/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/alt_test.i


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


This is Ultimate 0.1.25-72570d3
[2020-08-22 22:18:13,591 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-22 22:18:13,594 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 22:18:13,620 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 22:18:13,620 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 22:18:13,622 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 22:18:13,624 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 22:18:13,626 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 22:18:13,628 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 22:18:13,629 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 22:18:13,630 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 22:18:13,632 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 22:18:13,632 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 22:18:13,633 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 22:18:13,635 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 22:18:13,636 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 22:18:13,637 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 22:18:13,638 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 22:18:13,640 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 22:18:13,643 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 22:18:13,644 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 22:18:13,645 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 22:18:13,646 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 22:18:13,647 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 22:18:13,649 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 22:18:13,650 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 22:18:13,650 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 22:18:13,651 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 22:18:13,651 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 22:18:13,652 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 22:18:13,652 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 22:18:13,653 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 22:18:13,653 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 22:18:13,654 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 22:18:13,655 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 22:18:13,655 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 22:18:13,656 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 22:18:13,656 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 22:18:13,656 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 22:18:13,657 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 22:18:13,658 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 22:18:13,659 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 22:18:13,668 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-22 22:18:13,668 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 22:18:13,670 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 22:18:13,670 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-22 22:18:13,670 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-22 22:18:13,670 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-22 22:18:13,670 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-22 22:18:13,671 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-22 22:18:13,672 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-22 22:18:13,672 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 22:18:13,672 INFO  L138        SettingsManager]:  * Size of a code block=SingleStatement
[2020-08-22 22:18:13,672 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-22 22:18:13,672 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-22 22:18:13,673 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 22:18:13,673 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 22:18:13,675 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 22:18:13,675 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 22:18:13,675 INFO  L138        SettingsManager]:  * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-08-22 22:18:14,046 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 22:18:14,067 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 22:18:14,072 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 22:18:14,074 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-22 22:18:14,075 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-22 22:18:14,076 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test.i
[2020-08-22 22:18:14,156 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f286097ee/e5f34c175b78456ab934fb9695e02627/FLAGff305cf9d
[2020-08-22 22:18:14,811 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-22 22:18:14,812 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i
[2020-08-22 22:18:14,837 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f286097ee/e5f34c175b78456ab934fb9695e02627/FLAGff305cf9d
[2020-08-22 22:18:15,013 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f286097ee/e5f34c175b78456ab934fb9695e02627
[2020-08-22 22:18:15,023 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 22:18:15,025 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 22:18:15,030 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 22:18:15,030 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 22:18:15,034 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 22:18:15,035 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:15" (1/1) ...
[2020-08-22 22:18:15,040 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c173ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:15, skipping insertion in model container
[2020-08-22 22:18:15,040 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:18:15" (1/1) ...
[2020-08-22 22:18:15,052 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-22 22:18:15,103 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-22 22:18:15,740 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-22 22:18:15,754 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-22 22:18:15,856 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-22 22:18:16,025 INFO  L208         MainTranslator]: Completed translation
[2020-08-22 22:18:16,026 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16 WrapperNode
[2020-08-22 22:18:16,027 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 22:18:16,028 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 22:18:16,028 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 22:18:16,028 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 22:18:16,048 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,048 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,097 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,098 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,139 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,143 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,157 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
[2020-08-22 22:18:16,178 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 22:18:16,179 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 22:18:16,179 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 22:18:16,179 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-22 22:18:16,182 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 22:18:16,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 22:18:16,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 22:18:16,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure __blast_assert
[2020-08-22 22:18:16,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 22:18:16,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_malloc
[2020-08-22 22:18:16,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_free
