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/jm2006_variant.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 22:59:19,283 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 22:59:19,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 22:59:19,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 22:59:19,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 22:59:19,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 22:59:19,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 22:59:19,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 22:59:19,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 22:59:19,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 22:59:19,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 22:59:19,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 22:59:19,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 22:59:19,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 22:59:19,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 22:59:19,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 22:59:19,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 22:59:19,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 22:59:19,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 22:59:19,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 22:59:19,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 22:59:19,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 22:59:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 22:59:19,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 22:59:19,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 22:59:19,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 22:59:19,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 22:59:19,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 22:59:19,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 22:59:19,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 22:59:19,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 22:59:19,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 22:59:19,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-10-13 22:59:19,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 22:59:19,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-10-13 22:59:19,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 22:59:19,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 22:59:19,331 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 22:59:19,345 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 22:59:19,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 22:59:19,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 22:59:19,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 22:59:19,347 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 22:59:19,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 22:59:19,348 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 22:59:19,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 22:59:19,348 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 22:59:19,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 22:59:19,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 22:59:19,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 22:59:19,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 22:59:19,349 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 22:59:19,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 22:59:19,349 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 22:59:19,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 22:59:19,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 22:59:19,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 22:59:19,350 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 22:59:19,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 22:59:19,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 22:59:19,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 22:59:19,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 22:59:19,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 22:59:19,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 22:59:19,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 22:59:19,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 22:59:19,352 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 22:59:19,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 22:59:19,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 22:59:19,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 22:59:19,678 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 22:59:19,678 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 22:59:19,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2019-10-13 22:59:19,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cba11c24/37c4b174b0094863ae6496329738ae21/FLAG2b6f3d8d6
[2019-10-13 22:59:20,209 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 22:59:20,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2019-10-13 22:59:20,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cba11c24/37c4b174b0094863ae6496329738ae21/FLAG2b6f3d8d6
[2019-10-13 22:59:20,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cba11c24/37c4b174b0094863ae6496329738ae21
[2019-10-13 22:59:20,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 22:59:20,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 22:59:20,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 22:59:20,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 22:59:20,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 22:59:20,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae1fd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20, skipping insertion in model container
[2019-10-13 22:59:20,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 22:59:20,625 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 22:59:20,818 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:59:20,822 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 22:59:20,839 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 22:59:20,854 INFO L192 MainTranslator]: Completed translation
[2019-10-13 22:59:20,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20 WrapperNode
[2019-10-13 22:59:20,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 22:59:20,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 22:59:20,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 22:59:20,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 22:59:20,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (1/1) ...
[2019-10-13 22:59:20,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 22:59:20,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 22:59:20,968 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 22:59:20,968 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 22:59:20,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (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 22:59:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 22:59:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 22:59:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 22:59:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 22:59:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 22:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 22:59:21,235 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 22:59:21,235 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-13 22:59:21,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:59:21 BoogieIcfgContainer
[2019-10-13 22:59:21,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 22:59:21,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 22:59:21,249 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 22:59:21,257 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 22:59:21,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:59:20" (1/3) ...
[2019-10-13 22:59:21,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddc4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:59:21, skipping insertion in model container
[2019-10-13 22:59:21,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:59:20" (2/3) ...
[2019-10-13 22:59:21,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddc4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:59:21, skipping insertion in model container
[2019-10-13 22:59:21,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:59:21" (3/3) ...
[2019-10-13 22:59:21,262 INFO L109 eAbstractionObserver]: Analyzing ICFG jm2006_variant.i
[2019-10-13 22:59:21,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 22:59:21,284 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 22:59:21,298 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 22:59:21,332 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 22:59:21,332 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 22:59:21,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 22:59:21,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 22:59:21,333 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 22:59:21,333 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 22:59:21,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 22:59:21,333 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 22:59:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states.
[2019-10-13 22:59:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-10-13 22:59:21,382 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:21,384 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:21,386 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash -856020882, now seen corresponding path program 1 times
[2019-10-13 22:59:21,400 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:21,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894934215]
[2019-10-13 22:59:21,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:21,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:21,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:21,737 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21
[2019-10-13 22:59:21,852 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 22:59:21,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894934215]
[2019-10-13 22:59:21,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 22:59:21,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 22:59:21,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818387644]
[2019-10-13 22:59:21,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 22:59:21,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:21,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 22:59:21,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 22:59:21,879 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 7 states.
