/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/trex04.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 03:26:55,109 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 03:26:55,113 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 03:26:55,139 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 03:26:55,139 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 03:26:55,141 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 03:26:55,142 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 03:26:55,144 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 03:26:55,146 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 03:26:55,147 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 03:26:55,148 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 03:26:55,150 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 03:26:55,150 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 03:26:55,151 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 03:26:55,153 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 03:26:55,154 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 03:26:55,155 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 03:26:55,156 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 03:26:55,158 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 03:26:55,160 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 03:26:55,162 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 03:26:55,163 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 03:26:55,165 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 03:26:55,166 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 03:26:55,168 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 03:26:55,169 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 03:26:55,169 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 03:26:55,170 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 03:26:55,171 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 03:26:55,172 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 03:26:55,172 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 03:26:55,173 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 03:26:55,174 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 03:26:55,175 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 03:26:55,176 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 03:26:55,177 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 03:26:55,178 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 03:26:55,178 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 03:26:55,178 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 03:26:55,179 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 03:26:55,180 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 03:26:55,181 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 03:26:55,209 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 03:26:55,210 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 03:26:55,211 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 03:26:55,211 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 03:26:55,211 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 03:26:55,212 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 03:26:55,212 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 03:26:55,212 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 03:26:55,212 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 03:26:55,212 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 03:26:55,213 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 03:26:55,213 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 03:26:55,213 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 03:26:55,213 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 03:26:55,213 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 03:26:55,214 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 03:26:55,214 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 03:26:55,214 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 03:26:55,214 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 03:26:55,214 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 03:26:55,215 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 03:26:55,215 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 03:26:55,215 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 03:26:55,215 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 03:26:55,216 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 03:26:55,216 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 03:26:55,216 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 03:26:55,216 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 03:26:55,216 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 03:26:55,217 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true;
[2020-09-25 03:26:55,706 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 03:26:55,728 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 03:26:55,733 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 03:26:55,735 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 03:26:55,736 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 03:26:55,737 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex04.c
[2020-09-25 03:26:55,837 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea7324f1/fbabb1057cff4dbc9c832fa1de376663/FLAGe0261c5f2
[2020-09-25 03:26:56,386 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 03:26:56,387 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/trex04.c
[2020-09-25 03:26:56,396 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea7324f1/fbabb1057cff4dbc9c832fa1de376663/FLAGe0261c5f2
[2020-09-25 03:26:56,723 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea7324f1/fbabb1057cff4dbc9c832fa1de376663
[2020-09-25 03:26:56,740 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 03:26:56,747 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 03:26:56,751 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 03:26:56,751 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 03:26:56,755 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 03:26:56,756 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:56" (1/1) ...
[2020-09-25 03:26:56,762 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:56, skipping insertion in model container
[2020-09-25 03:26:56,762 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:56" (1/1) ...
[2020-09-25 03:26:56,773 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 03:26:56,806 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 03:26:57,028 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 03:26:57,034 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 03:26:57,058 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 03:26:57,077 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 03:26:57,078 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57 WrapperNode
[2020-09-25 03:26:57,078 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 03:26:57,079 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 03:26:57,079 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 03:26:57,079 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 03:26:57,097 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,097 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,104 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,104 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,193 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,203 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,209 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (1/1) ...
[2020-09-25 03:26:57,216 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 03:26:57,216 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 03:26:57,217 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 03:26:57,217 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 03:26:57,218 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (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 03:26:57,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 03:26:57,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 03:26:57,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 03:26:57,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 03:26:57,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure foo
[2020-09-25 03:26:57,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 03:26:57,292 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 03:26:57,292 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 03:26:57,292 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 03:26:57,292 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 03:26:57,293 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-25 03:26:57,293 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 03:26:57,293 INFO  L130     BoogieDeclarations]: Found specification of procedure foo
[2020-09-25 03:26:57,293 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 03:26:57,293 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 03:26:57,294 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 03:26:57,650 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 03:26:57,650 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 03:26:57,655 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:57 BoogieIcfgContainer
[2020-09-25 03:26:57,655 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 03:26:57,656 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 03:26:57,657 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 03:26:57,660 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 03:26:57,661 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:26:56" (1/3) ...
