/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:12:55,451 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:12:55,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:12:55,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:12:55,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:12:55,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:12:55,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:12:55,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:12:55,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:12:55,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:12:55,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:12:55,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:12:55,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:12:55,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:12:55,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:12:55,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:12:55,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:12:55,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:12:55,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:12:55,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:12:55,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:12:55,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:12:55,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:12:55,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:12:55,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:12:55,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:12:55,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:12:55,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:12:55,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:12:55,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:12:55,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:12:55,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:12:55,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:12:55,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:12:55,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:12:55,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:12:55,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:12:55,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:12:55,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:12:55,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:12:55,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:12:55,561 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 12:12:55,588 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 12:12:55,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:12:55,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:12:55,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 12:12:55,590 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 12:12:55,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:12:55,591 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 12:12:55,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 12:12:55,591 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 12:12:55,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 12:12:55,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:12:55,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:12:55,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:12:55,592 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 12:12:55,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 12:12:55,593 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 12:12:55,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:12:55,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:12:55,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 12:12:55,594 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 12:12:55,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 12:12:55,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:12:55,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:12:55,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:12:55,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:12:55,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 12:12:55,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:12:55,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:12:55,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 12:12:55,596 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 12:12:56,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:12:56,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:12:56,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:12:56,111 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 12:12:56,112 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 12:12:56,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c
[2020-09-25 12:12:56,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd00f5eb4/887fe4952eb644d0a01451ba8edc3637/FLAG23eb21590
[2020-09-25 12:12:56,752 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 12:12:56,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c
[2020-09-25 12:12:56,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd00f5eb4/887fe4952eb644d0a01451ba8edc3637/FLAG23eb21590
[2020-09-25 12:12:57,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd00f5eb4/887fe4952eb644d0a01451ba8edc3637
[2020-09-25 12:12:57,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:12:57,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:12:57,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:12:57,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:12:57,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:12:57,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57, skipping insertion in model container
[2020-09-25 12:12:57,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 12:12:57,145 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:12:57,420 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:12:57,426 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 12:12:57,583 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:12:57,616 INFO L208 MainTranslator]: Completed translation
[2020-09-25 12:12:57,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57 WrapperNode
[2020-09-25 12:12:57,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:12:57,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:12:57,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:12:57,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:12:57,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (1/1) ...
[2020-09-25 12:12:57,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:12:57,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:12:57,722 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:12:57,722 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:12:57,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (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 12:12:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:12:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:12:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double
[2020-09-25 12:12:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double
[2020-09-25 12:12:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:12:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:12:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:12:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-09-25 12:12:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:12:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double
[2020-09-25 12:12:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:12:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:12:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real
[2020-09-25 12:12:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:12:58,514 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:12:58,515 INFO L295 CfgBuilder]: Removed 16 assume(true) statements.
[2020-09-25 12:12:58,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:12:58 BoogieIcfgContainer
[2020-09-25 12:12:58,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:12:58,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:12:58,530 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:12:58,535 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:12:58,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:12:57" (1/3) ...
[2020-09-25 12:12:58,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d6eb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:12:58, skipping insertion in model container
[2020-09-25 12:12:58,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:12:57" (2/3) ...
[2020-09-25 12:12:58,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d6eb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:12:58, skipping insertion in model container
[2020-09-25 12:12:58,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:12:58" (3/3) ...
[2020-09-25 12:12:58,538 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c
[2020-09-25 12:12:58,548 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:12:58,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:12:58,580 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:12:58,608 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:12:58,608 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 12:12:58,608 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:12:58,608 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:12:58,609 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:12:58,609 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 12:12:58,609 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:12:58,609 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:12:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states.
[2020-09-25 12:12:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-09-25 12:12:58,647 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 12:12:58,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:12:58,649 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:12:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:12:58,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1577177176, now seen corresponding path program 1 times
[2020-09-25 12:12:58,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:12:58,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100190102]
[2020-09-25 12:12:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:12:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:12:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:12:59,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62
[2020-09-25 12:12:59,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:12:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400
[2020-09-25 12:12:59,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:12:59,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:12:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:12:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 12:12:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:12:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 12:12:59,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:12:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:12:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:12:59,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 12:12:59,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:12:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39
[2020-09-25 12:12:59,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:12:59,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:12:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:12:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:12:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:12:59,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:12:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 12:12:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:12:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:12:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 12:12:59,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:12:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56
[2020-09-25 12:12:59,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:12:59,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:12:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:12:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-09-25 12:12:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:12:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:12:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 12:12:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:12:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:12:59,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:12:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28
[2020-09-25 12:12:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:12:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38
[2020-09-25 12:12:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:12:59,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:12:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:12:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 12:12:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:12:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:12:59,527 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 12:12:59,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100190102]
[2020-09-25 12:12:59,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:12:59,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 12:12:59,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470341823]
[2020-09-25 12:12:59,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 12:12:59,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:12:59,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 12:12:59,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 12:12:59,559 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states.
