/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i


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


This is Ultimate 0.1.25-177f698
[2020-08-21 22:12:28,511 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 22:12:28,514 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 22:12:28,537 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 22:12:28,538 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 22:12:28,539 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 22:12:28,540 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 22:12:28,542 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 22:12:28,544 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 22:12:28,545 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 22:12:28,546 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 22:12:28,547 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 22:12:28,547 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 22:12:28,548 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 22:12:28,549 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 22:12:28,550 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 22:12:28,551 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 22:12:28,552 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 22:12:28,554 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 22:12:28,556 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 22:12:28,557 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 22:12:28,558 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 22:12:28,559 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 22:12:28,560 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 22:12:28,562 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 22:12:28,563 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 22:12:28,563 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 22:12:28,564 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 22:12:28,564 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 22:12:28,565 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 22:12:28,565 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 22:12:28,566 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 22:12:28,567 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 22:12:28,568 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 22:12:28,569 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 22:12:28,569 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 22:12:28,569 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 22:12:28,570 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 22:12:28,570 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 22:12:28,571 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 22:12:28,572 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 22:12:28,572 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-21 22:12:28,595 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 22:12:28,596 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 22:12:28,597 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 22:12:28,597 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 22:12:28,597 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 22:12:28,598 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 22:12:28,598 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 22:12:28,598 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 22:12:28,598 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 22:12:28,598 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 22:12:28,599 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 22:12:28,600 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 22:12:28,600 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 22:12:28,600 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 22:12:28,600 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 22:12:28,600 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 22:12:28,601 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 22:12:28,601 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 22:12:28,601 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 22:12:28,601 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 22:12:28,601 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 22:12:28,602 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 22:12:28,602 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 22:12:28,602 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 22:12:28,602 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 -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true;
[2020-08-21 22:12:28,935 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 22:12:28,948 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 22:12:28,952 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 22:12:28,954 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 22:12:28,954 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 22:12:28,955 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i
[2020-08-21 22:12:29,018 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6/FLAG79b03e774
[2020-08-21 22:12:29,603 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 22:12:29,604 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_remove_all.i
[2020-08-21 22:12:29,632 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6/FLAG79b03e774
[2020-08-21 22:12:29,864 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6
[2020-08-21 22:12:29,873 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 22:12:29,875 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 22:12:29,879 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 22:12:29,879 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 22:12:29,883 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 22:12:29,884 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:12:29" (1/1) ...
[2020-08-21 22:12:29,888 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2018f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:29, skipping insertion in model container
[2020-08-21 22:12:29,888 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:12:29" (1/1) ...
[2020-08-21 22:12:29,898 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 22:12:29,962 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 22:12:30,459 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 22:12:30,471 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 22:12:30,520 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 22:12:30,584 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 22:12:30,585 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30 WrapperNode
[2020-08-21 22:12:30,585 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 22:12:30,586 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 22:12:30,586 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 22:12:30,586 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 22:12:30,600 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,601 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,618 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,619 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,635 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,640 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,644 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
[2020-08-21 22:12:30,651 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 22:12:30,652 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 22:12:30,652 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 22:12:30,652 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 22:12:30,653 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-08-21 22:12:30,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 22:12:30,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 22:12:30,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure node_create
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_create
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure dll_remove_first
[2020-08-21 22:12:30,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-08-21 22:12:30,719 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-08-21 22:12:30,720 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-08-21 22:12:30,721 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-08-21 22:12:30,722 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-08-21 22:12:30,723 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-08-21 22:12:30,724 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-08-21 22:12:30,725 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-08-21 22:12:30,726 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-08-21 22:12:30,727 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-08-21 22:12:30,728 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-08-21 22:12:30,729 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-08-21 22:12:30,730 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-08-21 22:12:30,731 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-08-21 22:12:30,731 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-08-21 22:12:30,731 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-08-21 22:12:30,731 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-08-21 22:12:30,731 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-08-21 22:12:30,732 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-08-21 22:12:30,733 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-08-21 22:12:30,734 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure node_create
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 22:12:30,735 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_create
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure dll_remove_first
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 22:12:30,736 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 22:12:30,737 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-08-21 22:12:30,737 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 22:12:30,737 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 22:12:30,737 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 22:12:31,131 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2020-08-21 22:12:31,322 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 22:12:31,322 INFO  L295             CfgBuilder]: Removed 2 assume(true) statements.