[2020-08-22 22:18:16,282 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 22:18:16,282 INFO  L130     BoogieDeclarations]: Found specification of procedure __underflow
[2020-08-22 22:18:16,282 INFO  L130     BoogieDeclarations]: Found specification of procedure __uflow
[2020-08-22 22:18:16,282 INFO  L130     BoogieDeclarations]: Found specification of procedure __overflow
[2020-08-22 22:18:16,282 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_getc
[2020-08-22 22:18:16,283 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_putc
[2020-08-22 22:18:16,283 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_feof
[2020-08-22 22:18:16,283 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ferror
[2020-08-22 22:18:16,283 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2020-08-22 22:18:16,283 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2020-08-22 22:18:16,284 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2020-08-22 22:18:16,284 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2020-08-22 22:18:16,284 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2020-08-22 22:18:16,285 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2020-08-22 22:18:16,285 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_padn
[2020-08-22 22:18:16,285 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2020-08-22 22:18:16,285 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2020-08-22 22:18:16,285 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure remove
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure rename
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure renameat
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpfile
[2020-08-22 22:18:16,286 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam_r
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure tempnam
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure fclose
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2020-08-22 22:18:16,287 INFO  L130     BoogieDeclarations]: Found specification of procedure fopen
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure freopen
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure fdopen
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure fmemopen
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure open_memstream
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuf
[2020-08-22 22:18:16,288 INFO  L130     BoogieDeclarations]: Found specification of procedure setvbuf
[2020-08-22 22:18:16,289 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuffer
[2020-08-22 22:18:16,289 INFO  L130     BoogieDeclarations]: Found specification of procedure setlinebuf
[2020-08-22 22:18:16,289 INFO  L130     BoogieDeclarations]: Found specification of procedure fprintf
[2020-08-22 22:18:16,289 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-22 22:18:16,289 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure vfprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure vprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure vsprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure vsnprintf
[2020-08-22 22:18:16,290 INFO  L130     BoogieDeclarations]: Found specification of procedure vdprintf
[2020-08-22 22:18:16,291 INFO  L130     BoogieDeclarations]: Found specification of procedure dprintf
[2020-08-22 22:18:16,291 INFO  L130     BoogieDeclarations]: Found specification of procedure fscanf
[2020-08-22 22:18:16,291 INFO  L130     BoogieDeclarations]: Found specification of procedure scanf
[2020-08-22 22:18:16,291 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2020-08-22 22:18:16,291 INFO  L130     BoogieDeclarations]: Found specification of procedure vfscanf
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure vscanf
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure vsscanf
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure getc_unlocked
[2020-08-22 22:18:16,292 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure putc
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2020-08-22 22:18:16,293 INFO  L130     BoogieDeclarations]: Found specification of procedure putc_unlocked
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure getw
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure putw
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure gets
[2020-08-22 22:18:16,294 INFO  L130     BoogieDeclarations]: Found specification of procedure __getdelim
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure getdelim
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure getline
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure fputs
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure ungetc
[2020-08-22 22:18:16,295 INFO  L130     BoogieDeclarations]: Found specification of procedure fread
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure fread_unlocked
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure fseek
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure ftell
[2020-08-22 22:18:16,296 INFO  L130     BoogieDeclarations]: Found specification of procedure rewind
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure fseeko
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure ftello
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetpos
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure fsetpos
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure feof
[2020-08-22 22:18:16,297 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure feof_unlocked
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure perror
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno
[2020-08-22 22:18:16,298 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure popen
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure pclose
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure ctermid
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure flockfile
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure ftrylockfile
[2020-08-22 22:18:16,299 INFO  L130     BoogieDeclarations]: Found specification of procedure funlockfile
[2020-08-22 22:18:16,300 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-08-22 22:18:16,300 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-08-22 22:18:16,300 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-08-22 22:18:16,300 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-08-22 22:18:16,300 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-08-22 22:18:16,301 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-08-22 22:18:16,302 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-08-22 22:18:16,302 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-08-22 22:18:16,302 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-08-22 22:18:16,302 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-08-22 22:18:16,302 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-08-22 22:18:16,303 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-08-22 22:18:16,304 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-08-22 22:18:16,304 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-08-22 22:18:16,304 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-08-22 22:18:16,304 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-08-22 22:18:16,304 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-08-22 22:18:16,305 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-08-22 22:18:16,305 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-08-22 22:18:16,305 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-08-22 22:18:16,305 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-08-22 22:18:16,305 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-08-22 22:18:16,306 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-08-22 22:18:16,306 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-08-22 22:18:16,306 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-08-22 22:18:16,306 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-08-22 22:18:16,306 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-08-22 22:18:16,307 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-08-22 22:18:16,307 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-08-22 22:18:16,307 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-08-22 22:18:16,307 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-08-22 22:18:16,307 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-08-22 22:18:16,308 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-08-22 22:18:16,308 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-08-22 22:18:16,308 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-08-22 22:18:16,308 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-08-22 22:18:16,308 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-08-22 22:18:16,309 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-08-22 22:18:16,310 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-08-22 22:18:16,311 INFO  L130     BoogieDeclarations]: Found specification of procedure __secure_getenv