[2019-10-13 22:59:22,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:22,113 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions.
[2019-10-13 22:59:22,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-10-13 22:59:22,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13
[2019-10-13 22:59:22,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:22,124 INFO L225 Difference]: With dead ends: 43
[2019-10-13 22:59:22,124 INFO L226 Difference]: Without dead ends: 15
[2019-10-13 22:59:22,128 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2019-10-13 22:59:22,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2019-10-13 22:59:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2019-10-13 22:59:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2019-10-13 22:59:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2019-10-13 22:59:22,169 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13
[2019-10-13 22:59:22,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:22,170 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2019-10-13 22:59:22,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 22:59:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2019-10-13 22:59:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2019-10-13 22:59:22,171 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:22,172 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:22,172 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:22,173 INFO L82 PathProgramCache]: Analyzing trace with hash -954924099, now seen corresponding path program 1 times
[2019-10-13 22:59:22,173 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:22,173 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015424914]
[2019-10-13 22:59:22,174 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:22,174 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:22,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:22,375 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 22:59:22,375 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015424914]
[2019-10-13 22:59:22,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191711920]
[2019-10-13 22:59:22,376 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 22:59:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:22,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 22 conjunts are in the unsatisfiable core
[2019-10-13 22:59:22,447 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 22:59:22,598 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 22:59:22,598 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 22:59:22,704 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 22:59:22,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1128305334]
[2019-10-13 22:59:22,732 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest
[2019-10-13 22:59:22,732 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-13 22:59:22,757 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-13 22:59:22,771 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-13 22:59:22,772 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-13 22:59:22,875 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs
[2019-10-13 22:59:23,253 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs
[2019-10-13 22:59:23,286 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs
[2019-10-13 22:59:23,291 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-10-13 22:59:23,291 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-13 22:59:23,292 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 115#true
[2019-10-13 22:59:23,292 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= main_~i~0 2147483647) (<= 0 (+ main_~i~0 2147483648)) (<= 0 (+ main_~j~0 2147483648)) (<= main_~j~0 2147483647))
[2019-10-13 22:59:23,293 INFO L193 IcfgInterpreter]: Reachable states at location L25 satisfy 91#(and (<= 0 main_~j~0) (= main_~i~0 main_~j~0) (<= 0 main_~i~0) (= main_~x~0 0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 1000000) (<= main_~j~0 2147483647) (<= main_~x~0 0) (<= 0 main_~x~0))
[2019-10-13 22:59:23,293 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 101#(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 22:59:23,293 INFO L193 IcfgInterpreter]: Reachable states at location L15 satisfy 43#(and (<= main_~i~0 2147483647) (<= 0 main_~i~0) (<= 0 (+ main_~i~0 2147483648)) (<= main_~i~0 1000000) (<= 0 (+ main_~j~0 2147483648)) (<= main_~j~0 2147483647))
[2019-10-13 22:59:23,294 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 111#(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 22:59:23,295 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 86#(and (<= 0 main_~j~0) (<= 0 main_~i~0) (= main_~x~0 0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 2147483647) (<= main_~x~0 0) (<= 0 main_~x~0))
[2019-10-13 22:59:23,295 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true
[2019-10-13 22:59:23,295 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true
[2019-10-13 22:59:23,296 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 120#true
[2019-10-13 22:59:23,296 INFO L193 IcfgInterpreter]: Reachable states at location L19-2 satisfy 81#(and (<= 0 main_~j~0) (<= 0 main_~i~0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 2147483647))
[2019-10-13 22:59:23,297 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true
[2019-10-13 22:59:23,297 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 106#(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 22:59:23,298 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 96#(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| 0) (= |__VERIFIER_assert_#in~cond| 1)))
[2019-10-13 22:59:23,657 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences.
[2019-10-13 22:59:23,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 9] total 25
[2019-10-13 22:59:23,658 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786683906]
[2019-10-13 22:59:23,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states
[2019-10-13 22:59:23,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:23,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2019-10-13 22:59:23,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600
[2019-10-13 22:59:23,665 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 25 states.
[2019-10-13 22:59:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:24,164 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions.
[2019-10-13 22:59:24,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2019-10-13 22:59:24,164 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 14
[2019-10-13 22:59:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:24,165 INFO L225 Difference]: With dead ends: 26
[2019-10-13 22:59:24,166 INFO L226 Difference]: Without dead ends: 18
[2019-10-13 22:59:24,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122
[2019-10-13 22:59:24,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2019-10-13 22:59:24,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2019-10-13 22:59:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2019-10-13 22:59:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2019-10-13 22:59:24,173 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14
[2019-10-13 22:59:24,173 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:24,173 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2019-10-13 22:59:24,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states.