[2020-08-21 22:12:31,326 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:12:31 BoogieIcfgContainer
[2020-08-21 22:12:31,327 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 22:12:31,328 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 22:12:31,328 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 22:12:31,331 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 22:12:31,332 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:12:29" (1/3) ...
[2020-08-21 22:12:31,333 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b959413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:12:31, skipping insertion in model container
[2020-08-21 22:12:31,333 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (2/3) ...
[2020-08-21 22:12:31,333 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b959413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:12:31, skipping insertion in model container
[2020-08-21 22:12:31,334 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:12:31" (3/3) ...
[2020-08-21 22:12:31,336 INFO  L109   eAbstractionObserver]: Analyzing ICFG dll2n_remove_all.i
[2020-08-21 22:12:31,347 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 22:12:31,355 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 22:12:31,367 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 22:12:31,387 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 22:12:31,387 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 22:12:31,387 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 22:12:31,387 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 22:12:31,387 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 22:12:31,388 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 22:12:31,388 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 22:12:31,388 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 22:12:31,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states.
[2020-08-21 22:12:31,409 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-08-21 22:12:31,410 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:31,411 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:31,411 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:31,415 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:31,416 INFO  L82        PathProgramCache]: Analyzing trace with hash 1664510762, now seen corresponding path program 1 times
[2020-08-21 22:12:31,423 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:31,424 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289541066]
[2020-08-21 22:12:31,424 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:31,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:31,619 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:31,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:31,650 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:31,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:31,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 22:12:31,665 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289541066]
[2020-08-21 22:12:31,667 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:31,668 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 22:12:31,669 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465779146]
[2020-08-21 22:12:31,674 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 22:12:31,675 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:31,689 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 22:12:31,690 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 22:12:31,692 INFO  L87              Difference]: Start difference. First operand 36 states. Second operand 4 states.
[2020-08-21 22:12:31,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:31,884 INFO  L93              Difference]: Finished difference Result 61 states and 73 transitions.
[2020-08-21 22:12:31,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-21 22:12:31,886 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2020-08-21 22:12:31,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:31,899 INFO  L225             Difference]: With dead ends: 61
[2020-08-21 22:12:31,899 INFO  L226             Difference]: Without dead ends: 34
[2020-08-21 22:12:31,903 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-21 22:12:31,923 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2020-08-21 22:12:31,960 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29.
[2020-08-21 22:12:31,961 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2020-08-21 22:12:31,965 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2020-08-21 22:12:31,967 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 17
[2020-08-21 22:12:31,967 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:31,968 INFO  L479      AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2020-08-21 22:12:31,969 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 22:12:31,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2020-08-21 22:12:31,970 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-08-21 22:12:31,970 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:31,970 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:31,971 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 22:12:31,971 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:31,971 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:31,971 INFO  L82        PathProgramCache]: Analyzing trace with hash 1646407191, now seen corresponding path program 1 times
[2020-08-21 22:12:31,972 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:31,972 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533993471]
[2020-08-21 22:12:31,972 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:32,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,069 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:32,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:32,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 22:12:32,138 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533993471]
[2020-08-21 22:12:32,138 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:32,139 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-21 22:12:32,139 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670925162]
[2020-08-21 22:12:32,141 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-21 22:12:32,141 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:32,141 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-21 22:12:32,142 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-08-21 22:12:32,142 INFO  L87              Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 7 states.
[2020-08-21 22:12:32,345 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:32,345 INFO  L93              Difference]: Finished difference Result 51 states and 57 transitions.
[2020-08-21 22:12:32,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-21 22:12:32,346 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 17
[2020-08-21 22:12:32,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:32,348 INFO  L225             Difference]: With dead ends: 51
[2020-08-21 22:12:32,348 INFO  L226             Difference]: Without dead ends: 35
[2020-08-21 22:12:32,349 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2020-08-21 22:12:32,350 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2020-08-21 22:12:32,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30.
[2020-08-21 22:12:32,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2020-08-21 22:12:32,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions.
[2020-08-21 22:12:32,358 INFO  L78                 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17
[2020-08-21 22:12:32,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:32,358 INFO  L479      AbstractCegarLoop]: Abstraction has 30 states and 33 transitions.
[2020-08-21 22:12:32,358 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-21 22:12:32,358 INFO  L276                IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions.
