/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 16:17:19,959 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 16:17:19,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 16:17:19,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 16:17:19,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 16:17:19,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 16:17:19,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 16:17:19,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 16:17:19,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 16:17:19,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-08-22 16:17:19,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-08-22 16:17:20,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 16:17:20,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 16:17:20,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 16:17:20,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 16:17:20,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 16:17:20,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 16:17:20,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2020-08-22 16:17:20,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2020-08-22 16:17:20,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 16:17:20,021 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
[2020-08-22 16:17:20,047 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 16:17:20,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 16:17:20,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-22 16:17:20,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-08-22 16:17:20,052 INFO L138 SettingsManager]: * Use SBE=true
[2020-08-22 16:17:20,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 16:17:20,052 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 16:17:20,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 16:17:20,053 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 16:17:20,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 16:17:20,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 16:17:20,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 16:17:20,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 16:17:20,055 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 16:17:20,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 16:17:20,056 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 16:17:20,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 16:17:20,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 16:17:20,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-08-22 16:17:20,058 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 16:17:20,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 16:17:20,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 16:17:20,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 16:17:20,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-08-22 16:17:20,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-22 16:17:20,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-08-22 16:17:20,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-22 16:17:20,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 16:17:20,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-08-22 16:17:20,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-08-22 16:17:20,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 16:17:20,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 16:17:20,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 16:17:20,414 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 16:17:20,414 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 16:17:20,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c
[2020-08-22 16:17:20,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f233737f/f48390622fc8446293028e6c1eb6b11c/FLAGc42f1e7db
[2020-08-22 16:17:21,000 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 16:17:21,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c
[2020-08-22 16:17:21,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f233737f/f48390622fc8446293028e6c1eb6b11c/FLAGc42f1e7db
[2020-08-22 16:17:21,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f233737f/f48390622fc8446293028e6c1eb6b11c
[2020-08-22 16:17:21,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 16:17:21,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 16:17:21,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 16:17:21,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 16:17:21,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 16:17:21,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5545c67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21, skipping insertion in model container
[2020-08-22 16:17:21,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 16:17:21,437 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 16:17:21,633 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 16:17:21,637 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 16:17:21,670 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 16:17:21,769 INFO L208 MainTranslator]: Completed translation
[2020-08-22 16:17:21,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21 WrapperNode
[2020-08-22 16:17:21,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 16:17:21,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 16:17:21,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 16:17:21,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 16:17:21,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (1/1) ...
[2020-08-22 16:17:21,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 16:17:21,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 16:17:21,820 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 16:17:21,820 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 16:17:21,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (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
[2020-08-22 16:17:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 16:17:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 16:17:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double
[2020-08-22 16:17:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double
[2020-08-22 16:17:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double
[2020-08-22 16:17:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double
[2020-08-22 16:17:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 16:17:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 16:17:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2020-08-22 16:17:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double
[2020-08-22 16:17:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double
[2020-08-22 16:17:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-22 16:17:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-08-22 16:17:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 16:17:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 16:17:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double
[2020-08-22 16:17:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double
[2020-08-22 16:17:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 16:17:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 16:17:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 16:17:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-08-22 16:17:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 16:17:22,210 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 16:17:22,210 INFO L295 CfgBuilder]: Removed 4 assume(true) statements.
[2020-08-22 16:17:22,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:17:22 BoogieIcfgContainer
[2020-08-22 16:17:22,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 16:17:22,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 16:17:22,217 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 16:17:22,221 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 16:17:22,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:17:21" (1/3) ...
[2020-08-22 16:17:22,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1a5df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:17:22, skipping insertion in model container
[2020-08-22 16:17:22,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:17:21" (2/3) ...
[2020-08-22 16:17:22,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1a5df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:17:22, skipping insertion in model container
[2020-08-22 16:17:22,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:17:22" (3/3) ...
[2020-08-22 16:17:22,224 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c
[2020-08-22 16:17:22,236 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-08-22 16:17:22,245 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 16:17:22,260 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 16:17:22,302 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 16:17:22,302 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 16:17:22,302 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-08-22 16:17:22,302 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 16:17:22,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 16:17:22,303 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 16:17:22,303 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 16:17:22,303 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 16:17:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states.
