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-benchs/filter1.c.v+nlh-reducer.c
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This is Ultimate 0.1.24-112bae1
[2019-09-08 01:10:59,791 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-08 01:10:59,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-09-08 01:10:59,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2019-09-08 01:10:59,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-08 01:10:59,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-08 01:10:59,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
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[2019-09-08 01:10:59,887 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
[2019-09-08 01:10:59,905 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-08 01:10:59,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-08 01:10:59,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-08 01:10:59,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-09-08 01:10:59,907 INFO L138 SettingsManager]: * Use SBE=true
[2019-09-08 01:10:59,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-08 01:10:59,907 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-08 01:10:59,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-09-08 01:10:59,908 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-08 01:10:59,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-08 01:10:59,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-08 01:10:59,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-08 01:10:59,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-08 01:10:59,909 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-08 01:10:59,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-08 01:10:59,909 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-09-08 01:10:59,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-08 01:10:59,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-08 01:10:59,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-08 01:10:59,910 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-09-08 01:10:59,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-09-08 01:10:59,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-08 01:10:59,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-08 01:10:59,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-08 01:10:59,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-08 01:10:59,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-09-08 01:10:59,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-08 01:10:59,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-08 01:10:59,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-08 01:10:59,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-08 01:10:59,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-08 01:10:59,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-08 01:10:59,962 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-08 01:10:59,963 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-08 01:10:59,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c
[2019-09-08 01:11:00,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18ac1e94/05d36fe7f14c45f09f147cf377fb353a/FLAGc264b2ebc
[2019-09-08 01:11:00,475 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-08 01:11:00,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c
[2019-09-08 01:11:00,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18ac1e94/05d36fe7f14c45f09f147cf377fb353a/FLAGc264b2ebc
[2019-09-08 01:11:00,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18ac1e94/05d36fe7f14c45f09f147cf377fb353a
[2019-09-08 01:11:00,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-08 01:11:00,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-08 01:11:00,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-08 01:11:00,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-08 01:11:00,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-08 01:11:00,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:00" (1/1) ...
[2019-09-08 01:11:00,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df7aa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:00, skipping insertion in model container
[2019-09-08 01:11:00,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:00" (1/1) ...
[2019-09-08 01:11:00,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-08 01:11:00,923 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-08 01:11:01,193 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-08 01:11:01,204 INFO L188 MainTranslator]: Completed pre-run
[2019-09-08 01:11:01,375 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-08 01:11:01,395 INFO L192 MainTranslator]: Completed translation
[2019-09-08 01:11:01,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01 WrapperNode
[2019-09-08 01:11:01,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-08 01:11:01,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-08 01:11:01,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-08 01:11:01,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-08 01:11:01,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (1/1) ...
[2019-09-08 01:11:01,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-08 01:11:01,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-08 01:11:01,428 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-08 01:11:01,428 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-08 01:11:01,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (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
[2019-09-08 01:11:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-08 01:11:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-08 01:11:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-09-08 01:11:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-08 01:11:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-08 01:11:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-08 01:11:01,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-08 01:11:01,792 INFO L283 CfgBuilder]: Removed 0 assume(true) statements.
[2019-09-08 01:11:01,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:01 BoogieIcfgContainer
[2019-09-08 01:11:01,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-08 01:11:01,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-08 01:11:01,795 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-09-08 01:11:01,798 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-09-08 01:11:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:11:00" (1/3) ...
[2019-09-08 01:11:01,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2f3b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:01, skipping insertion in model container
[2019-09-08 01:11:01,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:01" (2/3) ...
[2019-09-08 01:11:01,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2f3b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:01, skipping insertion in model container
[2019-09-08 01:11:01,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:01" (3/3) ...
[2019-09-08 01:11:01,802 INFO L109 eAbstractionObserver]: Analyzing ICFG filter1.c.v+nlh-reducer.c
[2019-09-08 01:11:01,811 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-08 01:11:01,823 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2019-09-08 01:11:01,847 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2019-09-08 01:11:01,881 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2019-09-08 01:11:01,881 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2019-09-08 01:11:01,882 INFO L378 AbstractCegarLoop]: Hoare is true
[2019-09-08 01:11:01,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-08 01:11:01,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-08 01:11:01,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-08 01:11:01,883 INFO L382 AbstractCegarLoop]: Difference is false
[2019-09-08 01:11:01,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-08 01:11:01,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-08 01:11:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states.
[2019-09-08 01:11:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-09-08 01:11:01,907 INFO L391 BasicCegarLoop]: Found error trace
[2019-09-08 01:11:01,908 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-08 01:11:01,910 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-08 01:11:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-08 01:11:01,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1787958460, now seen corresponding path program 1 times
[2019-09-08 01:11:01,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-08 01:11:01,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-08 01:11:01,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-08 01:11:01,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-08 01:11:01,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-08 01:11:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-08 01:11:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-08 01:11:02,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-08 01:11:02,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-09-08 01:11:02,101 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-09-08 01:11:02,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-09-08 01:11:02,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-09-08 01:11:02,115 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 4 states.