[2020-08-21 22:12:32,359 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-08-21 22:12:32,360 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:32,360 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:32,360 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 22:12:32,360 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:32,360 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:32,361 INFO  L82        PathProgramCache]: Analyzing trace with hash 1603407070, now seen corresponding path program 1 times
[2020-08-21 22:12:32,361 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:32,361 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238007464]
[2020-08-21 22:12:32,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:32,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,436 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:32,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,457 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:32,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 22:12:32,498 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238007464]
[2020-08-21 22:12:32,499 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:32,499 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-21 22:12:32,499 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63421316]
[2020-08-21 22:12:32,500 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-21 22:12:32,500 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:32,500 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-21 22:12:32,501 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-08-21 22:12:32,501 INFO  L87              Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 6 states.
[2020-08-21 22:12:32,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:32,639 INFO  L93              Difference]: Finished difference Result 56 states and 63 transitions.
[2020-08-21 22:12:32,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-08-21 22:12:32,640 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 22
[2020-08-21 22:12:32,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:32,641 INFO  L225             Difference]: With dead ends: 56
[2020-08-21 22:12:32,641 INFO  L226             Difference]: Without dead ends: 35
[2020-08-21 22:12:32,642 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-08-21 22:12:32,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2020-08-21 22:12:32,647 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33.
[2020-08-21 22:12:32,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2020-08-21 22:12:32,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions.
[2020-08-21 22:12:32,649 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 22
[2020-08-21 22:12:32,649 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:32,649 INFO  L479      AbstractCegarLoop]: Abstraction has 33 states and 36 transitions.
[2020-08-21 22:12:32,649 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-21 22:12:32,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions.
[2020-08-21 22:12:32,650 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-08-21 22:12:32,650 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:32,651 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:32,651 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 22:12:32,651 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:32,651 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:32,651 INFO  L82        PathProgramCache]: Analyzing trace with hash -1990495648, now seen corresponding path program 1 times
[2020-08-21 22:12:32,652 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:32,652 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200199940]
[2020-08-21 22:12:32,652 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:32,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,745 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:32,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,766 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:32,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:32,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 22:12:32,842 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200199940]
[2020-08-21 22:12:32,843 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 22:12:32,843 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-08-21 22:12:32,843 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190832251]
[2020-08-21 22:12:32,844 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 22:12:32,844 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:32,844 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 22:12:32,845 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 22:12:32,845 INFO  L87              Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states.
[2020-08-21 22:12:33,022 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:33,023 INFO  L93              Difference]: Finished difference Result 56 states and 62 transitions.
[2020-08-21 22:12:33,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-21 22:12:33,024 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 22
[2020-08-21 22:12:33,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:33,025 INFO  L225             Difference]: With dead ends: 56
[2020-08-21 22:12:33,025 INFO  L226             Difference]: Without dead ends: 40
[2020-08-21 22:12:33,026 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2020-08-21 22:12:33,027 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2020-08-21 22:12:33,033 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35.
[2020-08-21 22:12:33,033 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2020-08-21 22:12:33,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions.
[2020-08-21 22:12:33,034 INFO  L78                 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 22
[2020-08-21 22:12:33,035 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:33,035 INFO  L479      AbstractCegarLoop]: Abstraction has 35 states and 38 transitions.
[2020-08-21 22:12:33,035 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 22:12:33,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions.
[2020-08-21 22:12:33,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-08-21 22:12:33,036 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:33,037 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:33,037 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 22:12:33,037 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:33,038 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:33,038 INFO  L82        PathProgramCache]: Analyzing trace with hash 1511329333, now seen corresponding path program 1 times
[2020-08-21 22:12:33,038 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:33,039 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92943247]
[2020-08-21 22:12:33,039 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:33,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,130 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:33,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,156 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:33,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-08-21 22:12:33,192 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92943247]
[2020-08-21 22:12:33,192 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:33,192 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-21 22:12:33,192 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595543692]
[2020-08-21 22:12:33,194 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-21 22:12:33,194 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:33,194 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-21 22:12:33,194 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-08-21 22:12:33,195 INFO  L87              Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states.
[2020-08-21 22:12:33,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:33,369 INFO  L93              Difference]: Finished difference Result 43 states and 47 transitions.
[2020-08-21 22:12:33,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-08-21 22:12:33,371 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 27
[2020-08-21 22:12:33,371 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:33,372 INFO  L225             Difference]: With dead ends: 43
[2020-08-21 22:12:33,372 INFO  L226             Difference]: Without dead ends: 39
[2020-08-21 22:12:33,373 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-21 22:12:33,373 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2020-08-21 22:12:33,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36.
[2020-08-21 22:12:33,385 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-08-21 22:12:33,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions.
