./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label21_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem10_label21_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9affa82f51321a26e1ff4ceb2134487588896d81 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 22:21:09,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 22:21:09,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 22:21:09,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 22:21:09,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 22:21:09,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 22:21:09,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 22:21:09,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 22:21:09,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 22:21:09,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 22:21:09,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 22:21:09,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 22:21:09,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 22:21:09,692 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 22:21:09,693 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 22:21:09,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 22:21:09,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 22:21:09,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 22:21:09,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 22:21:09,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 22:21:09,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 22:21:09,702 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 22:21:09,705 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 22:21:09,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 22:21:09,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 22:21:09,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 22:21:09,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 22:21:09,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 22:21:09,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 22:21:09,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 22:21:09,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 22:21:09,711 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 22:21:09,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 22:21:09,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 22:21:09,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 22:21:09,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 22:21:09,714 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 22:21:09,732 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 22:21:09,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 22:21:09,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 22:21:09,734 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 22:21:09,734 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 22:21:09,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 22:21:09,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 22:21:09,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 22:21:09,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 22:21:09,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 22:21:09,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 22:21:09,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 22:21:09,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 22:21:09,736 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 22:21:09,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 22:21:09,736 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 22:21:09,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 22:21:09,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 22:21:09,736 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 22:21:09,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 22:21:09,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 22:21:09,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:21:09,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 22:21:09,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 22:21:09,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 22:21:09,738 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 22:21:09,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 22:21:09,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 22:21:09,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9affa82f51321a26e1ff4ceb2134487588896d81 [2018-12-30 22:21:09,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 22:21:09,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 22:21:09,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 22:21:09,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 22:21:09,800 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 22:21:09,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-12-30 22:21:09,862 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a431d2c88/127ac2e8e2424fc59bb416e498f7d1a3/FLAG0fc6dd4fd [2018-12-30 22:21:10,421 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 22:21:10,422 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-12-30 22:21:10,444 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a431d2c88/127ac2e8e2424fc59bb416e498f7d1a3/FLAG0fc6dd4fd [2018-12-30 22:21:10,644 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a431d2c88/127ac2e8e2424fc59bb416e498f7d1a3 [2018-12-30 22:21:10,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 22:21:10,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 22:21:10,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 22:21:10,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 22:21:10,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 22:21:10,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:21:10" (1/1) ... [2018-12-30 22:21:10,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2daaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:10, skipping insertion in model container [2018-12-30 22:21:10,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:21:10" (1/1) ... [2018-12-30 22:21:10,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 22:21:10,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 22:21:11,221 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:21:11,235 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 22:21:11,412 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:21:11,433 INFO L195 MainTranslator]: Completed translation [2018-12-30 22:21:11,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11 WrapperNode [2018-12-30 22:21:11,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 22:21:11,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 22:21:11,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 22:21:11,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 22:21:11,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 22:21:11,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 22:21:11,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 22:21:11,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 22:21:11,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (1/1) ... [2018-12-30 22:21:11,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 22:21:11,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 22:21:11,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 22:21:11,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 22:21:11,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (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 [2018-12-30 22:21:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 22:21:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 22:21:14,827 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 22:21:14,828 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 22:21:14,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:14 BoogieIcfgContainer [2018-12-30 22:21:14,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 22:21:14,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 22:21:14,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 22:21:14,833 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 22:21:14,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 10:21:10" (1/3) ... [2018-12-30 22:21:14,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0d946a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:21:14, skipping insertion in model container [2018-12-30 22:21:14,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:11" (2/3) ... [2018-12-30 22:21:14,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0d946a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:21:14, skipping insertion in model container [2018-12-30 22:21:14,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:14" (3/3) ... [2018-12-30 22:21:14,837 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label21_true-unreach-call.c [2018-12-30 22:21:14,847 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 22:21:14,855 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 22:21:14,869 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 22:21:14,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 22:21:14,910 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 22:21:14,911 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 22:21:14,911 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 22:21:14,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 22:21:14,911 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 22:21:14,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 22:21:14,912 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 22:21:14,912 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 22:21:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2018-12-30 22:21:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-30 