/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/alt_test.i


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 22:44:02,016 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 22:44:02,019 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 22:44:02,059 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 22:44:02,060 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 22:44:02,069 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 22:44:02,071 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 22:44:02,075 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 22:44:02,077 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 22:44:02,080 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 22:44:02,081 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 22:44:02,082 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 22:44:02,082 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 22:44:02,085 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 22:44:02,088 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 22:44:02,090 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 22:44:02,092 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 22:44:02,093 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 22:44:02,094 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 22:44:02,102 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 22:44:02,104 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 22:44:02,105 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 22:44:02,106 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 22:44:02,107 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 22:44:02,119 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 22:44:02,119 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 22:44:02,119 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 22:44:02,125 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 22:44:02,126 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 22:44:02,127 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 22:44:02,127 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 22:44:02,127 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 22:44:02,132 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 22:44:02,133 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 22:44:02,134 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 22:44:02,134 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 22:44:02,136 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 22:44:02,136 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 22:44:02,136 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 22:44:02,137 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 22:44:02,138 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 22:44:02,138 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
[2020-08-18 22:44:02,175 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 22:44:02,175 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 22:44:02,177 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 22:44:02,177 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 22:44:02,178 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 22:44:02,178 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 22:44:02,178 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 22:44:02,178 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 22:44:02,179 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 22:44:02,179 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 22:44:02,180 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 22:44:02,180 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 22:44:02,180 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 22:44:02,180 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 22:44:02,181 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 22:44:02,181 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 22:44:02,181 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 22:44:02,181 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 22:44:02,181 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 22:44:02,181 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 22:44:02,182 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 22:44:02,182 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 22:44:02,182 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 22:44:02,182 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 22:44:02,182 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 22:44:02,183 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 22:44:02,183 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 22:44:02,183 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 22:44:02,183 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 22:44:02,183 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=5;interpolation-heuristic=WIDEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST;
[2020-08-18 22:44:02,489 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 22:44:02,501 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 22:44:02,505 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 22:44:02,506 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 22:44:02,507 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 22:44:02,507 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test.i
[2020-08-18 22:44:02,568 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e53a30e21/028ad7ea887241d1a9fe1071991c07d6/FLAG6b13a9754
[2020-08-18 22:44:03,151 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 22:44:03,152 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/alt_test.i
[2020-08-18 22:44:03,177 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e53a30e21/028ad7ea887241d1a9fe1071991c07d6/FLAG6b13a9754
[2020-08-18 22:44:03,352 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e53a30e21/028ad7ea887241d1a9fe1071991c07d6
[2020-08-18 22:44:03,360 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 22:44:03,362 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 22:44:03,363 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 22:44:03,363 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 22:44:03,367 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 22:44:03,368 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:44:03" (1/1) ...
[2020-08-18 22:44:03,371 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68096a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:03, skipping insertion in model container
[2020-08-18 22:44:03,371 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:44:03" (1/1) ...
[2020-08-18 22:44:03,379 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 22:44:03,425 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 22:44:03,936 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 22:44:03,948 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 22:44:03,989 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 22:44:04,137 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 22:44:04,139 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04 WrapperNode
[2020-08-18 22:44:04,139 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 22:44:04,140 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 22:44:04,140 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 22:44:04,141 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 22:44:04,155 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,157 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,194 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,194 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,226 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,227 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,240 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (1/1) ...
[2020-08-18 22:44:04,257 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 22:44:04,258 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 22:44:04,258 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 22:44:04,258 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 22:44:04,259 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (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
[2020-08-18 22:44:04,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 22:44:04,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 22:44:04,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure __blast_assert
[2020-08-18 22:44:04,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 22:44:04,335 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_malloc
[2020-08-18 22:44:04,335 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_free
[2020-08-18 22:44:04,335 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 22:44:04,335 INFO  L130     BoogieDeclarations]: Found specification of procedure __underflow
[2020-08-18 22:44:04,335 INFO  L130     BoogieDeclarations]: Found specification of procedure __uflow
[2020-08-18 22:44:04,335 INFO  L130     BoogieDeclarations]: Found specification of procedure __overflow
[2020-08-18 22:44:04,336 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_getc
[2020-08-18 22:44:04,336 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_putc