[2019-10-13 22:59:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2019-10-13 22:59:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-10-13 22:59:24,174 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 22:59:24,174 INFO L380 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 22:59:24,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:24,388 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 22:59:24,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 22:59:24,388 INFO L82 PathProgramCache]: Analyzing trace with hash -360840146, now seen corresponding path program 2 times
[2019-10-13 22:59:24,389 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 22:59:24,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254057669]
[2019-10-13 22:59:24,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:24,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 22:59:24,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 22:59:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 22:59:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 22:59:24,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254057669]
[2019-10-13 22:59:24,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435167036]
[2019-10-13 22:59:24,574 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 22:59:24,617 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2019-10-13 22:59:24,618 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat
[2019-10-13 22:59:24,619 WARN L254 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 40 conjunts are in the unsatisfiable core
[2019-10-13 22:59:24,621 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 22:59:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:24,781 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 22:59:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 22:59:24,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1897006463]
[2019-10-13 22:59:24,971 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest
[2019-10-13 22:59:24,971 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-13 22:59:24,972 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-13 22:59:24,972 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-13 22:59:24,972 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-13 22:59:24,989 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs
[2019-10-13 22:59:25,103 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs
[2019-10-13 22:59:25,121 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs
[2019-10-13 22:59:25,123 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-10-13 22:59:25,124 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-13 22:59:25,124 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 115#true
[2019-10-13 22:59:25,124 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= main_~i~0 2147483647) (<= 0 (+ main_~i~0 2147483648)) (<= 0 (+ main_~j~0 2147483648)) (<= main_~j~0 2147483647))
[2019-10-13 22:59:25,124 INFO L193 IcfgInterpreter]: Reachable states at location L25 satisfy 91#(and (<= 0 main_~j~0) (= main_~i~0 main_~j~0) (<= 0 main_~i~0) (= main_~x~0 0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 1000000) (<= main_~j~0 2147483647) (<= main_~x~0 0) (<= 0 main_~x~0))
[2019-10-13 22:59:25,125 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 101#(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 22:59:25,125 INFO L193 IcfgInterpreter]: Reachable states at location L15 satisfy 43#(and (<= main_~i~0 2147483647) (<= 0 main_~i~0) (<= 0 (+ main_~i~0 2147483648)) (<= main_~i~0 1000000) (<= 0 (+ main_~j~0 2147483648)) (<= main_~j~0 2147483647))
[2019-10-13 22:59:25,125 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 111#(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 22:59:25,126 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 86#(and (<= 0 main_~j~0) (<= 0 main_~i~0) (= main_~x~0 0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 2147483647) (<= main_~x~0 0) (<= 0 main_~x~0))
[2019-10-13 22:59:25,126 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true
[2019-10-13 22:59:25,126 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true
[2019-10-13 22:59:25,126 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 120#true
[2019-10-13 22:59:25,126 INFO L193 IcfgInterpreter]: Reachable states at location L19-2 satisfy 81#(and (<= 0 main_~j~0) (<= 0 main_~i~0) (<= main_~i~0 1000000) (<= main_~y~0 2147483647) (<= main_~x~0 1000000) (<= 0 main_~z~0) (<= main_~j~0 2147483647))
[2019-10-13 22:59:25,127 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true
[2019-10-13 22:59:25,127 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 106#(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 22:59:25,127 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 96#(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 22:59:25,491 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences.
[2019-10-13 22:59:25,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11, 9] total 33
[2019-10-13 22:59:25,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283285024]
[2019-10-13 22:59:25,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states
[2019-10-13 22:59:25,493 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 22:59:25,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2019-10-13 22:59:25,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056
[2019-10-13 22:59:25,494 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 33 states.
[2019-10-13 22:59:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 22:59:26,139 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2019-10-13 22:59:26,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2019-10-13 22:59:26,148 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 17
[2019-10-13 22:59:26,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 22:59:26,148 INFO L225 Difference]: With dead ends: 21
[2019-10-13 22:59:26,148 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 22:59:26,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=332, Invalid=1560, Unknown=0, NotChecked=0, Total=1892
[2019-10-13 22:59:26,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 22:59:26,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 22:59:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 22:59:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 22:59:26,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2019-10-13 22:59:26,153 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 22:59:26,153 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 22:59:26,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states.