[2020-08-22 16:17:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-08-22 16:17:22,332 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 16:17:22,333 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]
[2020-08-22 16:17:22,333 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 16:17:22,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 16:17:22,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1786760399, now seen corresponding path program 1 times
[2020-08-22 16:17:22,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-08-22 16:17:22,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694986092]
[2020-08-22 16:17:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 16:17:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:22,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 16:17:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-22 16:17:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-08-22 16:17:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 16:17:22,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694986092]
[2020-08-22 16:17:22,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 16:17:22,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-22 16:17:22,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507727926]
[2020-08-22 16:17:22,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-22 16:17:22,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-08-22 16:17:22,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-22 16:17:22,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-22 16:17:22,614 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states.
[2020-08-22 16:17:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 16:17:22,843 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions.
[2020-08-22 16:17:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-08-22 16:17:22,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22
[2020-08-22 16:17:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 16:17:22,856 INFO L225 Difference]: With dead ends: 79
[2020-08-22 16:17:22,857 INFO L226 Difference]: Without dead ends: 40
[2020-08-22 16:17:22,867 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
[2020-08-22 16:17:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2020-08-22 16:17:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2020-08-22 16:17:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states.
[2020-08-22 16:17:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions.
[2020-08-22 16:17:22,948 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22
[2020-08-22 16:17:22,949 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 16:17:22,949 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions.
[2020-08-22 16:17:22,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-22 16:17:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions.
[2020-08-22 16:17:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-08-22 16:17:22,952 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 16:17:22,952 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]
[2020-08-22 16:17:22,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 16:17:22,953 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 16:17:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 16:17:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash -952976765, now seen corresponding path program 1 times
[2020-08-22 16:17:22,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-08-22 16:17:22,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466007798]
[2020-08-22 16:17:22,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 16:17:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 16:17:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-22 16:17:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-08-22 16:17:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 16:17:23,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466007798]
[2020-08-22 16:17:23,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 16:17:23,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-22 16:17:23,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104753642]
[2020-08-22 16:17:23,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-22 16:17:23,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-08-22 16:17:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-22 16:17:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-08-22 16:17:23,151 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states.
[2020-08-22 16:17:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 16:17:23,434 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions.
[2020-08-22 16:17:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-08-22 16:17:23,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23
[2020-08-22 16:17:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 16:17:23,439 INFO L225 Difference]: With dead ends: 59
[2020-08-22 16:17:23,439 INFO L226 Difference]: Without dead ends: 44
[2020-08-22 16:17:23,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-08-22 16:17:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2020-08-22 16:17:23,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2020-08-22 16:17:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states.
[2020-08-22 16:17:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions.
[2020-08-22 16:17:23,453 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23
[2020-08-22 16:17:23,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 16:17:23,454 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions.
[2020-08-22 16:17:23,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-22 16:17:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions.
[2020-08-22 16:17:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-08-22 16:17:23,455 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 16:17:23,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 16:17:23,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 16:17:23,456 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 16:17:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 16:17:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1944362408, now seen corresponding path program 1 times
[2020-08-22 16:17:23,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-08-22 16:17:23,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433126147]
[2020-08-22 16:17:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 16:17:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 16:17:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-22 16:17:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-08-22 16:17:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 16:17:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 16:17:23,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433126147]
[2020-08-22 16:17:23,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 16:17:23,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-22 16:17:23,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329481277]
[2020-08-22 16:17:23,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-22 16:17:23,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-08-22 16:17:23,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-22 16:17:23,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-08-22 16:17:23,603 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 6 states.
[2020-08-22 16:17:23,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 16:17:23,809 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions.
[2020-08-22 16:17:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-08-22 16:17:23,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26
[2020-08-22 16:17:23,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 16:17:23,811 INFO L225 Difference]: With dead ends: 63
[2020-08-22 16:17:23,811 INFO L226 Difference]: Without dead ends: 48
[2020-08-22 16:17:23,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-08-22 16:17:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2020-08-22 16:17:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44.
[2020-08-22 16:17:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states.
[2020-08-22 16:17:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions.
[2020-08-22 16:17:23,822 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26
[2020-08-22 16:17:23,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 16:17:23,823 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions.
