/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:31:04,702 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:31:04,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:31:04,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:31:04,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:31:04,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:31:04,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:31:04,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:31:04,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:31:04,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:31:04,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:31:04,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:31:04,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:31:04,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:31:04,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:31:04,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:31:04,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:31:04,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:31:04,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:31:04,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:31:04,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:31:04,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:31:04,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:31:04,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:31:04,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:31:04,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:31:04,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:31:04,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:31:04,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:31:04,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:31:04,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:31:04,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:31:04,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:31:04,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:31:04,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:31:04,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:31:04,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:31:04,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:31:04,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:31:04,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:31:04,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:31:04,774 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
[2020-09-25 05:31:04,832 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:31:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:31:04,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:31:04,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:31:04,836 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:31:04,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:31:04,837 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:31:04,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:31:04,837 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:31:04,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:31:04,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:31:04,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:31:04,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:31:04,838 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:31:04,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:31:04,839 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:31:04,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:31:04,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:31:04,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:31:04,839 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:31:04,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:31:04,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:31:04,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:31:04,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:31:04,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:31:04,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:31:04,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:31:04,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:31:04,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:31:04,841 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.rcfgbuilder: Size of a code block -> SingleStatement
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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:31:05,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:31:05,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:31:05,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:31:05,341 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:31:05,344 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:31:05,345 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i
[2020-09-25 05:31:05,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d627c0a9a/97145937d77c417a9891ded2c691cb06/FLAG2276bbf26
[2020-09-25 05:31:06,086 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:31:06,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/fo_test.i
[2020-09-25 05:31:06,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d627c0a9a/97145937d77c417a9891ded2c691cb06/FLAG2276bbf26
[2020-09-25 05:31:06,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d627c0a9a/97145937d77c417a9891ded2c691cb06
[2020-09-25 05:31:06,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:31:06,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:31:06,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:31:06,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:31:06,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:31:06,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:31:06" (1/1) ...
[2020-09-25 05:31:06,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656a7a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:06, skipping insertion in model container
[2020-09-25 05:31:06,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:31:06" (1/1) ...
[2020-09-25 05:31:06,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:31:06,428 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:31:06,848 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:31:06,950 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:31:07,031 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:31:07,118 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:31:07,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07 WrapperNode
[2020-09-25 05:31:07,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:31:07,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:31:07,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:31:07,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:31:07,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (1/1) ...
[2020-09-25 05:31:07,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:31:07,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:31:07,184 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:31:07,184 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:31:07,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (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
[2020-09-25 05:31:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:31:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:31:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert
[2020-09-25 05:31:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure open
[2020-09-25 05:31:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:31:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read
[2020-09-25 05:31:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open
[2020-09-25 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-09-25 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-09-25 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-09-25 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-09-25 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-09-25 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-09-25 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-09-25 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-09-25 05:31:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-09-25 05:31:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-09-25 05:31:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-09-25 05:31:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-09-25 05:31:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-09-25 05:31:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-09-25 05:31:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-09-25 05:31:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-09-25 05:31:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-09-25 05:31:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-09-25 05:31:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-09-25 05:31:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-09-25 05:31:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-09-25 05:31:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-09-25 05:31:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-09-25 05:31:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-09-25 05:31:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-09-25 05:31:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-09-25 05:31:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-09-25 05:31:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-09-25 05:31:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-09-25 05:31:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-09-25 05:31:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-09-25 05:31:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-09-25 05:31:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-09-25 05:31:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-09-25 05:31:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-09-25 05:31:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-09-25 05:31:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-09-25 05:31:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 05:31:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-09-25 05:31:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-09-25 05:31:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-25 05:31:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-09-25 05:31:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-09-25 05:31:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-09-25 05:31:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-09-25 05:31:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-09-25 05:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure stat
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure fstat
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat
[2020-09-25 05:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure lstat
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure chmod
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure umask
[2020-09-25 05:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir
[2020-09-25 05:31:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat
[2020-09-25 05:31:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure mknod
[2020-09-25 05:31:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat
[2020-09-25 05:31:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo
[2020-09-25 05:31:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat
[2020-09-25 05:31:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat
[2020-09-25 05:31:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure futimens
[2020-09-25 05:31:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat
[2020-09-25 05:31:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure open
[2020-09-25 05:31:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure openat
[2020-09-25 05:31:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure openat64
[2020-09-25 05:31:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure creat
[2020-09-25 05:31:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure lockf
[2020-09-25 05:31:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise
[2020-09-25 05:31:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate
[2020-09-25 05:31:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure read
[2020-09-25 05:31:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:31:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure l_read
[2020-09-25 05:31:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure l_open
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:31:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:31:07,845 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:31:07,846 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 05:31:07,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:31:07 BoogieIcfgContainer
[2020-09-25 05:31:07,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:31:07,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:31:07,855 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:31:07,859 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:31:07,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:31:06" (1/3) ...
[2020-09-25 05:31:07,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691d4327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:31:07, skipping insertion in model container
[2020-09-25 05:31:07,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:07" (2/3) ...
[2020-09-25 05:31:07,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691d4327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:31:07, skipping insertion in model container
[2020-09-25 05:31:07,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:31:07" (3/3) ...
[2020-09-25 05:31:07,865 INFO L109 eAbstractionObserver]: Analyzing ICFG fo_test.i
[2020-09-25 05:31:07,876 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:31:07,889 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:31:07,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:31:07,941 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:31:07,942 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:31:07,942 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:31:07,942 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:31:07,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:31:07,942 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:31:07,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:31:07,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:31:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states.
[2020-09-25 05:31:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2020-09-25 05:31:07,971 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:31:07,972 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, 1, 1, 1, 1, 1]
[2020-09-25 05:31:07,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:31:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:31:07,979 INFO L82 PathProgramCache]: Analyzing trace with hash 86369829, now seen corresponding path program 1 times
[2020-09-25 05:31:07,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:31:07,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645251489]
[2020-09-25 05:31:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:31:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 05:31:08,165 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 05:31:08,166 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 05:31:08,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:31:08,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:31:08 BoogieIcfgContainer
[2020-09-25 05:31:08,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:31:08,198 INFO L168 Benchmark]: Toolchain (without parser) took 1850.54 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 102.2 MB in the end (delta: -884.1 kB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,199 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.05 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.7 MB in the beginning and 166.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,201 INFO L168 Benchmark]: Boogie Preprocessor took 63.13 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 164.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,202 INFO L168 Benchmark]: RCFGBuilder took 668.65 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 116.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,203 INFO L168 Benchmark]: TraceAbstraction took 339.75 ms. Allocated memory is still 202.9 MB. Free memory was 116.2 MB in the beginning and 102.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:31:08,208 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 768.05 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.7 MB in the beginning and 166.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 63.13 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 164.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 668.65 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 116.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 339.75 ms. Allocated memory is still 202.9 MB. Free memory was 116.2 MB in the beginning and 102.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of large string literal at line 1158.
Possible FailurePath:
[L1152] int globalState = 0;
[L1158] CALL, EXPR l_open("unknown",00)
[L1170] int fd = open(file,flags);
[L1171] COND FALSE !(fd>0)
[L1172] return fd;
[L1158] RET, EXPR l_open("unknown",00)
[L1158] int file = l_open("unknown",00);
[L1159] void* cbuf = (void*) malloc(sizeof(char)*100);
[L1160] CALL l_read(file,cbuf,99)
[L1165] (globalState == 1) ? (0) : __blast_assert ()
[L1165] CALL __blast_assert ()
[L960] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...