[2019-10-13 22:59:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 22:59:26,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 22:59:26,354 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 22:59:26,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 22:59:26,525 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2019-10-13 22:59:26,525 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:26,525 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:26,525 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 22:59:26,525 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 22:59:26,525 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 22:59:26,526 INFO L439 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (let ((.cse2 (+ main_~y~0 main_~z~0))) (let ((.cse0 (<= .cse2 0)) (.cse1 (<= 0 .cse2))) (or (and (= main_~i~0 main_~x~0) .cse0 .cse1 (= main_~i~0 0)) (and (= main_~i~0 main_~j~0) (<= 0 main_~i~0) (<= 0 main_~z~0) (<= main_~j~0 1000000) .cse0 .cse1 (<= main_~x~0 0) (<= 0 main_~x~0)))))
[2019-10-13 22:59:26,526 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed.
[2019-10-13 22:59:26,526 INFO L439 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (let ((.cse1 (+ main_~i~0 main_~y~0 main_~z~0)) (.cse0 (+ main_~x~0 main_~j~0))) (and (<= 0 main_~j~0) (<= .cse0 .cse1) (<= 0 main_~i~0) (<= main_~y~0 2147483647) (<= main_~i~0 1000000) (<= 0 main_~z~0) (<= .cse1 .cse0) (<= main_~x~0 1000000) (<= main_~j~0 2147483647)))
[2019-10-13 22:59:26,526 INFO L443 ceAbstractionStarter]: For program point L19-3(lines 10 28) no Hoare annotation was computed.
[2019-10-13 22:59:26,526 INFO L443 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed.
[2019-10-13 22:59:26,527 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed.
[2019-10-13 22:59:26,527 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 28) the Hoare annotation is: true
[2019-10-13 22:59:26,527 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed.
[2019-10-13 22:59:26,527 INFO L443 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed.
[2019-10-13 22:59:26,528 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2019-10-13 22:59:26,529 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2019-10-13 22:59:26,529 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2019-10-13 22:59:26,529 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed.
[2019-10-13 22:59:26,529 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2019-10-13 22:59:26,529 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2019-10-13 22:59:26,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:59:26 BoogieIcfgContainer
[2019-10-13 22:59:26,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 22:59:26,568 INFO L168 Benchmark]: Toolchain (without parser) took 5973.11 ms. Allocated memory was 136.3 MB in the beginning and 291.5 MB in the end (delta: 155.2 MB). Free memory was 101.7 MB in the beginning and 181.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,569 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.40 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 92.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,571 INFO L168 Benchmark]: Boogie Preprocessor took 112.80 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 180.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,574 INFO L168 Benchmark]: RCFGBuilder took 269.67 ms. Allocated memory is still 200.3 MB. Free memory was 180.5 MB in the beginning and 167.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,578 INFO L168 Benchmark]: TraceAbstraction took 5315.19 ms. Allocated memory was 200.3 MB in the beginning and 291.5 MB in the end (delta: 91.2 MB). Free memory was 166.7 MB in the beginning and 181.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB.
[2019-10-13 22:59:26,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 261.40 ms. Allocated memory is still 136.3 MB. Free memory was 101.4 MB in the beginning and 92.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 112.80 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 180.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 269.67 ms. Allocated memory is still 200.3 MB. Free memory was 180.5 MB in the beginning and 167.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5315.19 ms. Allocated memory was 200.3 MB in the beginning and 291.5 MB in the end (delta: 91.2 MB). Free memory was 166.7 MB in the beginning and 181.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 76.5 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: 19]: Loop Invariant
Derived loop invariant: (((((((0 <= j && x + j <= i + y + z) && 0 <= i) && y <= 2147483647) && i <= 1000000) && 0 <= z) && i + y + z <= x + j) && x <= 1000000) && j <= 2147483647
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 21 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 36 SDtfs, 103 SDslu, 247 SDs, 0 SdLazy, 323 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 11 PreInvPairs, 20 NumberOfFragments, 90 HoareAnnotationTreeSize, 11 FomulaSimplifications, 49 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 300 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 10353 SizeOfPredicates, 14 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/33 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 723, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 48, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 17, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 54, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 389, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 122, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 289, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 286, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, 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]: 8, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 152, DAG_COMPRESSION_RETAINED_NODES: 94, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...