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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 22:59:00,341 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 22:59:00,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 22:59:00,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 22:59:00,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 22:59:00,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 22:59:00,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 22:59:00,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 22:59:00,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 22:59:00,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 22:59:00,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 22:59:00,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 22:59:00,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 22:59:00,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 22:59:00,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 22:59:00,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 22:59:00,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 22:59:00,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 22:59:00,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 22:59:00,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 22:59:00,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 22:59:00,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 22:59:00,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 22:59:00,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 22:59:00,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 22:59:00,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 22:59:00,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 22:59:00,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 22:59:00,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 22:59:00,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 22:59:00,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 22:59:00,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 22:59:00,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-10-13 22:59:00,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 22:59:00,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-10-13 22:59:00,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 22:59:00,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 22:59:00,426 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
[2019-10-13 22:59:00,452 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 22:59:00,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 22:59:00,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 22:59:00,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 22:59:00,454 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 22:59:00,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 22:59:00,455 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 22:59:00,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 22:59:00,462 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 22:59:00,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 22:59:00,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 22:59:00,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 22:59:00,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 22:59:00,463 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 22:59:00,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 22:59:00,464 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 22:59:00,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 22:59:00,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 22:59:00,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 22:59:00,464 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 22:59:00,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 22:59:00,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 22:59:00,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 22:59:00,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 22:59:00,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 22:59:00,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 22:59:00,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 22:59:00,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 22:59:00,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-13 22:59:00,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 22:59:00,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 22:59:00,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 22:59:00,753 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 22:59:00,754 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 22:59:00,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i
[2019-10-13 22:59:00,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3540b4f/2380267050234190bf74819ab5a845e7/FLAG0299afd79
[2019-10-13 22:59:01,253 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 22:59:01,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i
[2019-10-13 22:59:01,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3540b4f/2380267050234190bf74819ab5a845e7/FLAG0299afd79
[2019-10-13 22:59:01,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3540b4f/2380267050234190bf74819ab5a845e7
[2019-10-13 22:59:01,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 22:59:01,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 22:59:01,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 22:59:01,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 22:59:01,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 22:59:01,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:01,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb6a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01, skipping insertion in model container
[2019-10-13 22:59:01,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:01,710 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 22:59:01,724 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 22:59:01,894 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:59:01,897 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 22:59:01,909 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:59:01,920 INFO L192 MainTranslator]: Completed translation
[2019-10-13 22:59:01,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01 WrapperNode
[2019-10-13 22:59:01,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 22:59:01,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 22:59:01,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 22:59:01,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 22:59:02,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (1/1) ...
[2019-10-13 22:59:02,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 22:59:02,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 22:59:02,043 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 22:59:02,043 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 22:59:02,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (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
[2019-10-13 22:59:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 22:59:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 22:59:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 22:59:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 22:59:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 22:59:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 22:59:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 22:59:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 22:59:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 22:59:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 22:59:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 22:59:02,256 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 22:59:02,257 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-13 22:59:02,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:59:02 BoogieIcfgContainer
[2019-10-13 22:59:02,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 22:59:02,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 22:59:02,259 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 22:59:02,262 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 22:59:02,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:59:01" (1/3) ...
[2019-10-13 22:59:02,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcfb6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:59:02, skipping insertion in model container
[2019-10-13 22:59:02,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:01" (2/3) ...
[2019-10-13 22:59:02,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcfb6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:59:02, skipping insertion in model container
[2019-10-13 22:59:02,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:59:02" (3/3) ...
[2019-10-13 22:59:02,265 INFO L109 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.i
[2019-10-13 22:59:02,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 22:59:02,281 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 22:59:02,292 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 22:59:02,316 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 22:59:02,316 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 22:59:02,316 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 22:59:02,317 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 22:59:02,317 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 22:59:02,317 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 22:59:02,317 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 22:59:02,317 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 22:59:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states.
