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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-13a467a-m
[2019-10-15 02:59:28,026 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-15 02:59:28,030 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-15 02:59:28,050 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-15 02:59:28,051 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-15 02:59:28,053 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-15 02:59:28,056 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-15 02:59:28,063 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-15 02:59:28,065 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-15 02:59:28,067 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-15 02:59:28,069 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-15 02:59:28,070 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-15 02:59:28,071 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-15 02:59:28,074 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-15 02:59:28,077 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-15 02:59:28,079 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-15 02:59:28,080 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-15 02:59:28,084 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-15 02:59:28,085 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-15 02:59:28,091 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-15 02:59:28,096 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-15 02:59:28,099 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-15 02:59:28,102 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-15 02:59:28,103 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-15 02:59:28,106 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-15 02:59:28,107 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-15 02:59:28,107 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-15 02:59:28,109 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-15 02:59:28,110 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-15 02:59:28,111 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-15 02:59:28,111 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-15 02:59:28,113 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-15 02:59:28,114 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-15 02:59:28,115 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-15 02:59:28,116 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-15 02:59:28,117 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-15 02:59:28,117 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-15 02:59:28,118 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-15 02:59:28,118 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-15 02:59:28,119 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-15 02:59:28,120 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-15 02:59:28,121 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
[2019-10-15 02:59:28,142 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-15 02:59:28,142 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-15 02:59:28,144 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-15 02:59:28,145 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-15 02:59:28,145 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-15 02:59:28,145 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-15 02:59:28,145 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-15 02:59:28,145 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-15 02:59:28,146 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-15 02:59:28,146 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-15 02:59:28,147 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-15 02:59:28,147 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-15 02:59:28,147 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-15 02:59:28,148 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-15 02:59:28,148 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-15 02:59:28,148 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-15 02:59:28,148 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-15 02:59:28,149 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-15 02:59:28,149 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-15 02:59:28,149 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-15 02:59:28,149 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-15 02:59:28,149 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-15 02:59:28,150 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-15 02:59:28,150 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-15 02:59:28,150 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-15 02:59:28,150 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-15 02:59:28,150 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-15 02:59:28,151 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-15 02:59:28,151 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-15 02:59:28,466 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-15 02:59:28,481 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-15 02:59:28,484 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-15 02:59:28,486 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-15 02:59:28,487 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-15 02:59:28,487 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i
[2019-10-15 02:59:28,569 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802a01cc4/ae29f679ef8c4fb3867f1b7c11095544/FLAG03f4dcf69
[2019-10-15 02:59:29,124 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-15 02:59:29,125 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i
[2019-10-15 02:59:29,139 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802a01cc4/ae29f679ef8c4fb3867f1b7c11095544/FLAG03f4dcf69
[2019-10-15 02:59:29,414 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802a01cc4/ae29f679ef8c4fb3867f1b7c11095544
[2019-10-15 02:59:29,425 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-15 02:59:29,426 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-15 02:59:29,431 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-15 02:59:29,431 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-15 02:59:29,435 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-15 02:59:29,436 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:29" (1/1) ...
[2019-10-15 02:59:29,439 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109e2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:29, skipping insertion in model container
[2019-10-15 02:59:29,439 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:29" (1/1) ...
