/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-21 22:45:12,665 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 22:45:12,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 22:45:12,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 22:45:12,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 22:45:12,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 22:45:12,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 22:45:12,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 22:45:12,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 22:45:12,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 22:45:12,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 22:45:12,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 22:45:12,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 22:45:12,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 22:45:12,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 22:45:12,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 22:45:12,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 22:45:12,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 22:45:12,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 22:45:12,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 22:45:12,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 22:45:12,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 22:45:12,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 22:45:12,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 22:45:12,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 22:45:12,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 22:45:12,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 22:45:12,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 22:45:12,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 22:45:12,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 22:45:12,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 22:45:12,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 22:45:12,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 22:45:12,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 22:45:12,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 22:45:12,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 22:45:12,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 22:45:12,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 22:45:12,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 22:45:12,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 22:45:12,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 22:45:12,756 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
[2020-07-21 22:45:12,777 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 22:45:12,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 22:45:12,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 22:45:12,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 22:45:12,781 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 22:45:12,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 22:45:12,781 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 22:45:12,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 22:45:12,782 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 22:45:12,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 22:45:12,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 22:45:12,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 22:45:12,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 22:45:12,784 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 22:45:12,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 22:45:12,784 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 22:45:12,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 22:45:12,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 22:45:12,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 22:45:12,785 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 22:45:12,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 22:45:12,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 22:45:12,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 22:45:12,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 22:45:12,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 22:45:12,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 22:45:12,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 22:45:12,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 22:45:12,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 22:45:12,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-21 22:45:13,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 22:45:13,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 22:45:13,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 22:45:13,120 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 22:45:13,121 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 22:45:13,121 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i
[2020-07-21 22:45:13,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d907b0c12/8e433a661aaa4e52aaebabf2ea8893e3/FLAGfdfe74782
[2020-07-21 22:45:13,811 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 22:45:13,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i
[2020-07-21 22:45:13,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d907b0c12/8e433a661aaa4e52aaebabf2ea8893e3/FLAGfdfe74782
[2020-07-21 22:45:14,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d907b0c12/8e433a661aaa4e52aaebabf2ea8893e3
[2020-07-21 22:45:14,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 22:45:14,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 22:45:14,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 22:45:14,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 22:45:14,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 22:45:14,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458b7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14, skipping insertion in model container
[2020-07-21 22:45:14,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 22:45:14,163 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 22:45:14,632 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 22:45:14,648 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 22:45:14,723 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 22:45:14,796 INFO L208 MainTranslator]: Completed translation
[2020-07-21 22:45:14,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14 WrapperNode
[2020-07-21 22:45:14,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 22:45:14,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 22:45:14,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 22:45:14,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 22:45:14,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (1/1) ...
[2020-07-21 22:45:14,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 22:45:14,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 22:45:14,883 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 22:45:14,883 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 22:45:14,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (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
[2020-07-21 22:45:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 22:45:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 22:45:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 22:45:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-07-21 22:45:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-07-21 22:45:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-07-21 22:45:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-07-21 22:45:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-07-21 22:45:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-07-21 22:45:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-07-21 22:45:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-07-21 22:45:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-07-21 22:45:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-07-21 22:45:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-07-21 22:45:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-07-21 22:45:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-07-21 22:45:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-07-21 22:45:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-07-21 22:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-07-21 22:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-07-21 22:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-07-21 22:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-07-21 22:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-07-21 22:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-07-21 22:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-07-21 22:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-07-21 22:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-07-21 22:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-07-21 22:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-07-21 22:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-07-21 22:45:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-07-21 22:45:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-07-21 22:45:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-07-21 22:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-07-21 22:45:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 22:45:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-07-21 22:45:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2020-07-21 22:45:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-07-21 22:45:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-07-21 22:45:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-07-21 22:45:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-07-21 22:45:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-07-21 22:45:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 22:45:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 22:45:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 22:45:15,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 22:45:15,621 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-07-21 22:45:15,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:15 BoogieIcfgContainer
[2020-07-21 22:45:15,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 22:45:15,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 22:45:15,628 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 22:45:15,632 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 22:45:15,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:45:14" (1/3) ...
[2020-07-21 22:45:15,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a92e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:15, skipping insertion in model container
[2020-07-21 22:45:15,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:14" (2/3) ...
[2020-07-21 22:45:15,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a92e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:15, skipping insertion in model container
[2020-07-21 22:45:15,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:15" (3/3) ...