[2020-08-18 22:44:04,337 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_feof
[2020-08-18 22:44:04,337 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ferror
[2020-08-18 22:44:04,337 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2020-08-18 22:44:04,338 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_padn
[2020-08-18 22:44:04,339 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2020-08-18 22:44:04,339 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2020-08-18 22:44:04,339 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2020-08-18 22:44:04,340 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2020-08-18 22:44:04,340 INFO  L130     BoogieDeclarations]: Found specification of procedure remove
[2020-08-18 22:44:04,340 INFO  L130     BoogieDeclarations]: Found specification of procedure rename
[2020-08-18 22:44:04,340 INFO  L130     BoogieDeclarations]: Found specification of procedure renameat
[2020-08-18 22:44:04,340 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpfile
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam_r
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure tempnam
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure fclose
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2020-08-18 22:44:04,341 INFO  L130     BoogieDeclarations]: Found specification of procedure fopen
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure freopen
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure fdopen
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure fmemopen
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure open_memstream
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuf
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure setvbuf
[2020-08-18 22:44:04,342 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuffer
[2020-08-18 22:44:04,343 INFO  L130     BoogieDeclarations]: Found specification of procedure setlinebuf
[2020-08-18 22:44:04,343 INFO  L130     BoogieDeclarations]: Found specification of procedure fprintf
[2020-08-18 22:44:04,343 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 22:44:04,343 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2020-08-18 22:44:04,344 INFO  L130     BoogieDeclarations]: Found specification of procedure vfprintf
[2020-08-18 22:44:04,344 INFO  L130     BoogieDeclarations]: Found specification of procedure vprintf
[2020-08-18 22:44:04,344 INFO  L130     BoogieDeclarations]: Found specification of procedure vsprintf
[2020-08-18 22:44:04,344 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2020-08-18 22:44:04,345 INFO  L130     BoogieDeclarations]: Found specification of procedure vsnprintf
[2020-08-18 22:44:04,345 INFO  L130     BoogieDeclarations]: Found specification of procedure vdprintf
[2020-08-18 22:44:04,345 INFO  L130     BoogieDeclarations]: Found specification of procedure dprintf
[2020-08-18 22:44:04,345 INFO  L130     BoogieDeclarations]: Found specification of procedure fscanf
[2020-08-18 22:44:04,345 INFO  L130     BoogieDeclarations]: Found specification of procedure scanf
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure vfscanf
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure vscanf
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure vsscanf
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc
[2020-08-18 22:44:04,346 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure getc_unlocked
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure putc
[2020-08-18 22:44:04,347 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar
[2020-08-18 22:44:04,348 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2020-08-18 22:44:04,348 INFO  L130     BoogieDeclarations]: Found specification of procedure putc_unlocked
[2020-08-18 22:44:04,348 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2020-08-18 22:44:04,349 INFO  L130     BoogieDeclarations]: Found specification of procedure getw
[2020-08-18 22:44:04,349 INFO  L130     BoogieDeclarations]: Found specification of procedure putw
[2020-08-18 22:44:04,349 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2020-08-18 22:44:04,350 INFO  L130     BoogieDeclarations]: Found specification of procedure gets
[2020-08-18 22:44:04,350 INFO  L130     BoogieDeclarations]: Found specification of procedure __getdelim
[2020-08-18 22:44:04,350 INFO  L130     BoogieDeclarations]: Found specification of procedure getdelim
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure getline
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure fputs
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure ungetc
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure fread
[2020-08-18 22:44:04,351 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite
[2020-08-18 22:44:04,352 INFO  L130     BoogieDeclarations]: Found specification of procedure fread_unlocked
[2020-08-18 22:44:04,352 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2020-08-18 22:44:04,352 INFO  L130     BoogieDeclarations]: Found specification of procedure fseek
[2020-08-18 22:44:04,352 INFO  L130     BoogieDeclarations]: Found specification of procedure ftell
[2020-08-18 22:44:04,352 INFO  L130     BoogieDeclarations]: Found specification of procedure rewind
[2020-08-18 22:44:04,353 INFO  L130     BoogieDeclarations]: Found specification of procedure fseeko
[2020-08-18 22:44:04,353 INFO  L130     BoogieDeclarations]: Found specification of procedure ftello
[2020-08-18 22:44:04,353 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetpos
[2020-08-18 22:44:04,353 INFO  L130     BoogieDeclarations]: Found specification of procedure fsetpos
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure feof
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure feof_unlocked
[2020-08-18 22:44:04,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure perror
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure popen
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure pclose
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure ctermid
[2020-08-18 22:44:04,355 INFO  L130     BoogieDeclarations]: Found specification of procedure flockfile
[2020-08-18 22:44:04,356 INFO  L130     BoogieDeclarations]: Found specification of procedure ftrylockfile
[2020-08-18 22:44:04,356 INFO  L130     BoogieDeclarations]: Found specification of procedure funlockfile
[2020-08-18 22:44:04,356 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-08-18 22:44:04,356 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-08-18 22:44:04,356 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-08-18 22:44:04,357 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-08-18 22:44:04,358 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-08-18 22:44:04,359 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-08-18 22:44:04,360 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-08-18 22:44:04,360 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-08-18 22:44:04,360 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-08-18 22:44:04,360 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-08-18 22:44:04,361 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-08-18 22:44:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-08-18 22:44:04,363 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-08-18 22:44:04,364 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-08-18 22:44:04,365 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-08-18 22:44:04,365 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 22:44:04,365 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-08-18 22:44:04,365 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-08-18 22:44:04,365 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-08-18 22:44:04,366 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure __secure_getenv
[2020-08-18 22:44:04,367 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-08-18 22:44:04,368 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-08-18 22:44:04,369 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-08-18 22:44:04,370 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-08-18 22:44:04,371 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-08-18 22:44:04,372 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_openpt
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure __blast_assert
[2020-08-18 22:44:04,373 INFO  L130     BoogieDeclarations]: Found specification of procedure l_malloc
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure l_free
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 22:44:04,374 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 22:44:04,975 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 22:44:04,975 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-18 22:44:04,978 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:44:04 BoogieIcfgContainer
[2020-08-18 22:44:04,979 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 22:44:04,980 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 22:44:04,980 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 22:44:04,983 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 22:44:04,983 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:44:03" (1/3) ...
