java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:02:26,692 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:02:26,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:02:26,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:02:26,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:02:26,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:02:26,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 21:02:26,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 21:02:26,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 21:02:26,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 21:02:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 21:02:26,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 21:02:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 21:02:26,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 21:02:26,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 21:02:26,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 21:02:26,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:02:26,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:02:26,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 21:02:26,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 21:02:26,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:02:26,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:02:26,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:02:26,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 21:02:26,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 21:02:26,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 21:02:26,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 21:02:26,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 21:02:26,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 21:02:26,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 21:02:26,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 21:02:26,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 21:02:26,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 21:02:26,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 21:02:26,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 21:02:26,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 21:02:26,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 21:02:26,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 21:02:26,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 21:02:26,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 21:02:26,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 21:02:26,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 21:02:26,779 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 21:02:26,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:02:26,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:02:26,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 21:02:26,781 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 21:02:26,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:02:26,782 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 21:02:26,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 21:02:26,782 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 21:02:26,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 21:02:26,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:02:26,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:02:26,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:02:26,784 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 21:02:26,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 21:02:26,785 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 21:02:26,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:02:26,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:02:26,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 21:02:26,785 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 21:02:26,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 21:02:26,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:02:26,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:02:26,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:02:26,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:02:26,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 21:02:26,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:02:26,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:02:26,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 21:02:27,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:02:27,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:02:27,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:02:27,087 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 21:02:27,088 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 21:02:27,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i
[2019-10-13 21:02:27,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63763cfd3/c9140c23bd5744af90e16d7fe325dde2/FLAGace95cb36
[2019-10-13 21:02:27,678 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 21:02:27,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i
[2019-10-13 21:02:27,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63763cfd3/c9140c23bd5744af90e16d7fe325dde2/FLAGace95cb36
[2019-10-13 21:02:27,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63763cfd3/c9140c23bd5744af90e16d7fe325dde2
[2019-10-13 21:02:27,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:02:27,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:02:27,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:02:27,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:02:27,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:02:27,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:02:27" (1/1) ...
[2019-10-13 21:02:27,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca4108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:27, skipping insertion in model container
[2019-10-13 21:02:27,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:02:27" (1/1) ...
[2019-10-13 21:02:27,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 21:02:28,035 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:02:28,354 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:02:28,360 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 21:02:28,573 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:02:28,690 INFO L192 MainTranslator]: Completed translation
[2019-10-13 21:02:28,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28 WrapperNode
[2019-10-13 21:02:28,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:02:28,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:02:28,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:02:28,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:02:28,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
[2019-10-13 21:02:28,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:02:28,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:02:28,807 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:02:28,807 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:02:28,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert
[2019-10-13 21:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory
[2019-10-13 21:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc
[2019-10-13 21:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add
[2019-10-13 21:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del
[2019-10-13 21:02:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert
[2019-10-13 21:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow
[2019-10-13 21:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow
[2019-10-13 21:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow
[2019-10-13 21:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc
[2019-10-13 21:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc
[2019-10-13 21:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof
[2019-10-13 21:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror
[2019-10-13 21:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2019-10-13 21:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2019-10-13 21:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2019-10-13 21:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2019-10-13 21:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2019-10-13 21:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2019-10-13 21:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn
[2019-10-13 21:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2019-10-13 21:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2019-10-13 21:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2019-10-13 21:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure remove
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure rename
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure renameat
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam
[2019-10-13 21:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure fclose
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure fflush
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure fopen
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure freopen
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen
[2019-10-13 21:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2019-10-13 21:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf
[2019-10-13 21:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf
[2019-10-13 21:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf
[2019-10-13 21:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf
[2019-10-13 21:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf
[2019-10-13 21:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf
[2019-10-13 21:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf
[2019-10-13 21:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf
[2019-10-13 21:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf
[2019-10-13 21:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure scanf
[2019-10-13 21:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf
[2019-10-13 21:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf
[2019-10-13 21:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf
[2019-10-13 21:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf
[2019-10-13 21:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc
[2019-10-13 21:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure getc
[2019-10-13 21:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure getchar
[2019-10-13 21:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure fputc
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure putc
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure putchar
[2019-10-13 21:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2019-10-13 21:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked
[2019-10-13 21:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2019-10-13 21:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure getw
[2019-10-13 21:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure putw
[2019-10-13 21:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure fgets
[2019-10-13 21:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure gets
[2019-10-13 21:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim
[2019-10-13 21:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim
[2019-10-13 21:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure getline
[2019-10-13 21:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure fputs
[2019-10-13 21:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure puts
[2019-10-13 21:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc
[2019-10-13 21:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure fread
[2019-10-13 21:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite
[2019-10-13 21:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked
[2019-10-13 21:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2019-10-13 21:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure fseek
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftell
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure rewind
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftello
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos
[2019-10-13 21:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure feof
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ferror
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure perror
[2019-10-13 21:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure fileno
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure popen
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure pclose
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile
[2019-10-13 21:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure memalign
[2019-10-13 21:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2019-10-13 21:02:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc
[2019-10-13 21:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore
[2019-10-13 21:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo
[2019-10-13 21:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt
[2019-10-13 21:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim
[2019-10-13 21:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size
[2019-10-13 21:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory
[2019-10-13 21:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc
[2019-10-13 21:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure list_add
[2019-10-13 21:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure list_del
[2019-10-13 21:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:02:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 21:02:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-10-13 21:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 21:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 21:02:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 21:02:29,475 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:02:29,476 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-13 21:02:29,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:29 BoogieIcfgContainer
[2019-10-13 21:02:29,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:02:29,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:02:29,479 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:02:29,483 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:02:29,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:02:27" (1/3) ...