[2020-09-25 12:13:00,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:13:00,066 INFO L93 Difference]: Finished difference Result 414 states and 503 transitions.
[2020-09-25 12:13:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 12:13:00,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51
[2020-09-25 12:13:00,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:13:00,084 INFO L225 Difference]: With dead ends: 414
[2020-09-25 12:13:00,084 INFO L226 Difference]: Without dead ends: 209
[2020-09-25 12:13:00,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 12:13:00,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2020-09-25 12:13:00,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209.
[2020-09-25 12:13:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states.
[2020-09-25 12:13:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 235 transitions.
[2020-09-25 12:13:00,155 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 235 transitions. Word has length 51
[2020-09-25 12:13:00,155 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:13:00,155 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 235 transitions.
[2020-09-25 12:13:00,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 12:13:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 235 transitions.
[2020-09-25 12:13:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2020-09-25 12:13:00,159 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 12:13:00,160 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, 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, 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 12:13:00,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:13:00,160 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:13:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:13:00,161 INFO L82 PathProgramCache]: Analyzing trace with hash -16125544, now seen corresponding path program 1 times
[2020-09-25 12:13:00,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:13:00,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562844336]
[2020-09-25 12:13:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:13:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 12:13:00,244 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 12:13:00,244 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 12:13:00,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:13:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:13:00 BoogieIcfgContainer
[2020-09-25 12:13:00,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 12:13:00,298 INFO L168 Benchmark]: Toolchain (without parser) took 3212.57 ms. Allocated memory was 145.8 MB in the beginning and 233.3 MB in the end (delta: 87.6 MB). Free memory was 101.5 MB in the beginning and 120.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 68.4 MB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,299 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.76 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.9 MB in the beginning and 176.9 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,301 INFO L168 Benchmark]: Boogie Preprocessor took 103.68 ms. Allocated memory is still 201.9 MB. Free memory was 176.9 MB in the beginning and 174.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,302 INFO L168 Benchmark]: RCFGBuilder took 807.23 ms. Allocated memory is still 201.9 MB. Free memory was 174.1 MB in the beginning and 126.8 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,303 INFO L168 Benchmark]: TraceAbstraction took 1765.22 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 126.8 MB in the beginning and 120.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB.
[2020-09-25 12:13:00,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 526.76 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.9 MB in the beginning and 176.9 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 103.68 ms. Allocated memory is still 201.9 MB. Free memory was 176.9 MB in the beginning and 174.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 807.23 ms. Allocated memory is still 201.9 MB. Free memory was 174.1 MB in the beginning and 126.8 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1765.22 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 126.8 MB in the beginning and 120.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 186]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of bitwiseOr at line 41, overapproximation of someUnaryDOUBLEoperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of bitwiseXor at line 37.
Possible FailurePath:
[L15-L18] static const double one_fmod = 1.0, Zero_fmod[] = {
0.0,
-0.0,
};
[L177] double y = -1.0 / 0.0;
[L178] double x = __VERIFIER_nondet_double();
[L180] CALL isfinite_double(x)
[L161] __int32_t hx;
[L163] ieee_double_shape_type gh_u;
[L164] gh_u.value = (x)
[L165] EXPR gh_u.parts.msw
[L165] (hx) = gh_u.parts.msw
[L167] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31);
[L180] RET isfinite_double(x)
[L180] COND TRUE isfinite_double(x)
[L182] CALL, EXPR fmod_double(x, y)
[L21] __int32_t n, hx, hy, hz, ix, iy, sx, i;
[L22] __uint32_t lx, ly, lz;
[L25] ieee_double_shape_type ew_u;
[L26] ew_u.value = (x)
[L27] EXPR ew_u.parts.msw
[L27] (hx) = ew_u.parts.msw
[L28] EXPR ew_u.parts.lsw
[L28] (lx) = ew_u.parts.lsw
[L31] ieee_double_shape_type ew_u;
[L32] ew_u.value = (y)
[L33] EXPR ew_u.parts.msw
[L33] (hy) = ew_u.parts.msw
[L34] EXPR ew_u.parts.lsw
[L34] (ly) = ew_u.parts.lsw
[L36] sx = hx & 0x80000000
[L37] hx ^= sx
[L38] hy &= 0x7fffffff
[L40-L41] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) ||
((hy | ((ly | -ly) >> 31)) > 0x7ff00000)
[L42] return (x * y) / (x * y);
[L182] RET, EXPR fmod_double(x, y)
[L182] double res = fmod_double(x, y);
[L185] COND TRUE res != x
[L186] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 239 SDtfs, 37 SDslu, 182 SDs, 0 SdLazy, 260 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 4750 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...