[2020-08-21 22:12:33,386 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 27
[2020-08-21 22:12:33,386 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:33,386 INFO  L479      AbstractCegarLoop]: Abstraction has 36 states and 39 transitions.
[2020-08-21 22:12:33,387 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-21 22:12:33,387 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2020-08-21 22:12:33,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-08-21 22:12:33,388 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:33,388 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:33,388 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 22:12:33,388 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:33,389 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:33,389 INFO  L82        PathProgramCache]: Analyzing trace with hash 1801861723, now seen corresponding path program 1 times
[2020-08-21 22:12:33,389 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:33,390 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186712756]
[2020-08-21 22:12:33,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:33,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,451 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:33,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,469 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:33,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,504 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-08-21 22:12:33,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-08-21 22:12:33,514 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186712756]
[2020-08-21 22:12:33,515 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 22:12:33,515 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-08-21 22:12:33,515 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190342667]
[2020-08-21 22:12:33,516 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 22:12:33,516 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:33,516 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 22:12:33,516 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2020-08-21 22:12:33,517 INFO  L87              Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 8 states.
[2020-08-21 22:12:33,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:33,671 INFO  L93              Difference]: Finished difference Result 44 states and 48 transitions.
[2020-08-21 22:12:33,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-08-21 22:12:33,672 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 35
[2020-08-21 22:12:33,672 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:33,673 INFO  L225             Difference]: With dead ends: 44
[2020-08-21 22:12:33,673 INFO  L226             Difference]: Without dead ends: 40
[2020-08-21 22:12:33,674 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2020-08-21 22:12:33,674 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2020-08-21 22:12:33,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39.
[2020-08-21 22:12:33,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2020-08-21 22:12:33,681 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions.
[2020-08-21 22:12:33,681 INFO  L78                 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 35
[2020-08-21 22:12:33,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:33,681 INFO  L479      AbstractCegarLoop]: Abstraction has 39 states and 43 transitions.
[2020-08-21 22:12:33,682 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 22:12:33,682 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions.
[2020-08-21 22:12:33,684 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-08-21 22:12:33,684 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:33,684 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:33,684 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-21 22:12:33,685 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:33,685 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:33,685 INFO  L82        PathProgramCache]: Analyzing trace with hash 1626595457, now seen corresponding path program 2 times
[2020-08-21 22:12:33,685 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:33,686 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211476875]
[2020-08-21 22:12:33,686 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:33,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:33,989 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:33,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:34,014 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:34,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:34,592 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-08-21 22:12:34,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:34,831 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47
[2020-08-21 22:12:35,034 WARN  L193               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58
[2020-08-21 22:12:35,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 22:12:35,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:35,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-08-21 22:12:35,228 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211476875]
[2020-08-21 22:12:35,228 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 22:12:35,228 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25
[2020-08-21 22:12:35,229 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367089945]
[2020-08-21 22:12:35,229 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 25 states
[2020-08-21 22:12:35,229 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:35,230 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2020-08-21 22:12:35,230 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600
[2020-08-21 22:12:35,230 INFO  L87              Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 25 states.
[2020-08-21 22:12:36,915 WARN  L193               SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73
[2020-08-21 22:12:37,246 WARN  L193               SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82
[2020-08-21 22:12:37,522 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79
[2020-08-21 22:12:37,676 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:37,676 INFO  L93              Difference]: Finished difference Result 71 states and 83 transitions.
[2020-08-21 22:12:37,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2020-08-21 22:12:37,678 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states. Word has length 43
[2020-08-21 22:12:37,678 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:37,680 INFO  L225             Difference]: With dead ends: 71
[2020-08-21 22:12:37,680 INFO  L226             Difference]: Without dead ends: 59
[2020-08-21 22:12:37,681 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406
[2020-08-21 22:12:37,682 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2020-08-21 22:12:37,691 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56.
[2020-08-21 22:12:37,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2020-08-21 22:12:37,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions.
[2020-08-21 22:12:37,693 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43
[2020-08-21 22:12:37,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:37,694 INFO  L479      AbstractCegarLoop]: Abstraction has 56 states and 66 transitions.
[2020-08-21 22:12:37,694 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 25 states.
[2020-08-21 22:12:37,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions.