[2019-10-15 02:59:29,448 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-15 02:59:29,508 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-15 02:59:29,971 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 02:59:29,981 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-15 02:59:30,030 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 02:59:30,100 INFO  L192         MainTranslator]: Completed translation
[2019-10-15 02:59:30,101 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30 WrapperNode
[2019-10-15 02:59:30,102 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-15 02:59:30,103 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-15 02:59:30,103 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-15 02:59:30,103 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-15 02:59:30,114 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,114 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,131 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,131 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,147 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,153 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,157 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
[2019-10-15 02:59:30,164 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-15 02:59:30,165 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-15 02:59:30,165 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-15 02:59:30,165 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-15 02:59:30,166 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-15 02:59:30,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure node_create
[2019-10-15 02:59:30,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_circular_create
[2019-10-15 02:59:30,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_circular_destroy
[2019-10-15 02:59:30,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at
[2019-10-15 02:59:30,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_circular_update_at
[2019-10-15 02:59:30,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-15 02:59:30,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-15 02:59:30,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2019-10-15 02:59:30,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2019-10-15 02:59:30,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2019-10-15 02:59:30,238 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2019-10-15 02:59:30,238 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2019-10-15 02:59:30,238 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2019-10-15 02:59:30,239 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2019-10-15 02:59:30,240 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2019-10-15 02:59:30,241 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2019-10-15 02:59:30,242 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2019-10-15 02:59:30,243 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2019-10-15 02:59:30,244 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-10-15 02:59:30,245 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2019-10-15 02:59:30,246 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2019-10-15 02:59:30,247 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2019-10-15 02:59:30,248 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2019-10-15 02:59:30,249 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2019-10-15 02:59:30,250 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2019-10-15 02:59:30,251 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2019-10-15 02:59:30,252 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure node_create
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_circular_create
[2019-10-15 02:59:30,253 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_circular_destroy
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_circular_update_at
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-15 02:59:30,254 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-15 02:59:30,255 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-15 02:59:30,739 INFO  L685   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2019-10-15 02:59:31,045 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-15 02:59:31,046 INFO  L284             CfgBuilder]: Removed 6 assume(true) statements.
[2019-10-15 02:59:31,047 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:59:31 BoogieIcfgContainer
[2019-10-15 02:59:31,047 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-15 02:59:31,051 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-15 02:59:31,052 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-15 02:59:31,057 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-15 02:59:31,058 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:59:29" (1/3) ...
[2019-10-15 02:59:31,061 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60022eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:59:31, skipping insertion in model container
[2019-10-15 02:59:31,061 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:30" (2/3) ...
[2019-10-15 02:59:31,062 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60022eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:59:31, skipping insertion in model container
[2019-10-15 02:59:31,062 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:59:31" (3/3) ...
[2019-10-15 02:59:31,064 INFO  L109   eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i
[2019-10-15 02:59:31,078 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-15 02:59:31,089 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-15 02:59:31,102 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-15 02:59:31,124 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-15 02:59:31,124 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-15 02:59:31,124 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-15 02:59:31,124 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-15 02:59:31,124 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-15 02:59:31,124 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-15 02:59:31,125 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-15 02:59:31,125 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-15 02:59:31,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states.
[2019-10-15 02:59:31,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-10-15 02:59:31,147 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:59:31,148 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:59:31,150 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:59:31,155 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:59:31,155 INFO  L82        PathProgramCache]: Analyzing trace with hash 246515482, now seen corresponding path program 1 times
[2019-10-15 02:59:31,165 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:59:31,166 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472244247]
[2019-10-15 02:59:31,166 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:31,166 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:31,167 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:59:31,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:31,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-15 02:59:31,458 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472244247]
[2019-10-15 02:59:31,461 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 02:59:31,462 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-15 02:59:31,462 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411829858]
[2019-10-15 02:59:31,466 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-15 02:59:31,467 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:59:31,481 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-15 02:59:31,481 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-15 02:59:31,484 INFO  L87              Difference]: Start difference. First operand 47 states. Second operand 4 states.
[2019-10-15 02:59:31,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:59:31,567 INFO  L93              Difference]: Finished difference Result 76 states and 94 transitions.
[2019-10-15 02:59:31,567 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-15 02:59:31,569 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 25
[2019-10-15 02:59:31,569 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:59:31,578 INFO  L225             Difference]: With dead ends: 76
[2019-10-15 02:59:31,578 INFO  L226             Difference]: Without dead ends: 42
[2019-10-15 02:59:31,582 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-10-15 02:59:31,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2019-10-15 02:59:31,625 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34.
[2019-10-15 02:59:31,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 34 states.
[2019-10-15 02:59:31,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions.
[2019-10-15 02:59:31,630 INFO  L78                 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 25
[2019-10-15 02:59:31,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:59:31,630 INFO  L462      AbstractCegarLoop]: Abstraction has 34 states and 39 transitions.
[2019-10-15 02:59:31,630 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-15 02:59:31,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions.