[2020-08-22 22:18:16,312 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-08-22 22:18:16,312 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-08-22 22:18:16,312 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-08-22 22:18:16,312 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-08-22 22:18:16,312 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-08-22 22:18:16,313 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-08-22 22:18:16,314 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-08-22 22:18:16,315 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-08-22 22:18:16,316 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-08-22 22:18:16,316 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-08-22 22:18:16,316 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-08-22 22:18:16,316 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-08-22 22:18:16,316 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-08-22 22:18:16,317 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_openpt
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure __blast_assert
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure l_malloc
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure l_free
[2020-08-22 22:18:16,318 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-22 22:18:16,319 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 22:18:16,319 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 22:18:16,319 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 22:18:16,319 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 22:18:16,948 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 22:18:16,948 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-22 22:18:16,954 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:18:16 BoogieIcfgContainer
[2020-08-22 22:18:16,955 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 22:18:16,957 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 22:18:16,958 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 22:18:16,962 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-22 22:18:16,963 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:18:15" (1/3) ...
[2020-08-22 22:18:16,964 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291da794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:18:16, skipping insertion in model container
[2020-08-22 22:18:16,964 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:18:16" (2/3) ...
[2020-08-22 22:18:16,965 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291da794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:18:16, skipping insertion in model container
[2020-08-22 22:18:16,965 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:18:16" (3/3) ...
[2020-08-22 22:18:16,968 INFO  L109   eAbstractionObserver]: Analyzing ICFG alt_test.i
[2020-08-22 22:18:16,983 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 22:18:16,995 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 22:18:17,034 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 22:18:17,073 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-22 22:18:17,074 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-22 22:18:17,074 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 22:18:17,074 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 22:18:17,074 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 22:18:17,074 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-22 22:18:17,074 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 22:18:17,075 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 22:18:17,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states.
[2020-08-22 22:18:17,110 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-08-22 22:18:17,110 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-22 22:18:17,112 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 22:18:17,112 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 22:18:17,120 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 22:18:17,121 INFO  L82        PathProgramCache]: Analyzing trace with hash -464537204, now seen corresponding path program 1 times
[2020-08-22 22:18:17,133 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 22:18:17,134 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748000043]
[2020-08-22 22:18:17,134 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 22:18:17,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:17,399 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 22:18:17,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:17,431 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2020-08-22 22:18:17,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:17,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 22:18:17,525 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748000043]
[2020-08-22 22:18:17,528 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 22:18:17,529 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-22 22:18:17,531 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098492678]
[2020-08-22 22:18:17,537 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-22 22:18:17,538 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 22:18:17,549 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-22 22:18:17,550 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-08-22 22:18:17,553 INFO  L87              Difference]: Start difference. First operand 40 states. Second operand 6 states.
[2020-08-22 22:18:17,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 22:18:17,777 INFO  L93              Difference]: Finished difference Result 62 states and 70 transitions.
[2020-08-22 22:18:17,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-08-22 22:18:17,780 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 26
[2020-08-22 22:18:17,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 22:18:17,794 INFO  L225             Difference]: With dead ends: 62
[2020-08-22 22:18:17,795 INFO  L226             Difference]: Without dead ends: 33
[2020-08-22 22:18:17,800 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-22 22:18:17,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2020-08-22 22:18:17,864 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2020-08-22 22:18:17,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2020-08-22 22:18:17,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions.
[2020-08-22 22:18:17,884 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 26
[2020-08-22 22:18:17,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-22 22:18:17,885 INFO  L479      AbstractCegarLoop]: Abstraction has 33 states and 34 transitions.
[2020-08-22 22:18:17,885 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-22 22:18:17,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions.
