/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 21:07:32,317 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 21:07:32,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 21:07:32,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 21:07:32,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 21:07:32,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 21:07:32,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 21:07:32,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 21:07:32,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 21:07:32,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 21:07:32,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 21:07:32,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 21:07:32,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 21:07:32,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 21:07:32,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 21:07:32,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 21:07:32,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 21:07:32,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 21:07:32,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 21:07:32,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 21:07:32,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 21:07:32,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 21:07:32,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 21:07:32,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 21:07:32,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 21:07:32,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 21:07:32,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 21:07:32,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 21:07:32,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 21:07:32,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 21:07:32,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 21:07:32,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 21:07:32,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 21:07:32,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 21:07:32,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 21:07:32,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 21:07:32,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 21:07:32,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 21:07:32,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 21:07:32,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 21:07:32,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 21:07:32,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 21:07:32,437 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 21:07:32,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 21:07:32,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 21:07:32,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 21:07:32,439 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 21:07:32,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 21:07:32,440 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 21:07:32,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 21:07:32,440 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 21:07:32,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 21:07:32,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 21:07:32,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 21:07:32,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 21:07:32,441 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 21:07:32,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 21:07:32,442 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 21:07:32,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 21:07:32,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 21:07:32,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 21:07:32,443 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 21:07:32,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 21:07:32,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 21:07:32,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 21:07:32,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 21:07:32,445 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 21:07:32,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 21:07:32,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 21:07:32,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 21:07:32,784 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 21:07:32,785 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 21:07:32,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c
[2020-07-20 21:07:32,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2492a2c/0c475691c49646db8a8910bd20dbe2a3/FLAG05c0f39c8
[2020-07-20 21:07:33,311 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 21:07:33,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c
[2020-07-20 21:07:33,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2492a2c/0c475691c49646db8a8910bd20dbe2a3/FLAG05c0f39c8
[2020-07-20 21:07:33,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2492a2c/0c475691c49646db8a8910bd20dbe2a3
[2020-07-20 21:07:33,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 21:07:33,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 21:07:33,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 21:07:33,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 21:07:33,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 21:07:33,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:33,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9e79da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33, skipping insertion in model container
[2020-07-20 21:07:33,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:33,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 21:07:33,719 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 21:07:33,925 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:07:33,930 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 21:07:33,964 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:07:33,994 INFO L208 MainTranslator]: Completed translation
[2020-07-20 21:07:33,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33 WrapperNode
[2020-07-20 21:07:33,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 21:07:33,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 21:07:33,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 21:07:33,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 21:07:34,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
[2020-07-20 21:07:34,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 21:07:34,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 21:07:34,144 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 21:07:34,144 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 21:07:34,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-07-20 21:07:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 21:07:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 21:07:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double
[2020-07-20 21:07:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double
[2020-07-20 21:07:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double
[2020-07-20 21:07:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 21:07:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 21:07:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2020-07-20 21:07:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double
[2020-07-20 21:07:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double
[2020-07-20 21:07:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 21:07:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-07-20 21:07:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 21:07:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 21:07:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double
[2020-07-20 21:07:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 21:07:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 21:07:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 21:07:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 21:07:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-07-20 21:07:34,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 21:07:34,572 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-07-20 21:07:34,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:07:34 BoogieIcfgContainer
[2020-07-20 21:07:34,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 21:07:34,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 21:07:34,577 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 21:07:34,580 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 21:07:34,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:07:33" (1/3) ...
[2020-07-20 21:07:34,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12cb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:07:34, skipping insertion in model container
[2020-07-20 21:07:34,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:07:33" (2/3) ...
[2020-07-20 21:07:34,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12cb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:07:34, skipping insertion in model container
[2020-07-20 21:07:34,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:07:34" (3/3) ...
[2020-07-20 21:07:34,584 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1231b.c
[2020-07-20 21:07:34,595 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 21:07:34,602 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 21:07:34,618 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 21:07:34,641 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 21:07:34,641 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 21:07:34,642 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 21:07:34,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 21:07:34,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 21:07:34,642 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 21:07:34,642 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 21:07:34,642 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 21:07:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states.
[2020-07-20 21:07:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-07-20 21:07:34,670 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:07:34,671 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]
[2020-07-20 21:07:34,671 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:07:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:07:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash 969227935, now seen corresponding path program 1 times
[2020-07-20 21:07:34,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:07:34,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583295750]
[2020-07-20 21:07:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:34,798 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 21:07:34,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:07:34,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-20 21:07:34,809 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:07:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:07:34,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:07:34,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583295750]
[2020-07-20 21:07:34,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:07:34,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-20 21:07:34,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838132061]
[2020-07-20 21:07:34,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 21:07:34,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:07:34,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 21:07:34,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 21:07:34,913 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states.
[2020-07-20 21:07:34,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:07:34,977 INFO L93 Difference]: Finished difference Result 73 states and 97 transitions.
[2020-07-20 21:07:34,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-20 21:07:34,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27
[2020-07-20 21:07:34,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:07:34,991 INFO L225 Difference]: With dead ends: 73
[2020-07-20 21:07:34,991 INFO L226 Difference]: Without dead ends: 41
[2020-07-20 21:07:34,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 21:07:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2020-07-20 21:07:35,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2020-07-20 21:07:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2020-07-20 21:07:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions.
[2020-07-20 21:07:35,047 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 27
[2020-07-20 21:07:35,048 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:07:35,048 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions.
