/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-06 21:58:10,655 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-06 21:58:10,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-06 21:58:10,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-06 21:58:10,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-06 21:58:10,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-06 21:58:10,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-06 21:58:10,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-06 21:58:10,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-06 21:58:10,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-06 21:58:10,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-06 21:58:10,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-06 21:58:10,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-06 21:58:10,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-06 21:58:10,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-06 21:58:10,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-06 21:58:10,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-06 21:58:10,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-06 21:58:10,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-06 21:58:10,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-06 21:58:10,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-06 21:58:10,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-06 21:58:10,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-06 21:58:10,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-06 21:58:10,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-11-06 21:58:10,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-11-06 21:58:10,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-11-06 21:58:10,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-11-06 21:58:10,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-06 21:58:10,786 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
[2020-11-06 21:58:10,816 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-06 21:58:10,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-06 21:58:10,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-06 21:58:10,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-06 21:58:10,819 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-06 21:58:10,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-06 21:58:10,820 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-06 21:58:10,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-06 21:58:10,820 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-06 21:58:10,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-06 21:58:10,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-06 21:58:10,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-06 21:58:10,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-06 21:58:10,822 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-06 21:58:10,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-06 21:58:10,822 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-06 21:58:10,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-06 21:58:10,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-06 21:58:10,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-06 21:58:10,823 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-06 21:58:10,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-06 21:58:10,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 21:58:10,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-06 21:58:10,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-06 21:58:10,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-06 21:58:10,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-06 21:58:10,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-06 21:58:10,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-06 21:58:10,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-11-06 21:58:10,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-06 21:58:11,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-06 21:58:11,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-06 21:58:11,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-06 21:58:11,222 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-06 21:58:11,223 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-06 21:58:11,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c
[2020-11-06 21:58:11,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552153c6/46a66667ae3c441982fcb30e7cbcccda/FLAG06fbb1556
[2020-11-06 21:58:11,946 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-06 21:58:11,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c
[2020-11-06 21:58:11,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552153c6/46a66667ae3c441982fcb30e7cbcccda/FLAG06fbb1556
[2020-11-06 21:58:12,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552153c6/46a66667ae3c441982fcb30e7cbcccda
[2020-11-06 21:58:12,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-06 21:58:12,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-06 21:58:12,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-06 21:58:12,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-06 21:58:12,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-06 21:58:12,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b615064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12, skipping insertion in model container
[2020-11-06 21:58:12,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-06 21:58:12,316 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-06 21:58:12,536 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:58:12,554 INFO L203 MainTranslator]: Completed pre-run
[2020-11-06 21:58:12,613 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:58:12,642 INFO L208 MainTranslator]: Completed translation
[2020-11-06 21:58:12,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12 WrapperNode
[2020-11-06 21:58:12,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-06 21:58:12,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-06 21:58:12,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-06 21:58:12,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-06 21:58:12,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (1/1) ...
[2020-11-06 21:58:12,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-06 21:58:12,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-06 21:58:12,810 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-06 21:58:12,811 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-06 21:58:12,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (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
[2020-11-06 21:58:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-06 21:58:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-06 21:58:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-06 21:58:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float
[2020-11-06 21:58:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float
[2020-11-06 21:58:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float
[2020-11-06 21:58:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-06 21:58:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-06 21:58:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-06 21:58:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-06 21:58:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-06 21:58:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float
[2020-11-06 21:58:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float
[2020-11-06 21:58:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-11-06 21:58:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-06 21:58:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-06 21:58:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float
[2020-11-06 21:58:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float
[2020-11-06 21:58:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-06 21:58:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-06 21:58:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-06 21:58:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-06 21:58:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-11-06 21:58:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-06 21:58:13,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-06 21:58:13,597 INFO L298 CfgBuilder]: Removed 4 assume(true) statements.
[2020-11-06 21:58:13,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:58:13 BoogieIcfgContainer
[2020-11-06 21:58:13,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-06 21:58:13,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-06 21:58:13,601 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-06 21:58:13,605 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-06 21:58:13,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:58:12" (1/3) ...
[2020-11-06 21:58:13,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787f6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:58:13, skipping insertion in model container
[2020-11-06 21:58:13,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:12" (2/3) ...
[2020-11-06 21:58:13,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787f6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:58:13, skipping insertion in model container
[2020-11-06 21:58:13,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:58:13" (3/3) ...