[2020-08-22 22:18:17,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-08-22 22:18:17,892 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-22 22:18:17,892 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 22:18:17,892 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 22:18:17,893 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 22:18:17,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 22:18:17,893 INFO  L82        PathProgramCache]: Analyzing trace with hash -1961589014, now seen corresponding path program 1 times
[2020-08-22 22:18:17,894 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 22:18:17,895 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103497136]
[2020-08-22 22:18:17,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 22:18:17,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,034 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 22:18:18,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,061 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2020-08-22 22:18:18,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 22:18:18,087 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103497136]
[2020-08-22 22:18:18,087 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 22:18:18,087 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-22 22:18:18,088 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935222598]
[2020-08-22 22:18:18,090 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-22 22:18:18,091 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 22:18:18,091 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-22 22:18:18,091 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-08-22 22:18:18,092 INFO  L87              Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states.
[2020-08-22 22:18:18,253 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 22:18:18,253 INFO  L93              Difference]: Finished difference Result 40 states and 42 transitions.
[2020-08-22 22:18:18,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-08-22 22:18:18,254 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 27
[2020-08-22 22:18:18,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 22:18:18,256 INFO  L225             Difference]: With dead ends: 40
[2020-08-22 22:18:18,256 INFO  L226             Difference]: Without dead ends: 36
[2020-08-22 22:18:18,258 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-08-22 22:18:18,259 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2020-08-22 22:18:18,269 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2020-08-22 22:18:18,270 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-08-22 22:18:18,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions.
[2020-08-22 22:18:18,272 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 27
[2020-08-22 22:18:18,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-22 22:18:18,272 INFO  L479      AbstractCegarLoop]: Abstraction has 36 states and 37 transitions.
[2020-08-22 22:18:18,272 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-22 22:18:18,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions.
[2020-08-22 22:18:18,274 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2020-08-22 22:18:18,274 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-22 22:18:18,274 INFO  L422         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 22:18:18,275 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 22:18:18,275 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 22:18:18,275 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 22:18:18,276 INFO  L82        PathProgramCache]: Analyzing trace with hash -1381039993, now seen corresponding path program 1 times
[2020-08-22 22:18:18,276 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 22:18:18,276 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466677476]
[2020-08-22 22:18:18,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 22:18:18,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,355 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 22:18:18,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,383 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2020-08-22 22:18:18,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,534 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2020-08-22 22:18:18,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 22:18:18,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 22:18:18,584 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466677476]
[2020-08-22 22:18:18,584 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 22:18:18,585 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2020-08-22 22:18:18,585 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318412429]
[2020-08-22 22:18:18,586 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-08-22 22:18:18,586 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 22:18:18,587 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-08-22 22:18:18,587 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2020-08-22 22:18:18,588 INFO  L87              Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 12 states.
[2020-08-22 22:18:19,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 22:18:19,045 INFO  L93              Difference]: Finished difference Result 51 states and 51 transitions.
[2020-08-22 22:18:19,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-08-22 22:18:19,046 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 34
[2020-08-22 22:18:19,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 22:18:19,047 INFO  L225             Difference]: With dead ends: 51
[2020-08-22 22:18:19,047 INFO  L226             Difference]: Without dead ends: 36
[2020-08-22 22:18:19,048 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342
[2020-08-22 22:18:19,049 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2020-08-22 22:18:19,057 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2020-08-22 22:18:19,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-08-22 22:18:19,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions.
[2020-08-22 22:18:19,058 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34
[2020-08-22 22:18:19,059 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-22 22:18:19,059 INFO  L479      AbstractCegarLoop]: Abstraction has 36 states and 36 transitions.
[2020-08-22 22:18:19,059 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-08-22 22:18:19,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions.