[2019-10-13 21:02:29,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0810ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:29, skipping insertion in model container
[2019-10-13 21:02:29,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:28" (2/3) ...
[2019-10-13 21:02:29,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0810ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:29, skipping insertion in model container
[2019-10-13 21:02:29,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:29" (3/3) ...
[2019-10-13 21:02:29,488 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i
[2019-10-13 21:02:29,498 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:02:29,506 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 21:02:29,518 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 21:02:29,552 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:02:29,552 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 21:02:29,552 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:02:29,552 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:02:29,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:02:29,553 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 21:02:29,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:02:29,553 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:02:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states.
[2019-10-13 21:02:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-10-13 21:02:29,582 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:02:29,583 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:02:29,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:02:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:02:29,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1135050545, now seen corresponding path program 1 times
[2019-10-13 21:02:29,602 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:02:29,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518519685]
[2019-10-13 21:02:29,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:29,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:29,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:02:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:02:29,844 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518519685]
[2019-10-13 21:02:29,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:02:29,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-13 21:02:29,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302120981]
[2019-10-13 21:02:29,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-13 21:02:29,852 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:02:29,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-13 21:02:29,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-10-13 21:02:29,871 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 6 states.
[2019-10-13 21:02:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:02:29,981 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions.
[2019-10-13 21:02:29,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-10-13 21:02:29,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13
[2019-10-13 21:02:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:02:29,994 INFO L225 Difference]: With dead ends: 84
[2019-10-13 21:02:29,995 INFO L226 Difference]: Without dead ends: 39
[2019-10-13 21:02:30,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:02:30,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2019-10-13 21:02:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2019-10-13 21:02:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2019-10-13 21:02:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions.
[2019-10-13 21:02:30,068 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13
[2019-10-13 21:02:30,069 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:02:30,069 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions.
[2019-10-13 21:02:30,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-13 21:02:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions.
[2019-10-13 21:02:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2019-10-13 21:02:30,072 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:02:30,074 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:02:30,075 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:02:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:02:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash -925661111, now seen corresponding path program 1 times
[2019-10-13 21:02:30,077 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:02:30,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848876992]
[2019-10-13 21:02:30,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:30,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:30,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:02:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 21:02:30,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848876992]
[2019-10-13 21:02:30,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:02:30,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:02:30,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329963324]
[2019-10-13 21:02:30,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:02:30,284 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:02:30,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:02:30,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:02:30,284 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 7 states.
[2019-10-13 21:02:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:02:30,320 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions.
[2019-10-13 21:02:30,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2019-10-13 21:02:30,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38
[2019-10-13 21:02:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:02:30,325 INFO L225 Difference]: With dead ends: 63
[2019-10-13 21:02:30,325 INFO L226 Difference]: Without dead ends: 44
[2019-10-13 21:02:30,326 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:02:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2019-10-13 21:02:30,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2019-10-13 21:02:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states.
[2019-10-13 21:02:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions.
[2019-10-13 21:02:30,338 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 38
[2019-10-13 21:02:30,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:02:30,338 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions.
[2019-10-13 21:02:30,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:02:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions.