[2020-09-25 03:26:57,662 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5403a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:57, skipping insertion in model container
[2020-09-25 03:26:57,662 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:57" (2/3) ...
[2020-09-25 03:26:57,663 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5403a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:57, skipping insertion in model container
[2020-09-25 03:26:57,663 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:57" (3/3) ...
[2020-09-25 03:26:57,665 INFO  L109   eAbstractionObserver]: Analyzing ICFG trex04.c
[2020-09-25 03:26:57,678 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 03:26:57,689 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 03:26:57,710 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 03:26:57,739 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 03:26:57,739 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 03:26:57,739 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 03:26:57,740 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 03:26:57,740 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 03:26:57,740 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 03:26:57,740 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 03:26:57,740 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 03:26:57,762 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states.
[2020-09-25 03:26:57,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-25 03:26:57,770 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 03:26:57,771 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 03:26:57,772 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 03:26:57,780 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 03:26:57,780 INFO  L82        PathProgramCache]: Analyzing trace with hash 179527167, now seen corresponding path program 1 times
[2020-09-25 03:26:57,790 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 03:26:57,790 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296113476]
[2020-09-25 03:26:57,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 03:26:57,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:26:57,955 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:26:58,196 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:26:58,196 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 35
[2020-09-25 03:26:58,197 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:26:58,197 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 267
[2020-09-25 03:26:58,199 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:26:58,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 03:26:58,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 28
[2020-09-25 03:26:58,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 03:26:58,201 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 03:26:58,311 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 03:26:58,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:26:58,315 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:26:58,317 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:26:58,318 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 03:26:58,318 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:26:58,318 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 03:26:58,319 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:26:58,319 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 03:26:58,319 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 03:26:58,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 03:26:58,320 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 03:26:58,330 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 03:26:58,331 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296113476]
[2020-09-25 03:26:58,333 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 03:26:58,334 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 03:26:58,335 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302320820]
[2020-09-25 03:26:58,341 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 03:26:58,342 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 03:26:58,360 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 03:26:58,361 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 03:26:58,364 INFO  L87              Difference]: Start difference. First operand 55 states. Second operand 5 states.
[2020-09-25 03:26:58,456 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 03:26:58,456 INFO  L93              Difference]: Finished difference Result 66 states and 77 transitions.
[2020-09-25 03:26:58,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 03:26:58,459 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 26
[2020-09-25 03:26:58,460 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 03:26:58,467 INFO  L225             Difference]: With dead ends: 66
[2020-09-25 03:26:58,467 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 03:26:58,472 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 03:26:58,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 03:26:58,496 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 03:26:58,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 03:26:58,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 03:26:58,499 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2020-09-25 03:26:58,500 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 03:26:58,500 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 03:26:58,500 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 03:26:58,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 03:26:58,500 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 03:26:58,501 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 03:26:58,503 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 03:26:58,561 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.initFINAL(line -1)  the Hoare annotation is:  true
[2020-09-25 03:26:58,562 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 03:26:58,562 INFO  L268        CegarLoopResult]: For program point  fooEXIT(lines 16 23)  no Hoare annotation was computed.
[2020-09-25 03:26:58,562 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-09-25 03:26:58,562 INFO  L271        CegarLoopResult]: At program point  fooENTRY(lines 16 23)  the Hoare annotation is:  true
[2020-09-25 03:26:58,563 INFO  L268        CegarLoopResult]: For program point  L21(line 21)  no Hoare annotation was computed.
[2020-09-25 03:26:58,563 INFO  L268        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2020-09-25 03:26:58,563 INFO  L268        CegarLoopResult]: For program point  L21-1(line 21)  no Hoare annotation was computed.
[2020-09-25 03:26:58,563 INFO  L268        CegarLoopResult]: For program point  L19(line 19)  no Hoare annotation was computed.