[2020-08-22 22:18:19,060 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-08-22 22:18:19,060 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-22 22:18:19,061 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 22:18:19,061 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 22:18:19,061 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 22:18:19,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 22:18:19,062 INFO  L82        PathProgramCache]: Analyzing trace with hash -1342711683, now seen corresponding path program 1 times
[2020-08-22 22:18:19,062 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 22:18:19,062 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003421439]
[2020-08-22 22:18:19,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 22:18:19,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 22:18:19,112 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 22:18:19,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 22:18:19,130 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 22:18:19,170 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 22:18:19,170 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 22:18:19,171 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 22:18:19,221 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:18:19 BoogieIcfgContainer
[2020-08-22 22:18:19,222 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 22:18:19,225 INFO  L168              Benchmark]: Toolchain (without parser) took 4199.23 ms. Allocated memory was 138.4 MB in the beginning and 252.2 MB in the end (delta: 113.8 MB). Free memory was 101.2 MB in the beginning and 199.1 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,227 INFO  L168              Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,228 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 997.58 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 153.3 MB in the end (delta: -52.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,229 INFO  L168              Benchmark]: Boogie Preprocessor took 150.32 ms. Allocated memory is still 202.9 MB. Free memory was 153.3 MB in the beginning and 149.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,230 INFO  L168              Benchmark]: RCFGBuilder took 776.62 ms. Allocated memory is still 202.9 MB. Free memory was 149.8 MB in the beginning and 90.3 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,231 INFO  L168              Benchmark]: TraceAbstraction took 2264.77 ms. Allocated memory was 202.9 MB in the beginning and 252.2 MB in the end (delta: 49.3 MB). Free memory was 90.3 MB in the beginning and 199.1 MB in the end (delta: -108.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-22 22:18:19,235 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.41 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 997.58 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 153.3 MB in the end (delta: -52.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 150.32 ms. Allocated memory is still 202.9 MB. Free memory was 153.3 MB in the beginning and 149.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 776.62 ms. Allocated memory is still 202.9 MB. Free memory was 149.8 MB in the beginning and 90.3 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 2264.77 ms. Allocated memory was 202.9 MB in the beginning and 252.2 MB in the end (delta: 49.3 MB). Free memory was 90.3 MB in the beginning and 199.1 MB in the end (delta: -108.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L1606]              int globalState = 0;
         VAL         [\old(globalState)=8, globalState=0]
[L1612]  CALL, EXPR  l_malloc(sizeof(int))
         VAL         [\old(globalState)=0, \old(size)=4, globalState=0]
[L1619]              void *retVal = malloc(size);
         VAL         [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={-1:0}, retVal={-1:0}, size=4]
[L1620]  COND TRUE   retVal != ((void *)0)
         VAL         [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={-1:0}, retVal={-1:0}, size=4]
[L1621]              globalState=1
         VAL         [\old(globalState)=0, \old(size)=4, globalState=1, malloc(size)={-1:0}, retVal={-1:0}, size=4]
[L1622]              return retVal;
         VAL         [\old(globalState)=0, \old(size)=4, \result={-1:0}, globalState=1, malloc(size)={-1:0}, retVal={-1:0}, size=4]
[L1612]  RET, EXPR   l_malloc(sizeof(int))
         VAL         [\old(argc)=6, \old(globalState)=0, argc=6, argv={10:7}, argv={10:7}, globalState=1, l_malloc(sizeof(int))={-1:0}]
[L1612]              int *a = (int*) l_malloc(sizeof(int));
         VAL         [\old(argc)=6, \old(globalState)=0, a={-1:0}, argc=6, argv={10:7}, argv={10:7}, globalState=1, l_malloc(sizeof(int))={-1:0}]
[L1613]  CALL        l_free(a)
         VAL         [\old(globalState)=1, globalState=1, ptr={-1:0}]
[L1629]  COND TRUE   ptr!=((void *)0)
         VAL         [\old(globalState)=1, globalState=1, ptr={-1:0}, ptr={-1:0}]
[L1629]              (globalState == 1) ? (0) : __blast_assert ()
         VAL         [\old(globalState)=1, globalState=1, ptr={-1:0}, ptr={-1:0}]
[L1630]              globalState = 0
         VAL         [\old(globalState)=1, globalState=0, ptr={-1:0}, ptr={-1:0}]
[L1613]  RET         l_free(a)
         VAL         [\old(argc)=6, \old(globalState)=0, a={-1:0}, argc=6, argv={10:7}, argv={10:7}, globalState=0]
[L1614]  CALL        l_free(a)
         VAL         [\old(globalState)=0, globalState=0, ptr={-1:0}]
[L1629]  COND TRUE   ptr!=((void *)0)
         VAL         [\old(globalState)=0, globalState=0, ptr={-1:0}, ptr={-1:0}]
[L1629]              (globalState == 1) ? (0) : __blast_assert ()
         VAL         [\old(globalState)=0, globalState=0, ptr={-1:0}, ptr={-1:0}]
[L1629]  CALL        __blast_assert ()
         VAL         [\old(globalState)=0, globalState=0]
[L1601]              __VERIFIER_error()
         VAL         [\old(globalState)=0, globalState=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 94 SDslu, 186 SDs, 0 SdLazy, 280 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 7181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...