[2020-07-20 21:07:35,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 21:07:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2020-07-20 21:07:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-07-20 21:07:35,051 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:07:35,051 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]
[2020-07-20 21:07:35,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:35,266 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:07:35,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:07:35,268 INFO L82 PathProgramCache]: Analyzing trace with hash 151786008, now seen corresponding path program 1 times
[2020-07-20 21:07:35,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:07:35,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397263709]
[2020-07-20 21:07:35,270 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:35,378 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 21:07:35,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:07:35,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-20 21:07:35,385 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:07:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:07:35,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:07:35,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397263709]
[2020-07-20 21:07:35,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:07:35,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-20 21:07:35,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297161237]
[2020-07-20 21:07:35,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 21:07:35,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:07:35,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 21:07:35,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 21:07:35,410 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 4 states.
[2020-07-20 21:07:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:07:35,434 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions.
[2020-07-20 21:07:35,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-20 21:07:35,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31
[2020-07-20 21:07:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:07:35,437 INFO L225 Difference]: With dead ends: 51
[2020-07-20 21:07:35,437 INFO L226 Difference]: Without dead ends: 45
[2020-07-20 21:07:35,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 21:07:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2020-07-20 21:07:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41.
[2020-07-20 21:07:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2020-07-20 21:07:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions.
[2020-07-20 21:07:35,449 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31
[2020-07-20 21:07:35,449 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:07:35,449 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions.
[2020-07-20 21:07:35,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 21:07:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2020-07-20 21:07:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-07-20 21:07:35,451 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:07:35,451 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]
[2020-07-20 21:07:35,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:35,666 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:07:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:07:35,667 INFO L82 PathProgramCache]: Analyzing trace with hash -44727497, now seen corresponding path program 1 times
[2020-07-20 21:07:35,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:07:35,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114623831]
[2020-07-20 21:07:35,669 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:35,739 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:07:35,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 21:07:35,740 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 21:07:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 21:07:35,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 21:07:35,829 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 21:07:35,831 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 21:07:36,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:07:36,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:07:36 BoogieIcfgContainer
[2020-07-20 21:07:36,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 21:07:36,086 INFO L168 Benchmark]: Toolchain (without parser) took 2403.50 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 93.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,087 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.12 ms. Allocated memory is still 144.2 MB. Free memory was 100.7 MB in the beginning and 89.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,089 INFO L168 Benchmark]: Boogie Preprocessor took 147.92 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 89.8 MB in the beginning and 179.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,090 INFO L168 Benchmark]: RCFGBuilder took 432.26 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 160.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,091 INFO L168 Benchmark]: TraceAbstraction took 1506.02 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 93.4 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB.
[2020-07-20 21:07:36,095 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 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 311.12 ms. Allocated memory is still 144.2 MB. Free memory was 100.7 MB in the beginning and 89.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 147.92 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 89.8 MB in the beginning and 179.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 432.26 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 160.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1506.02 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 93.4 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 68]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61.
Possible FailurePath:
[L60] double x = __VERIFIER_nondet_double();
[L61] double y = 0.0 / 0.0;
VAL [x=3]
[L62] CALL, EXPR isnan_double(x)
VAL [\old(x)=3]
[L16] return x != x;
VAL [\old(x)=3, \result=0, x=3]
[L62] RET, EXPR isnan_double(x)
VAL [isnan_double(x)=0, x=3]
[L62] COND TRUE !isnan_double(x)
[L64] CALL, EXPR fmin_double(x, y)
VAL [\old(x)=3, \old(y)=4]
[L45] CALL, EXPR __fpclassify_double(x)
VAL [\old(x)=3]
[L18] __uint32_t msw, lsw;
VAL [\old(x)=3, x=3]
[L21] ieee_double_shape_type ew_u;
[L22] ew_u.value = (x)
[L23] EXPR ew_u.parts.msw
[L23] (msw) = ew_u.parts.msw
[L24] EXPR ew_u.parts.lsw
[L24] (lsw) = ew_u.parts.lsw
[L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) ||
(msw == 0x80000000 && lsw == 0x00000000))
VAL [\old(x)=3, lsw=2437, msw=6441402369, x=3]
[L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) ||
(msw >= 0x80100000 && msw <= 0xffefffff))
VAL [\old(x)=3, lsw=2437, msw=6441402369, x=3]
[L33-L34] COND FALSE !(( msw <= 0x000fffff) ||
(msw >= 0x80000000 && msw <= 0x800fffff))
VAL [\old(x)=3, lsw=2437, msw=6441402369, x=3]
[L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) ||
(msw == 0xfff00000 && lsw == 0x00000000))
[L41] return 0;
VAL [\old(x)=3, \result=0, lsw=2437, msw=6441402369, x=3]
[L45] RET, EXPR __fpclassify_double(x)
VAL [\old(x)=3, \old(y)=4, __fpclassify_double(x)=0, x=3, y=4]
[L45] COND TRUE __fpclassify_double(x) == 0
[L46] return y;
VAL [\old(x)=3, \old(y)=4, \result=4, x=3, y=4]
[L64] RET, EXPR fmin_double(x, y)
VAL [fmin_double(x, y)=4, x=3, y=4]
[L64] double res = fmin_double(x, y);
[L67] COND TRUE res != x
VAL [res=4, x=3, y=4]
[L68] __VERIFIER_error()
VAL [res=4, x=3, y=4]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 0 SDslu, 168 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 89 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...