[2020-08-22 16:17:23,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-22 16:17:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions.
[2020-08-22 16:17:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-08-22 16:17:23,824 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 16:17:23,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 16:17:23,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 16:17:23,825 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 16:17:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 16:17:23,826 INFO L82 PathProgramCache]: Analyzing trace with hash 553653529, now seen corresponding path program 1 times
[2020-08-22 16:17:23,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-08-22 16:17:23,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072141541]
[2020-08-22 16:17:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 16:17:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 16:17:23,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 16:17:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 16:17:23,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 16:17:23,892 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-08-22 16:17:23,892 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 16:17:23,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 16:17:23,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:17:23 BoogieIcfgContainer
[2020-08-22 16:17:23,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 16:17:23,929 INFO L168 Benchmark]: Toolchain (without parser) took 2527.46 ms. Allocated memory was 137.9 MB in the beginning and 230.2 MB in the end (delta: 92.3 MB). Free memory was 101.1 MB in the beginning and 135.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,930 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.11 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 177.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,932 INFO L168 Benchmark]: Boogie Preprocessor took 48.89 ms. Allocated memory is still 199.8 MB. Free memory was 177.5 MB in the beginning and 175.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,933 INFO L168 Benchmark]: RCFGBuilder took 395.95 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 154.8 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,934 INFO L168 Benchmark]: TraceAbstraction took 1709.01 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 154.1 MB in the beginning and 135.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB.
[2020-08-22 16:17:23,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.56 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 368.11 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 177.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 48.89 ms. Allocated memory is still 199.8 MB. Free memory was 177.5 MB in the beginning and 175.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 395.95 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 154.8 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1709.01 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 154.1 MB in the beginning and 135.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 74.
Possible FailurePath:
[L74] double x = -0.0;
[L75] double y = 0.0;
VAL [y=0]
[L76] CALL, EXPR fmin_double(x, y)
VAL [\old(x)=4293918727, \old(y)=0]
[L46] CALL, EXPR __fpclassify_double(x)
VAL [\old(x)=4293918727]
[L19] __uint32_t msw, lsw;
VAL [\old(x)=4293918727, x=4293918727]
[L22] ieee_double_shape_type ew_u;
[L23] ew_u.value = (x)
[L24] EXPR ew_u.parts.msw
[L24] (msw) = ew_u.parts.msw
[L25] EXPR ew_u.parts.lsw
[L25] (lsw) = ew_u.parts.lsw
[L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) ||
(msw == 0x80000000 && lsw == 0x00000000))
VAL [\old(x)=4293918727, lsw=1, msw=4293918721, x=4293918727]
[L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) ||
(msw >= 0x80100000 && msw <= 0xffefffff))
VAL [\old(x)=4293918727, lsw=1, msw=4293918721, x=4293918727]
[L34-L35] COND FALSE !(( msw <= 0x000fffff) ||
(msw >= 0x80000000 && msw <= 0x800fffff))
VAL [\old(x)=4293918727, lsw=1, msw=4293918721, x=4293918727]
[L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) ||
(msw == 0xfff00000 && lsw == 0x00000000))
[L42] return 0;
VAL [\old(x)=4293918727, \result=0, lsw=1, msw=4293918721, x=4293918727]
[L46] RET, EXPR __fpclassify_double(x)
VAL [\old(x)=4293918727, \old(y)=0, __fpclassify_double(x)=0, x=4293918727, y=0]
[L46] COND TRUE __fpclassify_double(x) == 0
[L47] return y;
VAL [\old(x)=4293918727, \old(y)=0, \result=0, x=4293918727, y=0]
[L76] RET, EXPR fmin_double(x, y)
VAL [fmin_double(x, y)=0, x=4293918727, y=0]
[L76] double res = fmin_double(x, y);
[L79] EXPR res == -0.0 && __signbit_double(res) == 1
VAL [res=0, res == -0.0 && __signbit_double(res) == 1=0, x=4293918727, y=0]
[L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1)
[L80] __VERIFIER_error()
VAL [res=0, x=4293918727, y=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 117 SDslu, 43 SDs, 0 SdLazy, 296 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 4170 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...