[2019-10-13 22:59:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2019-10-13 22:59:02,336 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:02,336 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:02,338 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash 599047097, now seen corresponding path program 1 times
[2019-10-13 22:59:02,348 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:02,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479059148]
[2019-10-13 22:59:02,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:02,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:02,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:02,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479059148]
[2019-10-13 22:59:02,468 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:59:02,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 22:59:02,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103062520]
[2019-10-13 22:59:02,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 22:59:02,472 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:02,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 22:59:02,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 22:59:02,485 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states.
[2019-10-13 22:59:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:02,538 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions.
[2019-10-13 22:59:02,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 22:59:02,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2019-10-13 22:59:02,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:02,549 INFO L225 Difference]: With dead ends: 32
[2019-10-13 22:59:02,550 INFO L226 Difference]: Without dead ends: 13
[2019-10-13 22:59:02,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 22:59:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2019-10-13 22:59:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2019-10-13 22:59:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2019-10-13 22:59:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions.
[2019-10-13 22:59:02,615 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11
[2019-10-13 22:59:02,615 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:02,616 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions.
[2019-10-13 22:59:02,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 22:59:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2019-10-13 22:59:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2019-10-13 22:59:02,617 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:02,617 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:02,617 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:02,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:02,618 INFO L82 PathProgramCache]: Analyzing trace with hash 705782190, now seen corresponding path program 1 times
[2019-10-13 22:59:02,618 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:02,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58679302]
[2019-10-13 22:59:02,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:02,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:02,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:02,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58679302]
[2019-10-13 22:59:02,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307335488]
[2019-10-13 22:59:02,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:02,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core
[2019-10-13 22:59:02,916 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 22:59:03,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 22:59:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:03,146 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 22:59:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:03,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1576635295]
[2019-10-13 22:59:03,272 INFO L162 IcfgInterpreter]: Started Sifa with 12 locations of interest
[2019-10-13 22:59:03,273 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-13 22:59:03,300 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-13 22:59:03,315 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-13 22:59:03,316 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-13 22:59:03,395 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs
[2019-10-13 22:59:03,802 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs
[2019-10-13 22:59:03,831 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs
[2019-10-13 22:59:03,835 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-10-13 22:59:03,835 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-13 22:59:03,836 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true
[2019-10-13 22:59:03,836 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true
[2019-10-13 22:59:03,836 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 124#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))
[2019-10-13 22:59:03,837 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 133#true
[2019-10-13 22:59:03,837 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true
[2019-10-13 22:59:03,837 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 128#true
[2019-10-13 22:59:03,838 INFO L193 IcfgInterpreter]: Reachable states at location L16-3 satisfy 104#(and (<= main_~hi~0 2000000) (not (< 0 main_~mid~0)) (<= main_~mid~0 1000000) (<= 0 main_~lo~0) (<= main_~mid~0 0) (<= 0 (+ main_~mid~0 1)))
[2019-10-13 22:59:03,838 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 119#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))
[2019-10-13 22:59:03,839 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 109#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)))
[2019-10-13 22:59:03,839 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= main_~lo~0 0) (= 0 main_~lo~0) (<= main_~mid~0 2147483647) (<= 0 (+ main_~mid~0 2147483648)) (<= 0 main_~lo~0))
[2019-10-13 22:59:03,839 INFO L193 IcfgInterpreter]: Reachable states at location L16-2 satisfy 99#(or (and (<= main_~hi~0 2000000) (<= main_~mid~0 1000000) (<= 0 main_~lo~0) (<= 0 (+ main_~mid~0 1))) (and (<= main_~lo~0 0) (<= main_~hi~0 2000000) (<= 0 main_~mid~0) (= 0 main_~lo~0) (<= main_~mid~0 1000000) (<= 0 main_~hi~0) (<= main_~mid~0 2147483647) (< 0 main_~mid~0) (<= 0 (+ main_~mid~0 2147483648)) (<= 0 main_~lo~0) (= (* main_~mid~0 2) main_~hi~0)))
[2019-10-13 22:59:03,840 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 114#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))))
[2019-10-13 22:59:04,072 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences.