[2020-07-21 22:45:15,636 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue-2.i
[2020-07-21 22:45:15,649 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 22:45:15,658 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 22:45:15,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 22:45:15,704 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 22:45:15,705 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 22:45:15,705 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 22:45:15,705 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 22:45:15,705 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 22:45:15,706 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 22:45:15,706 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 22:45:15,706 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 22:45:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states.
[2020-07-21 22:45:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-07-21 22:45:15,735 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 22:45:15,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 22:45:15,737 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 22:45:15,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 22:45:15,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1759752198, now seen corresponding path program 1 times
[2020-07-21 22:45:15,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 22:45:15,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107043694]
[2020-07-21 22:45:15,755 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 22:45:15,946 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 22:45:15,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 22:45:15,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 22:45:15,978 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 22:45:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 22:45:16,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 22:45:16,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107043694]
[2020-07-21 22:45:16,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 22:45:16,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 22:45:16,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594615889]
[2020-07-21 22:45:16,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 22:45:16,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 22:45:16,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 22:45:16,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 22:45:16,038 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states.
[2020-07-21 22:45:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 22:45:16,073 INFO L93 Difference]: Finished difference Result 53 states and 80 transitions.
[2020-07-21 22:45:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-21 22:45:16,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15
[2020-07-21 22:45:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 22:45:16,088 INFO L225 Difference]: With dead ends: 53
[2020-07-21 22:45:16,089 INFO L226 Difference]: Without dead ends: 23
[2020-07-21 22:45:16,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 22:45:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2020-07-21 22:45:16,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2020-07-21 22:45:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states.
[2020-07-21 22:45:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions.
[2020-07-21 22:45:16,144 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 15
[2020-07-21 22:45:16,145 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 22:45:16,145 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions.
[2020-07-21 22:45:16,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 22:45:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions.
[2020-07-21 22:45:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-07-21 22:45:16,146 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 22:45:16,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 22:45:16,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 22:45:16,362 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 22:45:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 22:45:16,363 INFO L82 PathProgramCache]: Analyzing trace with hash -666433660, now seen corresponding path program 1 times
[2020-07-21 22:45:16,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 22:45:16,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194821054]
[2020-07-21 22:45:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 22:45:16,543 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 22:45:16,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-21 22:45:16,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 22:45:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 22:45:16,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 22:45:16,600 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 22:45:16,600 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 22:45:16,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 22:45:16,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:45:16 BoogieIcfgContainer
[2020-07-21 22:45:16,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 22:45:16,848 INFO L168 Benchmark]: Toolchain (without parser) took 2758.68 ms. Allocated memory was 137.9 MB in the beginning and 235.4 MB in the end (delta: 97.5 MB). Free memory was 101.8 MB in the beginning and 164.0 MB in the end (delta: -62.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,849 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.68 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,851 INFO L168 Benchmark]: Boogie Preprocessor took 83.63 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 168.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,852 INFO L168 Benchmark]: RCFGBuilder took 743.44 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 122.9 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,853 INFO L168 Benchmark]: TraceAbstraction took 1217.12 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 122.2 MB in the beginning and 164.0 MB in the end (delta: -41.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-21 22:45:16,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 707.68 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.4 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 83.63 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 168.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 743.44 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 122.9 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1217.12 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 122.2 MB in the beginning and 164.0 MB in the end (delta: -41.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1042]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L988] SLL* head = malloc(sizeof(SLL));
[L989] head->next = ((void*)0)
[L990] head->data = 0
[L992] SLL* x = head;
VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}]
[L995] COND FALSE !(__VERIFIER_nondet_int())
[L1005] COND TRUE __VERIFIER_nondet_int()
[L1006] x = malloc(sizeof(SLL))
[L1007] x->data = 1
[L1008] x->next = head
[L1009] head = x
VAL [head={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-2:0}]
[L1029] x = head
VAL [head={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-2:0}]
[L1032] EXPR x->data
VAL [head={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-2:0}, x->data=1]
[L1032] COND FALSE !(x->data != 1)
[L1038] EXPR x->next
[L1038] x = x->next
[L1039] COND TRUE \read(*x)
[L1041] EXPR x->data
VAL [head={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->data=0]
[L1041] COND TRUE x->data != 1
[L1042] __VERIFIER_error()
VAL [head={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...