[2020-08-21 22:12:37,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-08-21 22:12:37,696 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:37,696 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:37,696 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-08-21 22:12:37,696 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:37,696 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:37,697 INFO  L82        PathProgramCache]: Analyzing trace with hash -1988313469, now seen corresponding path program 1 times
[2020-08-21 22:12:37,697 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:37,697 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099903168]
[2020-08-21 22:12:37,697 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:37,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:37,752 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:37,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:37,766 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:37,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:37,787 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-08-21 22:12:37,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:37,791 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 22:12:37,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:37,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-08-21 22:12:37,835 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099903168]
[2020-08-21 22:12:37,836 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:37,836 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-08-21 22:12:37,836 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888927785]
[2020-08-21 22:12:37,837 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-21 22:12:37,837 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:37,837 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-21 22:12:37,837 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-08-21 22:12:37,838 INFO  L87              Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states.
[2020-08-21 22:12:38,278 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:38,278 INFO  L93              Difference]: Finished difference Result 72 states and 86 transitions.
[2020-08-21 22:12:38,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-08-21 22:12:38,279 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 43
[2020-08-21 22:12:38,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:38,280 INFO  L225             Difference]: With dead ends: 72
[2020-08-21 22:12:38,280 INFO  L226             Difference]: Without dead ends: 68
[2020-08-21 22:12:38,281 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380
[2020-08-21 22:12:38,282 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2020-08-21 22:12:38,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 56.
[2020-08-21 22:12:38,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2020-08-21 22:12:38,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions.
[2020-08-21 22:12:38,291 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43
[2020-08-21 22:12:38,291 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:38,292 INFO  L479      AbstractCegarLoop]: Abstraction has 56 states and 66 transitions.
[2020-08-21 22:12:38,292 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-21 22:12:38,292 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions.
[2020-08-21 22:12:38,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-08-21 22:12:38,293 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:38,293 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:38,294 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-08-21 22:12:38,294 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:38,294 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:38,294 INFO  L82        PathProgramCache]: Analyzing trace with hash 1394437068, now seen corresponding path program 3 times
[2020-08-21 22:12:38,295 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:38,295 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690160960]
[2020-08-21 22:12:38,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:38,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,334 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:38,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,350 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:38,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,423 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2020-08-21 22:12:38,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,429 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 22:12:38,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-08-21 22:12:38,436 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690160960]
[2020-08-21 22:12:38,436 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 22:12:38,436 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-08-21 22:12:38,437 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793618904]
[2020-08-21 22:12:38,437 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-21 22:12:38,437 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:38,438 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-21 22:12:38,438 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-08-21 22:12:38,438 INFO  L87              Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states.
[2020-08-21 22:12:38,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:38,656 INFO  L93              Difference]: Finished difference Result 73 states and 84 transitions.
[2020-08-21 22:12:38,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 22:12:38,657 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 48
[2020-08-21 22:12:38,657 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:38,658 INFO  L225             Difference]: With dead ends: 73
[2020-08-21 22:12:38,659 INFO  L226             Difference]: Without dead ends: 45
[2020-08-21 22:12:38,660 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2020-08-21 22:12:38,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2020-08-21 22:12:38,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2020-08-21 22:12:38,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 45 states.
[2020-08-21 22:12:38,667 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions.
[2020-08-21 22:12:38,667 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 48
[2020-08-21 22:12:38,667 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:38,668 INFO  L479      AbstractCegarLoop]: Abstraction has 45 states and 50 transitions.
[2020-08-21 22:12:38,668 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-21 22:12:38,668 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions.
[2020-08-21 22:12:38,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-21 22:12:38,669 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 22:12:38,669 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 22:12:38,669 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-08-21 22:12:38,669 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 22:12:38,669 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 22:12:38,670 INFO  L82        PathProgramCache]: Analyzing trace with hash 2096610473, now seen corresponding path program 2 times
[2020-08-21 22:12:38,670 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 22:12:38,670 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420308299]
[2020-08-21 22:12:38,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 22:12:38,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,731 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 22:12:38,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 22:12:38,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,777 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-08-21 22:12:38,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,783 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 22:12:38,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,794 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-21 22:12:38,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 22:12:38,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2020-08-21 22:12:38,803 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420308299]
[2020-08-21 22:12:38,803 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 22:12:38,803 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 22:12:38,804 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214697109]
[2020-08-21 22:12:38,804 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 22:12:38,804 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 22:12:38,805 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 22:12:38,805 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-08-21 22:12:38,806 INFO  L87              Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 9 states.
[2020-08-21 22:12:38,947 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 22:12:38,947 INFO  L93              Difference]: Finished difference Result 55 states and 59 transitions.