[2019-10-13 21:02:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2019-10-13 21:02:30,340 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:02:30,340 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:02:30,341 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:02:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:02:30,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1219064118, now seen corresponding path program 1 times
[2019-10-13 21:02:30,341 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:02:30,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684530390]
[2019-10-13 21:02:30,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:30,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:30,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:02:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 21:02:30,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684530390]
[2019-10-13 21:02:30,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594620849]
[2019-10-13 21:02:30,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:02:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:30,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core
[2019-10-13 21:02:30,691 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 21:02:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 21:02:31,039 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 21:02:31,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 21:02:31,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 21:02:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:02:31,748 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences.
[2019-10-13 21:02:31,748 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [7, 15] total 31
[2019-10-13 21:02:31,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761108773]
[2019-10-13 21:02:31,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states
[2019-10-13 21:02:31,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:02:31,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2019-10-13 21:02:31,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930
[2019-10-13 21:02:31,751 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 13 states.
[2019-10-13 21:02:32,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:02:32,522 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions.
[2019-10-13 21:02:32,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2019-10-13 21:02:32,523 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38
[2019-10-13 21:02:32,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:02:32,526 INFO L225 Difference]: With dead ends: 76
[2019-10-13 21:02:32,526 INFO L226 Difference]: Without dead ends: 65
[2019-10-13 21:02:32,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=264, Invalid=1376, Unknown=0, NotChecked=0, Total=1640
[2019-10-13 21:02:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2019-10-13 21:02:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57.
[2019-10-13 21:02:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states.
[2019-10-13 21:02:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions.
[2019-10-13 21:02:32,541 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 38
[2019-10-13 21:02:32,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:02:32,541 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions.
[2019-10-13 21:02:32,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2019-10-13 21:02:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions.
[2019-10-13 21:02:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2019-10-13 21:02:32,543 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:02:32,544 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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]
[2019-10-13 21:02:32,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:02:32,748 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:02:32,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:02:32,748 INFO L82 PathProgramCache]: Analyzing trace with hash -775693011, now seen corresponding path program 1 times
[2019-10-13 21:02:32,749 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:02:32,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443839387]
[2019-10-13 21:02:32,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:32,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:02:32,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:02:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 21:02:32,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443839387]
[2019-10-13 21:02:32,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403895230]
[2019-10-13 21:02:32,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:02:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:02:32,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjunts are in the unsatisfiable core
[2019-10-13 21:02:32,982 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 21:02:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-13 21:02:33,326 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 21:02:34,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 21:02:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:02:34,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1140906490]
[2019-10-13 21:02:34,160 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 46
[2019-10-13 21:02:34,196 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 21:02:34,197 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 21:02:34,247 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 21:02:34,248 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 0. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables.
[2019-10-13 21:02:34,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:02:34,252 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 21:02:34,285 INFO L219 lantSequenceWeakener]: Could never weaken!
[2019-10-13 21:02:34,285 INFO L551 sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 21:02:34,287 INFO L553 sIntCurrentIteration]: We unified 44 AI predicates to 44
[2019-10-13 21:02:34,288 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 21:02:34,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 21:02:34,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 20, 22] total 41
[2019-10-13 21:02:34,289 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202257285]
[2019-10-13 21:02:34,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 21:02:34,290 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:02:34,290 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 21:02:34,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 21:02:34,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:02:34,291 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 2 states.
[2019-10-13 21:02:34,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:02:34,294 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions.
[2019-10-13 21:02:34,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 21:02:34,295 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 45
[2019-10-13 21:02:34,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:02:34,295 INFO L225 Difference]: With dead ends: 57
[2019-10-13 21:02:34,296 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 21:02:34,296 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:02:34,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:02:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:02:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:02:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:02:34,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2019-10-13 21:02:34,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:02:34,298 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:02:34,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 21:02:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:02:34,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:02:34,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:02:34,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:02:34,597 INFO L443 ceAbstractionStarter]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed.
[2019-10-13 21:02:34,597 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true
[2019-10-13 21:02:34,598 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed.
[2019-10-13 21:02:34,598 INFO L446 ceAbstractionStarter]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: true
[2019-10-13 21:02:34,598 INFO L443 ceAbstractionStarter]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed.
[2019-10-13 21:02:34,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:02:34,598 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true
[2019-10-13 21:02:34,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:02:34,598 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 897) no Hoare annotation was computed.
[2019-10-13 21:02:34,599 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 895 898) no Hoare annotation was computed.
[2019-10-13 21:02:34,599 INFO L443 ceAbstractionStarter]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed.