[2019-10-15 02:59:31,632 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-15 02:59:31,632 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:59:31,632 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:59:31,633 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:59:31,633 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:59:31,633 INFO  L82        PathProgramCache]: Analyzing trace with hash -2069588377, now seen corresponding path program 1 times
[2019-10-15 02:59:31,633 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:59:31,634 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027337691]
[2019-10-15 02:59:31,634 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:31,634 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:31,634 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:59:31,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:31,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-15 02:59:31,949 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027337691]
[2019-10-15 02:59:31,950 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71359202]
[2019-10-15 02:59:31,950 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
[2019-10-15 02:59:32,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:32,124 INFO  L256         TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-10-15 02:59:32,133 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-15 02:59:32,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-15 02:59:32,174 INFO  L321         TraceCheckSpWp]: Computing backward predicates...
[2019-10-15 02:59:32,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-15 02:59:32,292 INFO  L223   tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences.
[2019-10-15 02:59:32,293 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [13] total 14
[2019-10-15 02:59:32,293 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673939853]
[2019-10-15 02:59:32,296 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-15 02:59:32,297 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:59:32,298 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-15 02:59:32,298 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2019-10-15 02:59:32,299 INFO  L87              Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 6 states.
[2019-10-15 02:59:32,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:59:32,393 INFO  L93              Difference]: Finished difference Result 55 states and 65 transitions.
[2019-10-15 02:59:32,393 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-10-15 02:59:32,393 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 31
[2019-10-15 02:59:32,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:59:32,395 INFO  L225             Difference]: With dead ends: 55
[2019-10-15 02:59:32,395 INFO  L226             Difference]: Without dead ends: 37
[2019-10-15 02:59:32,396 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2019-10-15 02:59:32,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2019-10-15 02:59:32,402 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35.
[2019-10-15 02:59:32,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2019-10-15 02:59:32,404 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions.
[2019-10-15 02:59:32,404 INFO  L78                 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 31
[2019-10-15 02:59:32,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:59:32,404 INFO  L462      AbstractCegarLoop]: Abstraction has 35 states and 40 transitions.
[2019-10-15 02:59:32,404 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-15 02:59:32,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions.
[2019-10-15 02:59:32,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2019-10-15 02:59:32,406 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:59:32,406 INFO  L380         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:59:32,619 WARN  L499      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-15 02:59:32,619 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:59:32,619 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:59:32,620 INFO  L82        PathProgramCache]: Analyzing trace with hash -110051892, now seen corresponding path program 1 times
[2019-10-15 02:59:32,620 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:59:32,620 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905578116]
[2019-10-15 02:59:32,620 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:32,620 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:32,620 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:59:32,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:32,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2019-10-15 02:59:32,848 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905578116]
[2019-10-15 02:59:32,848 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364716596]
[2019-10-15 02:59:32,849 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
[2019-10-15 02:59:33,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:33,019 INFO  L256         TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core
[2019-10-15 02:59:33,022 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-15 02:59:33,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2019-10-15 02:59:33,054 INFO  L321         TraceCheckSpWp]: Computing backward predicates...
[2019-10-15 02:59:33,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2019-10-15 02:59:33,149 INFO  L223   tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences.
[2019-10-15 02:59:33,149 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [10] total 12
[2019-10-15 02:59:33,150 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403654442]
[2019-10-15 02:59:33,150 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-15 02:59:33,151 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 02:59:33,151 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-15 02:59:33,151 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2019-10-15 02:59:33,151 INFO  L87              Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 7 states.
[2019-10-15 02:59:33,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 02:59:33,230 INFO  L93              Difference]: Finished difference Result 60 states and 72 transitions.
[2019-10-15 02:59:33,231 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-10-15 02:59:33,231 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 38
[2019-10-15 02:59:33,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 02:59:33,234 INFO  L225             Difference]: With dead ends: 60
[2019-10-15 02:59:33,234 INFO  L226             Difference]: Without dead ends: 45
[2019-10-15 02:59:33,235 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2019-10-15 02:59:33,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2019-10-15 02:59:33,243 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38.
[2019-10-15 02:59:33,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2019-10-15 02:59:33,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions.