[2020-08-21 22:12:38,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-21 22:12:38,947 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 51
[2020-08-21 22:12:38,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 22:12:38,948 INFO  L225             Difference]: With dead ends: 55
[2020-08-21 22:12:38,948 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 22:12:38,949 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2020-08-21 22:12:38,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 22:12:38,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 22:12:38,949 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 22:12:38,950 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 22:12:38,950 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2020-08-21 22:12:38,950 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 22:12:38,950 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 22:12:38,950 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 22:12:38,950 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 22:12:38,950 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 22:12:38,951 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-08-21 22:12:38,953 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 22:12:39,307 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78
[2020-08-21 22:12:39,412 WARN  L193               SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43
[2020-08-21 22:12:39,460 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 22:12:39,461 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-08-21 22:12:39,461 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 22:12:39,461 INFO  L271        CegarLoopResult]: At program point  myexitENTRY(lines 561 563)  the Hoare annotation is:  true
[2020-08-21 22:12:39,461 INFO  L268        CegarLoopResult]: For program point  myexitEXIT(lines 561 563)  no Hoare annotation was computed.
[2020-08-21 22:12:39,461 INFO  L271        CegarLoopResult]: At program point  L562(line 562)  the Hoare annotation is:  true
[2020-08-21 22:12:39,461 INFO  L268        CegarLoopResult]: For program point  L578-1(lines 578 580)  no Hoare annotation was computed.
[2020-08-21 22:12:39,462 INFO  L264        CegarLoopResult]: At program point  dll_createENTRY(lines 574 591)  the Hoare annotation is:  (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))
[2020-08-21 22:12:39,462 INFO  L264        CegarLoopResult]: At program point  L576-2(lines 576 589)  the Hoare annotation is:  (let ((.cse8 (+ dll_create_~new_head~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) .cse8)) (.cse1 (= (select (select |#memory_$Pointer$.offset| dll_create_~head~0.base) 4) 0)) (.cse0 (= dll_create_~head~0.offset 0)) (.cse5 (= dll_create_~new_head~0.offset 0)) (.cse4 (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) 4)) (.cse6 (= (select (select |#memory_$Pointer$.offset| dll_create_~new_head~0.base) .cse8) 0)) (.cse3 (<= (+ dll_create_~len 2) |dll_create_#in~len|))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and .cse1 (= 0 (select (select |#memory_$Pointer$.offset| .cse2) 4)) .cse0 (= (select |old(#valid)| .cse2) 0) .cse3 (= (select (select |#memory_$Pointer$.base| .cse4) 4) 0) (= (select (select |#memory_$Pointer$.offset| .cse4) 4) 0) .cse5 (= (select (select |#memory_$Pointer$.base| .cse2) 4) 0) (= (select |old(#valid)| .cse4) 0) .cse6) (let ((.cse7 (+ dll_create_~len 1))) (and (<= |dll_create_#in~len| .cse7) (= (select |#valid| dll_create_~new_head~0.base) 1) (= .cse2 0) .cse1 .cse0 (= 0 (select |old(#valid)| dll_create_~new_head~0.base)) (= (select |old(#valid)| dll_create_~head~0.base) 0) .cse5 (= .cse4 0) (= (select |#valid| dll_create_~head~0.base) 1) .cse6 (<= .cse7 |dll_create_#in~len|))) (and (<= 3 |dll_create_#in~len|) .cse3))))
[2020-08-21 22:12:39,462 INFO  L268        CegarLoopResult]: For program point  L576-3(lines 576 589)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  dll_createFINAL(lines 574 591)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L271        CegarLoopResult]: At program point  L579(line 579)  the Hoare annotation is:  true
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  dll_createEXIT(lines 574 591)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  L584(lines 584 586)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  L584-2(lines 584 586)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  L578(lines 578 580)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  __bswap_32ENTRY(lines 63 67)  no Hoare annotation was computed.
[2020-08-21 22:12:39,463 INFO  L268        CegarLoopResult]: For program point  __bswap_32FINAL(lines 63 67)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  __bswap_32EXIT(lines 63 67)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  __bswap_64ENTRY(lines 68 72)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  __bswap_64FINAL(lines 68 72)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  __bswap_64EXIT(lines 68 72)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 22:12:39,464 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-08-21 22:12:39,464 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 22:12:39,464 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 22:12:39,465 INFO  L264        CegarLoopResult]: At program point  L609(lines 600 614)  the Hoare annotation is:  false
[2020-08-21 22:12:39,465 INFO  L268        CegarLoopResult]: For program point  L608(lines 608 610)  no Hoare annotation was computed.