[2019-09-08 01:11:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-08 01:11:02,199 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions.
[2019-09-08 01:11:02,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2019-09-08 01:11:02,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2019-09-08 01:11:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-08 01:11:02,216 INFO L225 Difference]: With dead ends: 66
[2019-09-08 01:11:02,216 INFO L226 Difference]: Without dead ends: 52
[2019-09-08 01:11:02,220 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-09-08 01:11:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2019-09-08 01:11:02,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 36.
[2019-09-08 01:11:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2019-09-08 01:11:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions.
[2019-09-08 01:11:02,260 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 17
[2019-09-08 01:11:02,260 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-08 01:11:02,260 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions.
[2019-09-08 01:11:02,260 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-09-08 01:11:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions.
[2019-09-08 01:11:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-09-08 01:11:02,262 INFO L391 BasicCegarLoop]: Found error trace
[2019-09-08 01:11:02,262 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-08 01:11:02,262 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-08 01:11:02,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-08 01:11:02,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1722328887, now seen corresponding path program 1 times
[2019-09-08 01:11:02,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-08 01:11:02,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-08 01:11:02,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-08 01:11:02,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-08 01:11:02,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-08 01:11:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-09-08 01:11:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-09-08 01:11:02,341 INFO L466 BasicCegarLoop]: Counterexample might be feasible
[2019-09-08 01:11:02,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:11:02 BoogieIcfgContainer
[2019-09-08 01:11:02,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-09-08 01:11:02,379 INFO L168 Benchmark]: Toolchain (without parser) took 1500.58 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 88.4 MB in the beginning and 128.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,380 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.67 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 88.2 MB in the beginning and 176.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,382 INFO L168 Benchmark]: Boogie Preprocessor took 30.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,383 INFO L168 Benchmark]: RCFGBuilder took 365.75 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 157.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,384 INFO L168 Benchmark]: TraceAbstraction took 581.69 ms. Allocated memory is still 200.3 MB. Free memory was 157.0 MB in the beginning and 128.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
[2019-09-08 01:11:02,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 516.67 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 88.2 MB in the beginning and 176.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 30.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 365.75 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 157.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 581.69 ms. Allocated memory is still 200.3 MB. Free memory was 157.0 MB in the beginning and 128.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 54]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of to_real at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172.
Possible FailurePath:
[L1] int __return_main;
[L8] int __tmp_129_0;
[L9] int __tmp_129_1;
[L10] int __tmp_129_2;
[L11] int __tmp_112_0;
[L12] int __return_134;
VAL [\old(__return_134)=3, \old(__return_main)=2, \old(__tmp_112_0)=5, \old(__tmp_129_0)=7, \old(__tmp_129_1)=1, \old(__tmp_129_2)=6, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0]
[L15] double main__E0;
[L16] double main__E1;
[L17] double main__S;
[L18] int main__i;
[L19] main__E1 = 0
[L20] main__S = 0
[L21] main__i = 0
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0]
[L22] COND TRUE main__i <= 1000000
[L24] main__E0 = __VERIFIER_nondet_double()
[L25] int main____CPAchecker_TMP_0;
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__E0=4, main__i=0]
[L26] COND TRUE main__E0 >= -1.0
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__E0=4, main__i=0]
[L28] COND TRUE main__E0 <= 1.0
[L30] main____CPAchecker_TMP_0 = 1
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main__E0=4, main__i=0]
[L31] COND TRUE main____CPAchecker_TMP_0 != 0
[L33] int main____CPAchecker_TMP_1;
[L34] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int()
[L35] COND FALSE !(!(main____CPAchecker_TMP_1 == 0))
[L172] main__S = ((0.999 * main__S) + main__E0) - main__E1
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__E0=4, main__i=0]
[L39] main__E1 = main__E0
[L40] int main____CPAchecker_TMP_2;
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__E0=4, main__E1=4, main__i=0]
[L41] COND FALSE !(main__S >= -10000.0)
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__E0=4, main__E1=4, main__i=0]
[L161] main____CPAchecker_TMP_2 = 0
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main____CPAchecker_TMP_2=0, main__E0=4, main__E1=4, main__i=0]
[L48] int __tmp_1;
[L49] __tmp_1 = main____CPAchecker_TMP_2
[L50] int __VERIFIER_assert__cond;
[L51] __VERIFIER_assert__cond = __tmp_1
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_1=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main____CPAchecker_TMP_2=0, main__E0=4, main__E1=4, main__i=0]
[L52] COND TRUE __VERIFIER_assert__cond == 0
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_1=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main____CPAchecker_TMP_2=0, main__E0=4, main__E1=4, main__i=0]
[L54] __VERIFIER_error()
VAL [\old(__return_134)=0, \old(__tmp_112_0)=0, \old(__tmp_129_0)=0, \old(__tmp_129_1)=0, \old(__tmp_129_2)=0, __return_134=0, __return_main=0, __tmp_1=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main____CPAchecker_TMP_2=0, main__E0=4, main__E1=4, main__i=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 39 locations, 2 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 SDtfs, 28 SDslu, 99 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...