1:0}, retVal={-1:0}, size=4] [L1621] globalState=1 VAL [\old(globalState)=0, \old(size)=4, globalState=1, malloc(size)={-1:0}, retVal={-1:0}, size=4] [L1622] return retVal; VAL [\old(globalState)=0, \old(size)=4, \result={-1:0}, globalState=1, malloc(size)={-1:0}, retVal={-1:0}, size=4] [L1612] RET, EXPR l_malloc(sizeof(int)) VAL [\old(argc)=6, \old(globalState)=0, argc=6, argv={10:7}, argv={10:7}, globalState=1, l_malloc(sizeof(int))={-1:0}] [L1612] int *a = (int*) l_malloc(sizeof(int)); VAL [\old(argc)=6, \old(globalState)=0, a={-1:0}, argc=6, argv={10:7}, argv={10:7}, globalState=1, l_malloc(sizeof(int))={-1:0}] [L1613] CALL l_free(a) VAL [\old(globalState)=1, globalState=1, ptr={-1:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=1, globalState=1, ptr={-1:0}, ptr={-1:0}] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=1, globalState=1, ptr={-1:0}, ptr={-1:0}] [L1630] globalState = 0 VAL [\old(globalState)=1, globalState=0, ptr={-1:0}, ptr={-1:0}] [L1613] RET l_free(a) VAL [\old(argc)=6, \old(globalState)=0, a={-1:0}, argc=6, argv={10:7}, argv={10:7}, globalState=0] [L1614] CALL l_free(a) VAL [\old(globalState)=0, globalState=0, ptr={-1:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=0, globalState=0, ptr={-1:0}, ptr={-1:0}] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=0, globalState=0, ptr={-1:0}, ptr={-1:0}] [L1629] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L1601] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 94 SDslu, 186 SDs, 0 SdLazy, 280 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 7181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 incorrect! Received shutdown request...