[2020-08-21 22:12:39,465 INFO  L268        CegarLoopResult]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612)  no Hoare annotation was computed.
[2020-08-21 22:12:39,465 INFO  L264        CegarLoopResult]: At program point  L606(line 606)  the Hoare annotation is:  (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4))))
[2020-08-21 22:12:39,465 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 600 614)  the Hoare annotation is:  (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))
[2020-08-21 22:12:39,466 INFO  L268        CegarLoopResult]: For program point  L606-1(lines 605 607)  no Hoare annotation was computed.
[2020-08-21 22:12:39,466 INFO  L264        CegarLoopResult]: At program point  L603(line 603)  the Hoare annotation is:  (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1))
[2020-08-21 22:12:39,466 INFO  L264        CegarLoopResult]: At program point  L605-2(lines 605 607)  the Hoare annotation is:  (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (= .cse5 0) .cse2 .cse1 (<= (+ main_~i~0 1) 0) .cse3) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4))))
[2020-08-21 22:12:39,466 INFO  L268        CegarLoopResult]: For program point  L603-1(line 603)  no Hoare annotation was computed.
[2020-08-21 22:12:39,466 INFO  L268        CegarLoopResult]: For program point  L605-3(lines 605 607)  no Hoare annotation was computed.
[2020-08-21 22:12:39,466 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 614)  no Hoare annotation was computed.
[2020-08-21 22:12:39,466 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 600 614)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  node_createENTRY(lines 564 573)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  node_createFINAL(lines 564 573)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  L567(line 567)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  L566(lines 566 568)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  node_createEXIT(lines 564 573)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  L566-1(lines 566 568)  no Hoare annotation was computed.
[2020-08-21 22:12:39,467 INFO  L268        CegarLoopResult]: For program point  L594-2(lines 594 596)  no Hoare annotation was computed.
[2020-08-21 22:12:39,468 INFO  L268        CegarLoopResult]: For program point  dll_remove_firstFINAL(lines 592 599)  no Hoare annotation was computed.
[2020-08-21 22:12:39,468 INFO  L268        CegarLoopResult]: For program point  dll_remove_firstEXIT(lines 592 599)  no Hoare annotation was computed.
[2020-08-21 22:12:39,468 INFO  L264        CegarLoopResult]: At program point  dll_remove_firstENTRY(lines 592 599)  the Hoare annotation is:  (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))
[2020-08-21 22:12:39,468 INFO  L268        CegarLoopResult]: For program point  L594(lines 594 596)  no Hoare annotation was computed.
[2020-08-21 22:12:39,482 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,483 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,484 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,484 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,484 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,485 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,485 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,485 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,486 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,486 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,486 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,487 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,487 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,487 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,487 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,488 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,488 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,488 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,489 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,489 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,491 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,491 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,491 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,492 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,492 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,492 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,492 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,493 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,493 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,493 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,493 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,494 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,494 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,494 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,495 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,495 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,495 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,496 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,496 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,496 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,497 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,497 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,497 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,498 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,500 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,501 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,501 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,501 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,501 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,502 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,502 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,502 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,503 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,503 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,503 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,503 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,504 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,504 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,504 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,505 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,505 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,505 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,506 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,506 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,506 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,506 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,507 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,507 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,507 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,507 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,508 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,508 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,508 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,508 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,509 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,509 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,509 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,510 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,510 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,510 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,510 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,511 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,511 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,511 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,512 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,512 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,512 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,512 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,514 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,515 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,515 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,516 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,516 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,516 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,517 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,517 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,517 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,517 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,518 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,518 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,518 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,519 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,519 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,519 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,519 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,520 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,520 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,520 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,520 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,521 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,521 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,522 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,522 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,522 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,522 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,523 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,523 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,523 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,523 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,524 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,524 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,524 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,524 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,524 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,525 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,525 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,526 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,526 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,526 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,527 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,527 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,527 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,527 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,528 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,528 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,528 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,528 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,529 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,529 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,529 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,529 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,530 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,530 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,530 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,530 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,531 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,531 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,531 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,531 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,532 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,532 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,532 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,532 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,533 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,533 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,533 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,533 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,533 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,534 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,534 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,536 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 10:12:39 BoogieIcfgContainer
[2020-08-21 22:12:39,536 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 22:12:39,538 INFO  L168              Benchmark]: Toolchain (without parser) took 9662.92 ms. Allocated memory was 145.8 MB in the beginning and 322.4 MB in the end (delta: 176.7 MB). Free memory was 100.2 MB in the beginning and 240.7 MB in the end (delta: -140.5 MB). Peak memory consumption was 189.5 MB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,539 INFO  L168              Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,540 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 706.73 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 168.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,544 INFO  L168              Benchmark]: Boogie Preprocessor took 65.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,544 INFO  L168              Benchmark]: RCFGBuilder took 675.18 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 118.7 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,545 INFO  L168              Benchmark]: TraceAbstraction took 8208.39 ms. Allocated memory was 202.4 MB in the beginning and 322.4 MB in the end (delta: 120.1 MB). Free memory was 118.7 MB in the beginning and 240.7 MB in the end (delta: -122.0 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB.