[2019-10-13 22:59:04,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 7] total 21
[2019-10-13 22:59:04,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450738556]
[2019-10-13 22:59:04,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states
[2019-10-13 22:59:04,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2019-10-13 22:59:04,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420
[2019-10-13 22:59:04,078 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 21 states.
[2019-10-13 22:59:04,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:04,299 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions.
[2019-10-13 22:59:04,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2019-10-13 22:59:04,301 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 12
[2019-10-13 22:59:04,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:04,302 INFO L225 Difference]: With dead ends: 19
[2019-10-13 22:59:04,302 INFO L226 Difference]: Without dead ends: 14
[2019-10-13 22:59:04,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600
[2019-10-13 22:59:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2019-10-13 22:59:04,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2019-10-13 22:59:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2019-10-13 22:59:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2019-10-13 22:59:04,311 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12
[2019-10-13 22:59:04,311 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:04,311 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2019-10-13 22:59:04,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states.
[2019-10-13 22:59:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2019-10-13 22:59:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-10-13 22:59:04,319 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:04,320 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:04,529 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:04,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:04,531 INFO L82 PathProgramCache]: Analyzing trace with hash -280397223, now seen corresponding path program 2 times
[2019-10-13 22:59:04,531 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:04,532 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919540260]
[2019-10-13 22:59:04,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:04,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:04,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 22:59:04,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919540260]
[2019-10-13 22:59:04,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484916044]
[2019-10-13 22:59:04,656 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:04,705 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2019-10-13 22:59:04,707 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat
[2019-10-13 22:59:04,710 WARN L254 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 23 conjunts are in the unsatisfiable core
[2019-10-13 22:59:04,712 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 22:59:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:04,887 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 22:59:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:04,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1300768467]
[2019-10-13 22:59:04,990 INFO L162 IcfgInterpreter]: Started Sifa with 12 locations of interest
[2019-10-13 22:59:04,990 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-13 22:59:04,991 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-13 22:59:04,991 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-13 22:59:04,991 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-13 22:59:05,010 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs
[2019-10-13 22:59:05,174 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs
[2019-10-13 22:59:05,195 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs
[2019-10-13 22:59:05,199 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-10-13 22:59:05,199 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-13 22:59:05,200 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true
[2019-10-13 22:59:05,200 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true
[2019-10-13 22:59:05,200 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 124#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))
[2019-10-13 22:59:05,201 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 133#true
[2019-10-13 22:59:05,201 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true
[2019-10-13 22:59:05,201 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 128#true
[2019-10-13 22:59:05,202 INFO L193 IcfgInterpreter]: Reachable states at location L16-3 satisfy 104#(and (<= main_~hi~0 2000000) (not (< 0 main_~mid~0)) (<= main_~mid~0 1000000) (<= 0 main_~lo~0) (<= main_~mid~0 0) (<= 0 (+ main_~mid~0 1)))
[2019-10-13 22:59:05,202 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 119#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))
[2019-10-13 22:59:05,202 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 109#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)))
[2019-10-13 22:59:05,202 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= main_~lo~0 0) (= 0 main_~lo~0) (<= main_~mid~0 2147483647) (<= 0 (+ main_~mid~0 2147483648)) (<= 0 main_~lo~0))
[2019-10-13 22:59:05,203 INFO L193 IcfgInterpreter]: Reachable states at location L16-2 satisfy 99#(or (and (<= main_~hi~0 2000000) (<= main_~mid~0 1000000) (<= 0 main_~lo~0) (<= 0 (+ main_~mid~0 1))) (and (<= main_~lo~0 0) (<= main_~hi~0 2000000) (<= 0 main_~mid~0) (= 0 main_~lo~0) (<= main_~mid~0 1000000) (<= 0 main_~hi~0) (<= main_~mid~0 2147483647) (< 0 main_~mid~0) (<= 0 (+ main_~mid~0 2147483648)) (<= 0 main_~lo~0) (= (* main_~mid~0 2) main_~hi~0)))
[2019-10-13 22:59:05,203 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 114#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))))
[2019-10-13 22:59:05,431 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences.