[2020-09-25 03:26:58,564 INFO  L268        CegarLoopResult]: For program point  L20-1(line 20)  no Hoare annotation was computed.
[2020-09-25 03:26:58,564 INFO  L268        CegarLoopResult]: For program point  L21-2(line 21)  no Hoare annotation was computed.
[2020-09-25 03:26:58,564 INFO  L268        CegarLoopResult]: For program point  L19-1(line 19)  no Hoare annotation was computed.
[2020-09-25 03:26:58,564 INFO  L268        CegarLoopResult]: For program point  L20-2(line 20)  no Hoare annotation was computed.
[2020-09-25 03:26:58,564 INFO  L268        CegarLoopResult]: For program point  L19-2(line 19)  no Hoare annotation was computed.
[2020-09-25 03:26:58,565 INFO  L268        CegarLoopResult]: For program point  L20-3(line 20)  no Hoare annotation was computed.
[2020-09-25 03:26:58,565 INFO  L268        CegarLoopResult]: For program point  L21-4(lines 16 23)  no Hoare annotation was computed.
[2020-09-25 03:26:58,565 INFO  L268        CegarLoopResult]: For program point  L19-3(line 19)  no Hoare annotation was computed.
[2020-09-25 03:26:58,565 INFO  L268        CegarLoopResult]: For program point  L20-5(lines 17 23)  no Hoare annotation was computed.
[2020-09-25 03:26:58,566 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 03:26:58,566 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-25 03:26:58,566 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-25 03:26:58,566 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 03:26:58,566 INFO  L268        CegarLoopResult]: For program point  L4-3(lines 3 5)  no Hoare annotation was computed.
[2020-09-25 03:26:58,567 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notENTRY(lines 3 5)  no Hoare annotation was computed.
[2020-09-25 03:26:58,567 INFO  L268        CegarLoopResult]: For program point  L4(line 4)  no Hoare annotation was computed.
[2020-09-25 03:26:58,567 INFO  L268        CegarLoopResult]: For program point  L4-1(line 4)  no Hoare annotation was computed.
[2020-09-25 03:26:58,567 INFO  L268        CegarLoopResult]: For program point  assume_abort_if_notEXIT(lines 3 5)  no Hoare annotation was computed.
[2020-09-25 03:26:58,567 INFO  L268        CegarLoopResult]: For program point  L35-2(line 35)  no Hoare annotation was computed.
[2020-09-25 03:26:58,568 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 25 46)  no Hoare annotation was computed.
[2020-09-25 03:26:58,568 INFO  L268        CegarLoopResult]: For program point  L40-1(lines 26 46)  no Hoare annotation was computed.
[2020-09-25 03:26:58,568 INFO  L264        CegarLoopResult]: At program point  L40-2(lines 40 43)  the Hoare annotation is:  (<= main_~x~0 0)
[2020-09-25 03:26:58,568 INFO  L268        CegarLoopResult]: For program point  L32(line 32)  no Hoare annotation was computed.
[2020-09-25 03:26:58,569 INFO  L268        CegarLoopResult]: For program point  L32-1(line 32)  no Hoare annotation was computed.
[2020-09-25 03:26:58,569 INFO  L268        CegarLoopResult]: For program point  L32-3(lines 26 46)  no Hoare annotation was computed.
[2020-09-25 03:26:58,569 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-09-25 03:26:58,569 INFO  L268        CegarLoopResult]: For program point  L28-1(line 28)  no Hoare annotation was computed.
[2020-09-25 03:26:58,569 INFO  L268        CegarLoopResult]: For program point  L28-2(line 28)  no Hoare annotation was computed.
[2020-09-25 03:26:58,570 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-09-25 03:26:58,570 INFO  L271        CegarLoopResult]: At program point  L37-1(line 37)  the Hoare annotation is:  true
[2020-09-25 03:26:58,570 INFO  L268        CegarLoopResult]: For program point  L37-3(lines 26 46)  no Hoare annotation was computed.