[2019-10-15 02:59:33,244 INFO  L78                 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 38
[2019-10-15 02:59:33,245 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 02:59:33,245 INFO  L462      AbstractCegarLoop]: Abstraction has 38 states and 45 transitions.
[2019-10-15 02:59:33,245 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-15 02:59:33,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions.
[2019-10-15 02:59:33,246 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2019-10-15 02:59:33,246 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 02:59:33,247 INFO  L380         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 02:59:33,450 WARN  L499      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-15 02:59:33,450 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 02:59:33,451 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 02:59:33,451 INFO  L82        PathProgramCache]: Analyzing trace with hash 688594833, now seen corresponding path program 1 times
[2019-10-15 02:59:33,451 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 02:59:33,451 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578465173]
[2019-10-15 02:59:33,451 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:33,452 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 02:59:33,452 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 02:59:33,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:33,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-15 02:59:33,543 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578465173]
[2019-10-15 02:59:33,543 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556800458]
[2019-10-15 02:59:33,543 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-15 02:59:33,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 02:59:33,671 INFO  L256         TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-10-15 02:59:33,679 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-15 02:59:33,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-15 02:59:33,729 INFO  L321         TraceCheckSpWp]: Computing backward predicates...
[2019-10-15 02:59:33,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2019-10-15 02:59:33,782 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1796375651]
[2019-10-15 02:59:33,818 INFO  L162        IcfgInterpreter]: Started Sifa with 33 locations of interest
[2019-10-15 02:59:33,818 INFO  L169        IcfgInterpreter]: Building call graph
[2019-10-15 02:59:33,824 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-15 02:59:33,831 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-10-15 02:59:33,832 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-15 02:59:33,993 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs
[2019-10-15 02:59:34,136 WARN  L225             Elim1Store]: Array PQE input equivalent to false
[2019-10-15 02:59:36,349 WARN  L225             Elim1Store]: Array PQE input equivalent to false
[2019-10-15 02:59:36,531 WARN  L225             Elim1Store]: Array PQE input equivalent to false
[2019-10-15 02:59:37,587 WARN  L499      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-15 02:59:37,588 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: java.lang.UnsupportedOperationException: expected NNF
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:122)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.lang.UnsupportedOperationException: expected NNF
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236)
	at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195)
	at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
	at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.<init>(ArrayOccurrenceAnalysis.java:181)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.<init>(ArrayOccurrenceAnalysis.java:74)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionReturn(PredicateTransformer.java:202)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postReturn(SymbolicTools.java:147)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:232)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139)
	at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.<init>(SifaRunner.java:102)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299)
	... 21 more
[2019-10-15 02:59:37,602 INFO  L168              Benchmark]: Toolchain (without parser) took 8169.46 ms. Allocated memory was 136.3 MB in the beginning and 303.6 MB in the end (delta: 167.2 MB). Free memory was 99.9 MB in the beginning and 226.5 MB in the end (delta: -126.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,602 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,603 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 671.51 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.5 MB in the beginning and 165.6 MB in the end (delta: -66.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,603 INFO  L168              Benchmark]: Boogie Preprocessor took 61.77 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 162.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,604 INFO  L168              Benchmark]: RCFGBuilder took 882.48 ms. Allocated memory is still 200.8 MB. Free memory was 162.9 MB in the beginning and 101.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,604 INFO  L168              Benchmark]: TraceAbstraction took 6541.38 ms. Allocated memory was 200.8 MB in the beginning and 303.6 MB in the end (delta: 102.8 MB). Free memory was 100.7 MB in the beginning and 226.5 MB in the end (delta: -125.9 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-10-15 02:59:37,609 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 671.51 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.5 MB in the beginning and 165.6 MB in the end (delta: -66.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 61.77 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 162.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 882.48 ms. Allocated memory is still 200.8 MB. Free memory was 162.9 MB in the beginning and 101.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 6541.38 ms. Allocated memory was 200.8 MB in the beginning and 303.6 MB in the end (delta: 102.8 MB). Free memory was 100.7 MB in the beginning and 226.5 MB in the end (delta: -125.9 MB). There was no memory consumed. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: expected NNF
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...