22:21:14,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:14,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:14,946 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:14,952 INFO L82 PathProgramCache]: Analyzing trace with hash -438767135, now seen corresponding path program 1 times [2018-12-30 22:21:14,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:14,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:15,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:15,352 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-12-30 22:21:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:15,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:15,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:21:15,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:15,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:15,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:15,388 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2018-12-30 22:21:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:18,445 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2018-12-30 22:21:18,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:18,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-12-30 22:21:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:18,467 INFO L225 Difference]: With dead ends: 709 [2018-12-30 22:21:18,467 INFO L226 Difference]: Without dead ends: 421 [2018-12-30 22:21:18,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:18,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-30 22:21:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2018-12-30 22:21:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-12-30 22:21:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2018-12-30 22:21:18,539 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 27 [2018-12-30 22:21:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:18,540 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2018-12-30 22:21:18,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2018-12-30 22:21:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-30 22:21:18,544 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:18,544 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:18,545 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:18,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:18,545 INFO L82 PathProgramCache]: Analyzing trace with hash 627278334, now seen corresponding path program 1 times [2018-12-30 22:21:18,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:18,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:18,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:18,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:18,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:21:18,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:18,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:18,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:18,900 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2018-12-30 22:21:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:20,357 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2018-12-30 22:21:20,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:20,363 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-30 22:21:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:20,369 INFO L225 Difference]: With dead ends: 1118 [2018-12-30 22:21:20,369 INFO L226 Difference]: Without dead ends: 838 [2018-12-30 22:21:20,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-12-30 22:21:20,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2018-12-30 22:21:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2018-12-30 22:21:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1130 transitions. [2018-12-30 22:21:20,424 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1130 transitions. Word has length 97 [2018-12-30 22:21:20,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:20,425 INFO L480 AbstractCegarLoop]: Abstraction has 838 states and 1130 transitions. [2018-12-30 22:21:20,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1130 transitions. [2018-12-30 22:21:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-30 22:21:20,430 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:20,431 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:20,431 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:20,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:20,431 INFO L82 PathProgramCache]: Analyzing trace with hash 541830856, now seen corresponding path program 1 times [2018-12-30 22:21:20,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:20,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:20,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:20,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:20,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:20,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:20,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:21:20,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:20,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:20,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:20,642 INFO L87 Difference]: Start difference. First operand 838 states and 1130 transitions. Second operand 4 states. [2018-12-30 22:21:23,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:23,064 INFO L93 Difference]: Finished difference Result 2369 states and 3216 transitions. [2018-12-30 22:21:23,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:23,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-30 22:21:23,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:23,074 INFO L225 Difference]: With dead ends: 2369 [2018-12-30 22:21:23,074 INFO L226 Difference]: Without dead ends: 1116 [2018-12-30 22:21:23,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-30 22:21:23,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 838. [2018-12-30 22:21:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2018-12-30 22:21:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1136 transitions. [2018-12-30 22:21:23,132 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1136 transitions. Word has length 102 [2018-12-30 22:21:23,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:23,133 INFO L480 AbstractCegarLoop]: Abstraction has 838 states and 1136 transitions. [2018-12-30 22:21:23,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1136 transitions. [2018-12-30 22:21:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-30 22:21:23,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:23,148 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:23,148 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:23,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:23,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1365971850, now seen corresponding path program 1 times [2018-12-30 22:21:23,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:23,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:23,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:23,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:23,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:23,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:23,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:21:23,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:23,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:23,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:23,618 INFO L87 Difference]: Start difference. First operand 838 states and 1136 transitions. Second operand 4 states. [2018-12-30 22:21:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:25,041 INFO L93 Difference]: Finished difference Result 2508 states and 3336 transitions. [2018-12-30 22:21:25,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:25,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2018-12-30 22:21:25,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:25,051 INFO L225 Difference]: With dead ends: 2508 [2018-12-30 22:21:25,052 INFO L226 Difference]: Without dead ends: 1672 [2018-12-30 22:21:25,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:25,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2018-12-30 22:21:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2018-12-30 22:21:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2018-12-30 22:21:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1569 transitions. [2018-12-30 22:21:25,085 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1569 transitions. Word has length 145 [2018-12-30 22:21:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:25,085 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1569 transitions. [2018-12-30 22:21:25,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1569 transitions. [2018-12-30 22:21:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-30 22:21:25,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:25,089 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:25,089 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:25,090 INFO L82 PathProgramCache]: Analyzing trace with hash -710362052, now seen corresponding path program 1 times [2018-12-30 22:21:25,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:25,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:25,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:25,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:25,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-30 22:21:25,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:25,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:21:25,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 22:21:25,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 22:21:25,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 