[2020-08-21 22:12:39,549 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 706.73 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 168.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 65.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 675.18 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 118.7 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 8208.39 ms. Allocated memory was 202.4 MB in the beginning and 322.4 MB in the end (delta: 120.1 MB). Free memory was 118.7 MB in the beginning and 240.7 MB in the end (delta: -122.0 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #length
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #length
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_int
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_int
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #length
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #length
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_int
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_int
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
  - GenericResult: Unfinished Backtranslation
    unknown boogie variable #memory_$Pointer$
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 612]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 562]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 600]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 576]: Loop Invariant
[2020-08-21 22:12:39,562 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,563 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,563 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,563 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,563 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,564 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,564 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,564 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,564 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,565 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,565 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,565 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,565 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,566 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,566 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,566 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,566 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,567 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,567 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,567 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,567 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,568 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,568 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,568 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,568 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,568 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,569 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,569 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,569 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,569 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,570 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,570 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,570 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,570 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,571 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,571 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,571 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,571 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,571 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,572 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,572 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,572 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,572 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,573 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,573 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,574 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,574 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,574 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,574 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,575 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,575 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,575 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,575 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,576 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,576 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,576 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,576 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,577 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,577 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,577 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,577 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,578 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,578 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,578 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,578 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,579 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,579 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,579 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #length
[2020-08-21 22:12:39,579 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,579 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_int
[2020-08-21 22:12:39,580 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,580 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,580 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,580 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,580 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,581 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,581 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,581 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,581 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,582 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,583 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,583 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,583 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
    Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head) || ((((((((((#memory_$Pointer$[head][4] == 0 && 0 == #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4]) && head == 0) && \old(\valid)[#memory_$Pointer$[new_head][new_head + 4]] == 0) && len + 2 <= \old(len)) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && new_head == 0) && #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4] == 0) && \old(\valid)[#memory_$Pointer$[head][4]] == 0) && #memory_$Pointer$[new_head][new_head + 4] == 0)) || (((((((((((\old(len) <= len + 1 && \valid[new_head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && #memory_$Pointer$[head][4] == 0) && head == 0) && 0 == \old(\valid)[new_head]) && \old(\valid)[head] == 0) && new_head == 0) && #memory_$Pointer$[head][4] == 0) && \valid[head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && len + 1 <= \old(len))) || (3 <= \old(len) && len + 2 <= \old(len))
  - InvariantResult [Line: 605]: Loop Invariant
[2020-08-21 22:12:39,584 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,584 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,584 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,585 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,585 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,585 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,585 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,586 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,586 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,586 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,586 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,586 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,587 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,587 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,587 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,587 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,587 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,588 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,588 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,588 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,588 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,589 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,589 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,589 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,589 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,589 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,590 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,591 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,591 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,591 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,591 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,592 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,592 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,592 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,592 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,592 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,593 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,593 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,593 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,593 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,594 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,594 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,594 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,594 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,594 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,595 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,595 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,595 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2020-08-21 22:12:39,595 WARN  L417   cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2020-08-21 22:12:39,595 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,596 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,596 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,596 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,596 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,596 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,597 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,597 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,597 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,597 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,597 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,598 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
[2020-08-21 22:12:39,599 WARN  L1295  BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$
    Derived loop invariant: (((((((((#memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0 && len <= 2) && 2 <= len) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && 1 <= i) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[s][s] == 0) && i <= 1) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) || ((((#memory_$Pointer$[s][s] == 0 && 2 <= len) && len <= 2) && i + 1 <= 0) && #memory_$Pointer$[s][s] == 0)) || ((((((i <= 0 && len <= 2) && 2 <= len) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 9 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 187 SDslu, 968 SDs, 0 SdLazy, 1545 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 23 PreInvPairs, 32 NumberOfFragments, 531 HoareAnnotationTreeSize, 23 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 90367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 78/113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...