[2019-10-13 21:02:34,599 INFO L439 ceAbstractionStarter]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (not (<= |old(~elem~0.offset)| 0)) (<= ~elem~0.offset 0))
[2019-10-13 21:02:34,599 INFO L439 ceAbstractionStarter]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (not (<= |old(~elem~0.offset)| 0)) (not (<= 2 |list_add_#in~new.offset|)) (<= ~elem~0.offset 0))
[2019-10-13 21:02:34,599 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 892) no Hoare annotation was computed.
[2019-10-13 21:02:34,599 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed.
[2019-10-13 21:02:34,600 INFO L443 ceAbstractionStarter]: For program point L891-2(lines 889 893) no Hoare annotation was computed.
[2019-10-13 21:02:34,600 INFO L439 ceAbstractionStarter]: At program point L890-2(line 890) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (not (<= |old(~elem~0.offset)| 0)) (not (<= 2 |list_add_#in~new.offset|)))
[2019-10-13 21:02:34,600 INFO L443 ceAbstractionStarter]: For program point L890-3(line 890) no Hoare annotation was computed.
[2019-10-13 21:02:34,600 INFO L443 ceAbstractionStarter]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed.
[2019-10-13 21:02:34,600 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed.
[2019-10-13 21:02:34,601 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed.
[2019-10-13 21:02:34,601 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed.
[2019-10-13 21:02:34,601 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true
[2019-10-13 21:02:34,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:02:34,601 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false
[2019-10-13 21:02:34,601 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 21:02:34,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:02:34,602 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 902 917) the Hoare annotation is: true
[2019-10-13 21:02:34,602 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed.
[2019-10-13 21:02:34,602 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true
[2019-10-13 21:02:34,602 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed.
[2019-10-13 21:02:34,602 INFO L446 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: true
[2019-10-13 21:02:34,602 INFO L446 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: true
[2019-10-13 21:02:34,603 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 915) no Hoare annotation was computed.
[2019-10-13 21:02:34,603 INFO L446 ceAbstractionStarter]: At program point L907-1(line 907) the Hoare annotation is: true
[2019-10-13 21:02:34,603 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true
[2019-10-13 21:02:34,603 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 906 915) no Hoare annotation was computed.
[2019-10-13 21:02:34,603 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true
[2019-10-13 21:02:34,603 INFO L443 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed.
[2019-10-13 21:02:34,603 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed.
[2019-10-13 21:02:34,604 INFO L446 ceAbstractionStarter]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: true
[2019-10-13 21:02:34,604 INFO L443 ceAbstractionStarter]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed.
[2019-10-13 21:02:34,604 INFO L443 ceAbstractionStarter]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed.
[2019-10-13 21:02:34,604 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 874) no Hoare annotation was computed.
[2019-10-13 21:02:34,604 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed.
[2019-10-13 21:02:34,605 INFO L446 ceAbstractionStarter]: At program point L871-2(line 871) the Hoare annotation is: true
[2019-10-13 21:02:34,605 INFO L443 ceAbstractionStarter]: For program point L871-3(line 871) no Hoare annotation was computed.
[2019-10-13 21:02:34,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:02:34 BoogieIcfgContainer
[2019-10-13 21:02:34,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:02:34,612 INFO L168 Benchmark]: Toolchain (without parser) took 6632.83 ms. Allocated memory was 137.9 MB in the beginning and 284.7 MB in the end (delta: 146.8 MB). Free memory was 101.3 MB in the beginning and 94.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 153.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,613 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.30 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 168.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,615 INFO L168 Benchmark]: Boogie Preprocessor took 113.65 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 165.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,615 INFO L168 Benchmark]: RCFGBuilder took 670.89 ms. Allocated memory is still 202.9 MB. Free memory was 165.9 MB in the beginning and 120.5 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,616 INFO L168 Benchmark]: TraceAbstraction took 5130.38 ms. Allocated memory was 202.9 MB in the beginning and 284.7 MB in the end (delta: 81.8 MB). Free memory was 120.5 MB in the beginning and 94.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:02:34,621 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 713.30 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 168.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 113.65 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 165.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 670.89 ms. Allocated memory is still 202.9 MB. Free memory was 165.9 MB in the beginning and 120.5 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5130.38 ms. Allocated memory was 202.9 MB in the beginning and 284.7 MB in the end (delta: 81.8 MB). Free memory was 120.5 MB in the beginning and 94.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 8 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 77 SDslu, 546 SDs, 0 SdLazy, 449 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 53 PreInvPairs, 55 NumberOfFragments, 56 HoareAnnotationTreeSize, 53 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 50571 SizeOfPredicates, 15 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 50/83 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 92, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.4090909090909092, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...