22:21:25,370 INFO L87 Difference]: Start difference. First operand 1255 states and 1569 transitions. Second operand 5 states. [2018-12-30 22:21:26,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:26,905 INFO L93 Difference]: Finished difference Result 3898 states and 4885 transitions. [2018-12-30 22:21:26,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 22:21:26,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2018-12-30 22:21:26,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:26,919 INFO L225 Difference]: With dead ends: 3898 [2018-12-30 22:21:26,919 INFO L226 Difference]: Without dead ends: 2645 [2018-12-30 22:21:26,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 22:21:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2018-12-30 22:21:26,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2228. [2018-12-30 22:21:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2018-12-30 22:21:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2703 transitions. [2018-12-30 22:21:26,979 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2703 transitions. Word has length 194 [2018-12-30 22:21:26,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:26,980 INFO L480 AbstractCegarLoop]: Abstraction has 2228 states and 2703 transitions. [2018-12-30 22:21:26,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 22:21:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2703 transitions. [2018-12-30 22:21:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-30 22:21:26,985 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:26,986 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:26,986 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:26,987 INFO L82 PathProgramCache]: Analyzing trace with hash 821336137, now seen corresponding path program 1 times [2018-12-30 22:21:26,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:26,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:26,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:26,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:26,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-30 22:21:27,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:27,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:21:27,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:27,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:27,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:27,397 INFO L87 Difference]: Start difference. First operand 2228 states and 2703 transitions. Second operand 4 states. [2018-12-30 22:21:28,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:28,586 INFO L93 Difference]: Finished difference Result 4730 states and 5766 transitions. [2018-12-30 22:21:28,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:28,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2018-12-30 22:21:28,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:28,588 INFO L225 Difference]: With dead ends: 4730 [2018-12-30 22:21:28,588 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 22:21:28,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:28,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 22:21:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 22:21:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 22:21:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 22:21:28,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2018-12-30 22:21:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:28,596 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 22:21:28,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 22:21:28,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 22:21:28,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 22:21:29,648 WARN L181 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2018-12-30 22:21:30,032 WARN L181 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2018-12-30 22:21:30,036 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-30 22:21:30,036 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,036 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,036 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,036 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-30 22:21:30,037 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-30 22:21:30,039 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-30 22:21:30,039 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-30 22:21:30,039 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-30 22:21:30,040 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-30 22:21:30,045 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,046 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,047 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-30 22:21:30,047 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-30 22:21:30,047 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-30 22:21:30,048 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-30 22:21:30,048 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-30 22:21:30,048 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-30 22:21:30,048 INFO L444 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a19~0 9) (and (<= ~a1~0 38) .cse0 (not (= ~a19~0 10))) (and .cse0 (= ~a10~0 0)) (and (not (= ~a10~0 3)) (not (= 0 ~a10~0))))) [2018-12-30 22:21:30,048 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-30 22:21:30,049 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-30 22:21:30,050 INFO L451 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-12-30 22:21:30,050 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,053 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-30 22:21:30,054 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-30 22:21:30,055 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-30 22:21:30,056 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a19~0 9) (and (<= ~a1~0 38) .cse0 (not (= ~a19~0 10))) (and .cse0 (= ~a10~0 0)) (and (not (= ~a10~0 3)) (not (= 0 ~a10~0))))) [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-30 22:21:30,057 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-30 22:21:30,061 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,062 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 22:21:30,063 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-30 22:21:30,064 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-30 22:21:30,065 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-30 22:21:30,066 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-30 22:21:30,067 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 22:21:30,068 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-30 22:21:30,069 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-30 22:21:30,070 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-30 22:21:30,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 10:21:30 BoogieIcfgContainer [2018-12-30 22:21:30,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 22:21:30,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 22:21:30,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 22:21:30,088 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 22:21:30,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:14" (3/4) ... [2018-12-30 22:21:30,093 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 22:21:30,115 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 22:21:30,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 22:21:30,282 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 22:21:30,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 22:21:30,283 INFO L168 Benchmark]: Toolchain (without parser) took 19634.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.2 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -86.1 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,284 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:21:30,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,285 INFO L168 Benchmark]: Boogie Preprocessor took 89.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:21:30,285 INFO L168 Benchmark]: RCFGBuilder took 3104.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,285 INFO L168 Benchmark]: TraceAbstraction took 15258.15 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -27.6 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,286 INFO L168 Benchmark]: Witness Printer took 194.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:30,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 197.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3104.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15258.15 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -27.6 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. * Witness Printer took 194.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: 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: 582]: Loop Invariant Derived loop invariant: ((a19 == 9 || ((a1 <= 38 && !(a19 == 7)) && !(a19 == 10))) || (!(a19 == 7) && a10 == 0)) || (!(a10 == 3) && !(0 == a10)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 9 || ((a1 <= 38 && !(a19 == 7)) && !(a19 == 10))) || (!(a19 == 7) && a10 == 0)) || (!(a10 == 3) && !(0 == a10)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 11.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 327 SDtfs, 1741 SDslu, 71 SDs, 0 SdLazy, 4482 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 67 HoareAnnotationTreeSize, 3 FomulaSimplifications, 714 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 932 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 825 NumberOfCodeBlocks, 825 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 342306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 470/470 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...