[2020-09-25 03:26:58,570 INFO  L271        CegarLoopResult]: At program point  L33(line 33)  the Hoare annotation is:  true
[2020-09-25 03:26:58,571 INFO  L268        CegarLoopResult]: For program point  L33-2(line 33)  no Hoare annotation was computed.
[2020-09-25 03:26:58,571 INFO  L268        CegarLoopResult]: For program point  L29(line 29)  no Hoare annotation was computed.
[2020-09-25 03:26:58,571 INFO  L268        CegarLoopResult]: For program point  L29-1(line 29)  no Hoare annotation was computed.
[2020-09-25 03:26:58,571 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 25 46)  no Hoare annotation was computed.
[2020-09-25 03:26:58,571 INFO  L268        CegarLoopResult]: For program point  L42(line 42)  no Hoare annotation was computed.
[2020-09-25 03:26:58,572 INFO  L268        CegarLoopResult]: For program point  L38(line 38)  no Hoare annotation was computed.
[2020-09-25 03:26:58,572 INFO  L268        CegarLoopResult]: For program point  L30(line 30)  no Hoare annotation was computed.
[2020-09-25 03:26:58,572 INFO  L271        CegarLoopResult]: At program point  mainENTRY(lines 25 46)  the Hoare annotation is:  true
[2020-09-25 03:26:58,572 INFO  L268        CegarLoopResult]: For program point  L30-1(line 30)  no Hoare annotation was computed.
[2020-09-25 03:26:58,572 INFO  L268        CegarLoopResult]: For program point  L30-2(line 30)  no Hoare annotation was computed.
[2020-09-25 03:26:58,573 INFO  L268        CegarLoopResult]: For program point  L30-3(line 30)  no Hoare annotation was computed.
[2020-09-25 03:26:58,573 INFO  L268        CegarLoopResult]: For program point  L35(line 35)  no Hoare annotation was computed.
[2020-09-25 03:26:58,573 INFO  L268        CegarLoopResult]: For program point  L35-1(line 35)  no Hoare annotation was computed.
[2020-09-25 03:26:58,573 INFO  L271        CegarLoopResult]: At program point  __VERIFIER_assertENTRY(lines 7 12)  the Hoare annotation is:  true
[2020-09-25 03:26:58,573 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertEXIT(lines 7 12)  no Hoare annotation was computed.
[2020-09-25 03:26:58,573 INFO  L268        CegarLoopResult]: For program point  L9(line 9)  no Hoare annotation was computed.
[2020-09-25 03:26:58,574 INFO  L268        CegarLoopResult]: For program point  L8(lines 8 10)  no Hoare annotation was computed.
[2020-09-25 03:26:58,574 INFO  L268        CegarLoopResult]: For program point  L8-2(lines 7 12)  no Hoare annotation was computed.
[2020-09-25 03:26:58,574 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9)  no Hoare annotation was computed.
[2020-09-25 03:26:58,582 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:26:58 BoogieIcfgContainer
[2020-09-25 03:26:58,583 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 03:26:58,587 INFO  L168              Benchmark]: Toolchain (without parser) took 1843.04 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 123.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,588 INFO  L168              Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,589 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 327.72 ms. Allocated memory is still 139.5 MB. Free memory was 101.3 MB in the beginning and 90.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,590 INFO  L168              Benchmark]: Boogie Preprocessor took 137.23 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 181.6 MB in the end (delta: -90.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,591 INFO  L168              Benchmark]: RCFGBuilder took 438.84 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 164.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,592 INFO  L168              Benchmark]: TraceAbstraction took 926.38 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 123.3 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB.
[2020-09-25 03:26:58,597 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 327.72 ms. Allocated memory is still 139.5 MB. Free memory was 101.3 MB in the beginning and 90.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 137.23 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 181.6 MB in the end (delta: -90.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 438.84 ms. Allocated memory is still 202.9 MB. Free memory was 181.6 MB in the beginning and 164.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 926.38 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 123.3 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 6 SDslu, 170 SDs, 0 SdLazy, 12 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 proved your program to be correct!
Received shutdown request...