[2020-11-06 21:58:13,609 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232a.c
[2020-11-06 21:58:13,623 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-06 21:58:13,627 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-06 21:58:13,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-06 21:58:13,670 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-06 21:58:13,670 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-06 21:58:13,670 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-06 21:58:13,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-06 21:58:13,671 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-06 21:58:13,671 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-06 21:58:13,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-06 21:58:13,671 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-06 21:58:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states.
[2020-11-06 21:58:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-11-06 21:58:13,698 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:58:13,699 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]
[2020-11-06 21:58:13,699 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:58:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:58:13,706 INFO L82 PathProgramCache]: Analyzing trace with hash 151569813, now seen corresponding path program 1 times
[2020-11-06 21:58:13,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:58:13,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722122558]
[2020-11-06 21:58:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:58:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:58:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:58:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:58:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:58:14,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722122558]
[2020-11-06 21:58:14,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:58:14,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-06 21:58:14,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666294196]
[2020-11-06 21:58:14,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-06 21:58:14,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:58:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-06 21:58:14,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-06 21:58:14,089 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states.
[2020-11-06 21:58:14,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:58:14,367 INFO L93 Difference]: Finished difference Result 84 states and 113 transitions.
[2020-11-06 21:58:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-06 21:58:14,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23
[2020-11-06 21:58:14,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:58:14,381 INFO L225 Difference]: With dead ends: 84
[2020-11-06 21:58:14,381 INFO L226 Difference]: Without dead ends: 41
[2020-11-06 21:58:14,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-06 21:58:14,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2020-11-06 21:58:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2020-11-06 21:58:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2020-11-06 21:58:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions.
[2020-11-06 21:58:14,480 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 23
[2020-11-06 21:58:14,480 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:58:14,481 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions.
[2020-11-06 21:58:14,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-06 21:58:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2020-11-06 21:58:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-11-06 21:58:14,487 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:58:14,487 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]
[2020-11-06 21:58:14,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-06 21:58:14,490 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:58:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:58:14,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1776539675, now seen corresponding path program 1 times
[2020-11-06 21:58:14,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:58:14,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93272929]
[2020-11-06 21:58:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:58:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:58:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:58:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:58:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:58:14,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93272929]
[2020-11-06 21:58:14,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:58:14,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-06 21:58:14,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715592319]
[2020-11-06 21:58:14,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-06 21:58:14,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:58:14,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-06 21:58:14,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-11-06 21:58:14,862 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states.
[2020-11-06 21:58:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:58:15,111 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions.
[2020-11-06 21:58:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-06 21:58:15,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24
[2020-11-06 21:58:15,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:58:15,115 INFO L225 Difference]: With dead ends: 61
[2020-11-06 21:58:15,115 INFO L226 Difference]: Without dead ends: 45
[2020-11-06 21:58:15,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-11-06 21:58:15,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2020-11-06 21:58:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2020-11-06 21:58:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states.
[2020-11-06 21:58:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions.
[2020-11-06 21:58:15,132 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 24
[2020-11-06 21:58:15,132 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:58:15,133 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions.
[2020-11-06 21:58:15,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-06 21:58:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions.
[2020-11-06 21:58:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-11-06 21:58:15,134 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:58:15,135 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]
[2020-11-06 21:58:15,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-06 21:58:15,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:58:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:58:15,136 INFO L82 PathProgramCache]: Analyzing trace with hash -624344114, now seen corresponding path program 1 times
[2020-11-06 21:58:15,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:58:15,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177990412]
[2020-11-06 21:58:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:58:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:58:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:58:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:58:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:58:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:58:15,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177990412]
[2020-11-06 21:58:15,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:58:15,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-06 21:58:15,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264671874]
[2020-11-06 21:58:15,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-06 21:58:15,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:58:15,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-06 21:58:15,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-11-06 21:58:15,326 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 6 states.
[2020-11-06 21:58:15,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:58:15,535 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions.
[2020-11-06 21:58:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-06 21:58:15,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27
[2020-11-06 21:58:15,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:58:15,538 INFO L225 Difference]: With dead ends: 65
[2020-11-06 21:58:15,538 INFO L226 Difference]: Without dead ends: 49
[2020-11-06 21:58:15,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-11-06 21:58:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2020-11-06 21:58:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45.