[2019-10-13 22:59:05,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9, 7] total 23
[2019-10-13 22:59:05,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879294221]
[2019-10-13 22:59:05,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states
[2019-10-13 22:59:05,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:05,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2019-10-13 22:59:05,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506
[2019-10-13 22:59:05,435 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 23 states.
[2019-10-13 22:59:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:05,739 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions.
[2019-10-13 22:59:05,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2019-10-13 22:59:05,739 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 13
[2019-10-13 22:59:05,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:05,740 INFO L225 Difference]: With dead ends: 16
[2019-10-13 22:59:05,740 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 22:59:05,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870
[2019-10-13 22:59:05,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 22:59:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 22:59:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 22:59:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 22:59:05,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2019-10-13 22:59:05,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:05,742 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 22:59:05,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states.
[2019-10-13 22:59:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 22:59:05,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 22:59:05,943 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:05,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 22:59:06,056 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2019-10-13 22:59:06,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:06,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:06,057 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 22:59:06,057 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 22:59:06,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:06,057 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 23) the Hoare annotation is: true
[2019-10-13 22:59:06,057 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 23) no Hoare annotation was computed.
[2019-10-13 22:59:06,057 INFO L443 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed.
[2019-10-13 22:59:06,057 INFO L443 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed.
[2019-10-13 22:59:06,058 INFO L439 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (let ((.cse0 (+ (* 2 main_~mid~0) main_~lo~0))) (and (<= .cse0 main_~hi~0) (<= main_~hi~0 2000000) (<= main_~hi~0 .cse0) (<= 0 main_~lo~0) (<= main_~lo~0 main_~hi~0)))
[2019-10-13 22:59:06,058 INFO L439 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (and (<= main_~hi~0 2000000) (<= main_~hi~0 (+ (* 2 main_~mid~0) main_~lo~0)) (<= 0 main_~lo~0) (<= main_~mid~0 0) (<= main_~lo~0 main_~hi~0))
[2019-10-13 22:59:06,059 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 23) no Hoare annotation was computed.
[2019-10-13 22:59:06,059 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2019-10-13 22:59:06,059 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2019-10-13 22:59:06,059 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2019-10-13 22:59:06,059 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed.
[2019-10-13 22:59:06,059 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2019-10-13 22:59:06,060 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2019-10-13 22:59:06,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:59:06 BoogieIcfgContainer
[2019-10-13 22:59:06,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 22:59:06,096 INFO L168 Benchmark]: Toolchain (without parser) took 4400.63 ms. Allocated memory was 145.2 MB in the beginning and 244.8 MB in the end (delta: 99.6 MB). Free memory was 101.8 MB in the beginning and 208.8 MB in the end (delta: -107.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,097 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.88 ms. Allocated memory is still 145.2 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,099 INFO L168 Benchmark]: Boogie Preprocessor took 121.29 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.3 MB in the beginning and 181.7 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,102 INFO L168 Benchmark]: RCFGBuilder took 215.13 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 170.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,103 INFO L168 Benchmark]: TraceAbstraction took 3834.63 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 170.3 MB in the beginning and 208.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:06,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 225.88 ms. Allocated memory is still 145.2 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 121.29 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.3 MB in the beginning and 181.7 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 215.13 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 170.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3834.63 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 170.3 MB in the beginning and 208.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: (((2 * mid + lo <= hi && hi <= 2000000) && hi <= 2 * mid + lo) && 0 <= lo) && lo <= hi
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 32 SDtfs, 25 SDslu, 147 SDs, 0 SdLazy, 153 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 46 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 49 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 5189 SizeOfPredicates, 8 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 781, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 48, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 53, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 11, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 58, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 383, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 165, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 436, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 433, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 124, DAG_COMPRESSION_RETAINED_NODES: 86, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...