/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 17:01:28,189 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 17:01:28,192 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 17:01:28,216 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 17:01:28,217 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 17:01:28,218 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 17:01:28,219 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 17:01:28,221 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 17:01:28,223 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 17:01:28,224 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 17:01:28,225 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 17:01:28,226 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 17:01:28,227 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 17:01:28,228 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 17:01:28,229 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 17:01:28,230 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 17:01:28,231 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 17:01:28,232 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 17:01:28,234 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 17:01:28,236 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 17:01:28,238 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 17:01:28,239 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 17:01:28,240 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 17:01:28,241 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 17:01:28,249 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 17:01:28,250 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 17:01:28,250 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 17:01:28,251 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 17:01:28,251 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 17:01:28,252 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 17:01:28,255 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 17:01:28,256 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 17:01:28,256 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 17:01:28,257 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 17:01:28,261 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 17:01:28,262 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 17:01:28,262 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 17:01:28,263 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 17:01:28,263 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 17:01:28,264 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 17:01:28,264 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 17:01:28,265 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 17:01:28,288 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 17:01:28,289 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 17:01:28,290 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 17:01:28,290 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 17:01:28,290 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 17:01:28,291 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 17:01:28,291 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 17:01:28,291 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 17:01:28,291 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 17:01:28,291 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 17:01:28,292 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 17:01:28,293 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 17:01:28,293 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 17:01:28,293 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 17:01:28,293 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 17:01:28,293 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 17:01:28,294 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 17:01:28,294 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 17:01:28,294 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 17:01:28,294 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 17:01:28,294 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 17:01:28,295 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 17:01:28,295 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 17:01:28,295 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 17:01:28,295 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=SMALLEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST;
[2020-08-18 17:01:28,585 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 17:01:28,598 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 17:01:28,601 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 17:01:28,603 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 17:01:28,603 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 17:01:28,604 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c
[2020-08-18 17:01:28,679 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1893e4db4/e78d7c0ba6284bb489595f60c81523b3/FLAGb9a990268
[2020-08-18 17:01:29,160 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 17:01:29,162 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c
[2020-08-18 17:01:29,169 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1893e4db4/e78d7c0ba6284bb489595f60c81523b3/FLAGb9a990268
[2020-08-18 17:01:29,521 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1893e4db4/e78d7c0ba6284bb489595f60c81523b3
[2020-08-18 17:01:29,529 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 17:01:29,531 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 17:01:29,532 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 17:01:29,532 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 17:01:29,535 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 17:01:29,536 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,539 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72eb96f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29, skipping insertion in model container
[2020-08-18 17:01:29,539 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,547 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 17:01:29,562 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 17:01:29,727 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 17:01:29,733 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 17:01:29,751 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 17:01:29,766 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 17:01:29,766 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29 WrapperNode
[2020-08-18 17:01:29,766 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 17:01:29,767 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 17:01:29,767 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 17:01:29,768 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 17:01:29,781 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,781 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,788 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,788 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,793 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,795 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,796 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (1/1) ...
[2020-08-18 17:01:29,797 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 17:01:29,798 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 17:01:29,798 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 17:01:29,798 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 17:01:29,799 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (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 17:01:29,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 17:01:29,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 17:01:29,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 17:01:29,950 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 17:01:29,950 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 17:01:29,950 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 17:01:29,951 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 17:01:30,092 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 17:01:30,092 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-18 17:01:30,096 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:01:30 BoogieIcfgContainer
[2020-08-18 17:01:30,096 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 17:01:30,098 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 17:01:30,098 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 17:01:30,101 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 17:01:30,101 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:01:29" (1/3) ...
[2020-08-18 17:01:30,102 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3ba59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:01:30, skipping insertion in model container
[2020-08-18 17:01:30,102 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:01:29" (2/3) ...
[2020-08-18 17:01:30,103 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3ba59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:01:30, skipping insertion in model container
[2020-08-18 17:01:30,103 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:01:30" (3/3) ...
[2020-08-18 17:01:30,105 INFO  L109   eAbstractionObserver]: Analyzing ICFG float-no-simp7.c
[2020-08-18 17:01:30,115 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 17:01:30,122 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 17:01:30,136 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 17:01:30,160 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 17:01:30,160 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 17:01:30,160 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 17:01:30,161 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 17:01:30,161 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 17:01:30,161 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 17:01:30,161 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 17:01:30,161 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 17:01:30,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states.
[2020-08-18 17:01:30,185 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2020-08-18 17:01:30,186 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 17:01:30,187 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2020-08-18 17:01:30,187 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 17:01:30,194 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 17:01:30,194 INFO  L82        PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times
[2020-08-18 17:01:30,203 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 17:01:30,203 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176595160]
[2020-08-18 17:01:30,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 17:01:30,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-18 17:01:30,285 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-18 17:01:30,285 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-08-18 17:01:30,289 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 17:01:30,301 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:01:30 BoogieIcfgContainer
[2020-08-18 17:01:30,301 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 17:01:30,304 INFO  L168              Benchmark]: Toolchain (without parser) took 771.96 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 161.6 MB in the end (delta: -56.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,305 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,306 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 235.38 ms. Allocated memory is still 141.0 MB. Free memory was 104.6 MB in the beginning and 94.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,307 INFO  L168              Benchmark]: Boogie Preprocessor took 29.98 ms. Allocated memory is still 141.0 MB. Free memory was 94.5 MB in the beginning and 93.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,308 INFO  L168              Benchmark]: RCFGBuilder took 298.98 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 173.2 MB in the end (delta: -80.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,309 INFO  L168              Benchmark]: TraceAbstraction took 203.37 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 161.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
[2020-08-18 17:01:30,313 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 235.38 ms. Allocated memory is still 141.0 MB. Free memory was 104.6 MB in the beginning and 94.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 29.98 ms. Allocated memory is still 141.0 MB. Free memory was 94.5 MB in the beginning and 93.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 298.98 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 173.2 MB in the end (delta: -80.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 203.37 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 161.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. 
Possible FailurePath: 
[L4]              float f =  0x1.9e0c22p-101f;
[L5]              float g = -0x1.3c9014p-50f;
[L6]              float target = -0x1p-149f;
[L8]              float result = f * g;
[L10]  COND TRUE  !(result == target)
[L10]             __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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...