[2020-11-06 21:58:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states.
[2020-11-06 21:58:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions.
[2020-11-06 21:58:15,550 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 27
[2020-11-06 21:58:15,550 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:58:15,550 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions.
[2020-11-06 21:58:15,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-06 21:58:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions.
[2020-11-06 21:58:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-11-06 21:58:15,552 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:58:15,552 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]
[2020-11-06 21:58:15,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-06 21:58:15,553 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:58:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:58:15,553 INFO L82 PathProgramCache]: Analyzing trace with hash -495261395, now seen corresponding path program 1 times
[2020-11-06 21:58:15,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:58:15,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180204787]
[2020-11-06 21:58:15,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:58:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:58:15,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:58:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:58:15,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:58:15,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-11-06 21:58:15,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-06 21:58:15,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-06 21:58:15,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:58:15 BoogieIcfgContainer
[2020-11-06 21:58:15,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-06 21:58:15,725 INFO L168 Benchmark]: Toolchain (without parser) took 3452.94 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 116.3 MB in the beginning and 155.3 MB in the end (delta: -38.9 MB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,725 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.62 ms. Allocated memory is still 161.5 MB. Free memory was 115.7 MB in the beginning and 105.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,727 INFO L168 Benchmark]: Boogie Preprocessor took 155.30 ms. Allocated memory is still 161.5 MB. Free memory was 105.4 MB in the beginning and 145.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,728 INFO L168 Benchmark]: RCFGBuilder took 789.39 ms. Allocated memory is still 161.5 MB. Free memory was 145.2 MB in the beginning and 125.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,729 INFO L168 Benchmark]: TraceAbstraction took 2121.00 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 125.3 MB in the beginning and 155.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB.
[2020-11-06 21:58:15,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 369.62 ms. Allocated memory is still 161.5 MB. Free memory was 115.7 MB in the beginning and 105.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 155.30 ms. Allocated memory is still 161.5 MB. Free memory was 105.4 MB in the beginning and 145.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 789.39 ms. Allocated memory is still 161.5 MB. Free memory was 145.2 MB in the beginning and 125.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2121.00 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 125.3 MB in the beginning and 155.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someUnaryFLOAToperation at line 67.
Possible FailurePath:
[L66] float x = 0.0f;
[L67] float y = -0.0f;
VAL [x=0]
[L68] CALL, EXPR fmin_float(x, y)
VAL [\old(x)=0, \old(y)=2139095046]
[L38] CALL, EXPR __fpclassify_float(x)
VAL [\old(x)=0]
[L15] __uint32_t w;
VAL [\old(x)=0, x=0]
[L18] ieee_float_shape_type gf_u;
[L19] gf_u.value = (x)
[L20] EXPR gf_u.word
[L20] (w) = gf_u.word
[L23] COND FALSE !(w == 0x00000000 || w == 0x80000000)
VAL [\old(x)=0, w=2139095041, x=0]
[L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) ||
(w >= 0x80800000 && w <= 0xff7fffff))
VAL [\old(x)=0, w=2139095041, x=0]
[L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) ||
(w >= 0x80000001 && w <= 0x807fffff))
VAL [\old(x)=0, w=2139095041, x=0]
[L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000)
[L34] return 0;
VAL [\old(x)=0, \result=0, w=2139095041, x=0]
[L38] RET, EXPR __fpclassify_float(x)
VAL [\old(x)=0, \old(y)=2139095046, __fpclassify_float(x)=0, x=0, y=2139095046]
[L38] COND TRUE __fpclassify_float(x) == 0
[L39] return y;
VAL [\old(x)=0, \old(y)=2139095046, \result=2139095046, x=0, y=2139095046]
[L68] RET, EXPR fmin_float(x, y)
VAL [fmin_float(x, y)=2139095046, x=0, y=2139095046]
[L68] float res = fmin_float(x, y);
[L71] EXPR res == -0.0f && __signbit_float(res) == 1
VAL [res=2139095046, res == -0.0f && __signbit_float(res) == 1=0, x=0, y=2139095046]
[L71] COND TRUE !(res == -0.0f && __signbit_float(res) == 1)
[L72] CALL reach_error()
[L3] __assert_fail("0", "float_req_bl_1232a.c", 3, "reach_error")
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 138 SDtfs, 30 SDslu, 251 SDs, 0 SdLazy, 181 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 5915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...