[2020-08-18 22:44:04,984 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd9c17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:44:04, skipping insertion in model container
[2020-08-18 22:44:04,984 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:44:04" (2/3) ...
[2020-08-18 22:44:04,985 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd9c17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:44:04, skipping insertion in model container
[2020-08-18 22:44:04,985 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:44:04" (3/3) ...
[2020-08-18 22:44:04,987 INFO  L109   eAbstractionObserver]: Analyzing ICFG alt_test.i
[2020-08-18 22:44:04,997 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 22:44:05,004 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 22:44:05,018 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 22:44:05,042 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 22:44:05,042 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 22:44:05,042 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 22:44:05,042 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 22:44:05,043 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 22:44:05,043 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 22:44:05,043 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 22:44:05,043 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 22:44:05,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states.
[2020-08-18 22:44:05,066 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-08-18 22:44:05,066 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 22:44:05,067 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:44:05,068 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:44:05,072 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:44:05,073 INFO  L82        PathProgramCache]: Analyzing trace with hash 1074821315, now seen corresponding path program 1 times
[2020-08-18 22:44:05,080 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:44:05,081 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602076607]
[2020-08-18 22:44:05,081 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:44:05,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,277 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:44:05,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,315 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 22:44:05,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:44:05,344 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602076607]
[2020-08-18 22:44:05,346 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:44:05,346 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-18 22:44:05,347 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68873687]
[2020-08-18 22:44:05,352 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-18 22:44:05,353 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:44:05,368 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-18 22:44:05,369 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-08-18 22:44:05,371 INFO  L87              Difference]: Start difference. First operand 31 states. Second operand 5 states.
[2020-08-18 22:44:05,494 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:44:05,495 INFO  L93              Difference]: Finished difference Result 51 states and 59 transitions.
[2020-08-18 22:44:05,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-18 22:44:05,497 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2020-08-18 22:44:05,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:44:05,506 INFO  L225             Difference]: With dead ends: 51
[2020-08-18 22:44:05,506 INFO  L226             Difference]: Without dead ends: 24
[2020-08-18 22:44:05,510 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-08-18 22:44:05,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2020-08-18 22:44:05,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2020-08-18 22:44:05,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2020-08-18 22:44:05,552 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2020-08-18 22:44:05,554 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19
[2020-08-18 22:44:05,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:44:05,554 INFO  L479      AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2020-08-18 22:44:05,555 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-18 22:44:05,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2020-08-18 22:44:05,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-08-18 22:44:05,556 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 22:44:05,556 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:44:05,556 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 22:44:05,556 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:44:05,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:44:05,557 INFO  L82        PathProgramCache]: Analyzing trace with hash 373756737, now seen corresponding path program 1 times
[2020-08-18 22:44:05,557 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:44:05,558 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278093829]
[2020-08-18 22:44:05,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:44:05,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,656 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:44:05,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 22:44:05,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:44:05,698 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278093829]
[2020-08-18 22:44:05,698 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:44:05,698 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-18 22:44:05,699 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153899415]
[2020-08-18 22:44:05,700 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-18 22:44:05,700 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:44:05,701 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-18 22:44:05,701 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-08-18 22:44:05,701 INFO  L87              Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 5 states.
[2020-08-18 22:44:05,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:44:05,792 INFO  L93              Difference]: Finished difference Result 31 states and 33 transitions.
[2020-08-18 22:44:05,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 22:44:05,793 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2020-08-18 22:44:05,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:44:05,794 INFO  L225             Difference]: With dead ends: 31
[2020-08-18 22:44:05,794 INFO  L226             Difference]: Without dead ends: 27
[2020-08-18 22:44:05,795 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
[2020-08-18 22:44:05,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2020-08-18 22:44:05,802 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2020-08-18 22:44:05,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 27 states.
[2020-08-18 22:44:05,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions.
[2020-08-18 22:44:05,803 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 19
[2020-08-18 22:44:05,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:44:05,804 INFO  L479      AbstractCegarLoop]: Abstraction has 27 states and 28 transitions.
[2020-08-18 22:44:05,804 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-18 22:44:05,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions.
[2020-08-18 22:44:05,805 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-08-18 22:44:05,805 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 22:44:05,805 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]
[2020-08-18 22:44:05,806 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 22:44:05,806 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:44:05,806 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:44:05,806 INFO  L82        PathProgramCache]: Analyzing trace with hash -568191789, now seen corresponding path program 1 times
[2020-08-18 22:44:05,806 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:44:05,807 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314641240]
[2020-08-18 22:44:05,807 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:44:05,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,876 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:44:05,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 22:44:05,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,963 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-08-18 22:44:05,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:44:05,998 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:44:05,998 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314641240]
[2020-08-18 22:44:05,999 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:44:05,999 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-08-18 22:44:05,999 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748895968]
[2020-08-18 22:44:06,000 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-08-18 22:44:06,000 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:44:06,001 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-08-18 22:44:06,001 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2020-08-18 22:44:06,001 INFO  L87              Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 11 states.
[2020-08-18 22:44:06,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:44:06,222 INFO  L93              Difference]: Finished difference Result 40 states and 40 transitions.
[2020-08-18 22:44:06,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-08-18 22:44:06,223 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 25
[2020-08-18 22:44:06,223 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:44:06,224 INFO  L225             Difference]: With dead ends: 40
[2020-08-18 22:44:06,224 INFO  L226             Difference]: Without dead ends: 27
[2020-08-18 22:44:06,225 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2020-08-18 22:44:06,226 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2020-08-18 22:44:06,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2020-08-18 22:44:06,231 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 27 states.
[2020-08-18 22:44:06,232 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions.
[2020-08-18 22:44:06,232 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25
[2020-08-18 22:44:06,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:44:06,233 INFO  L479      AbstractCegarLoop]: Abstraction has 27 states and 27 transitions.
[2020-08-18 22:44:06,233 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-08-18 22:44:06,233 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions.
[2020-08-18 22:44:06,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-08-18 22:44:06,234 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 22:44:06,234 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]
[2020-08-18 22:44:06,235 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 22:44:06,235 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:44:06,235 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:44:06,235 INFO  L82        PathProgramCache]: Analyzing trace with hash -1903526385, now seen corresponding path program 1 times
[2020-08-18 22:44:06,236 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:44:06,236 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028324941]
[2020-08-18 22:44:06,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:44:06,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-18 22:44:06,258 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-18 22:44:06,258 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-08-18 22:44:06,263 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 22:44:06,281 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:44:06 BoogieIcfgContainer
[2020-08-18 22:44:06,281 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 22:44:06,284 INFO  L168              Benchmark]: Toolchain (without parser) took 2921.21 ms. Allocated memory was 147.8 MB in the beginning and 235.4 MB in the end (delta: 87.6 MB). Free memory was 102.0 MB in the beginning and 91.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 98.2 MB. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,285 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,286 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 776.55 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 155.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,287 INFO  L168              Benchmark]: Boogie Preprocessor took 117.43 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 152.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,288 INFO  L168              Benchmark]: RCFGBuilder took 720.89 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 151.8 MB in the beginning and 206.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,289 INFO  L168              Benchmark]: TraceAbstraction took 1301.38 ms. Allocated memory is still 235.4 MB. Free memory was 205.2 MB in the beginning and 91.4 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB.
[2020-08-18 22:44:06,293 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 776.55 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 155.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 117.43 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 152.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 720.89 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 151.8 MB in the beginning and 206.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1301.38 ms. Allocated memory is still 235.4 MB. Free memory was 205.2 MB in the beginning and 91.4 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. 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;
[L1612]  CALL, EXPR  l_malloc(sizeof(int))
[L1619]              void *retVal = malloc(size);
[L1620]  COND TRUE   retVal != ((void *)0)
[L1621]              globalState=1
[L1622]              return retVal;
[L1612]  RET, EXPR   l_malloc(sizeof(int))
[L1612]              int *a = (int*) l_malloc(sizeof(int));
[L1613]  CALL        l_free(a)
[L1629]  COND TRUE   ptr!=((void *)0)
[L1629]              (globalState == 1) ? (0) : __blast_assert ()
[L1630]              globalState = 0
[L1613]  RET         l_free(a)
[L1614]  CALL        l_free(a)
[L1629]  COND TRUE   ptr!=((void *)0)
[L1629]              (globalState == 1) ? (0) : __blast_assert ()
[L1629]  CALL        __blast_assert ()
[L1601]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 63 SDslu, 111 SDs, 0 SdLazy, 171 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 4074 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...