./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.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/Problem01_label23_true-unreach-call_false-termination.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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:41:21,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:41:21,075 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:41:21,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:41:21,088 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:41:21,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:41:21,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:41:21,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:41:21,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:41:21,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:41:21,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:41:21,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:41:21,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:41:21,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:41:21,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:41:21,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:41:21,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:41:21,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:41:21,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:41:21,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:41:21,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:41:21,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:41:21,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:41:21,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:41:21,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:41:21,118 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:41:21,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:41:21,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:41:21,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:41:21,122 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:41:21,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:41:21,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:41:21,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:41:21,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:41:21,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:41:21,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:41:21,127 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:41:21,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:41:21,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:41:21,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:41:21,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:41:21,145 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:41:21,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:41:21,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:41:21,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:41:21,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:41:21,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:41:21,147 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:41:21,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:41:21,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:41:21,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:41:21,150 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:41:21,150 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:41:21,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:41:21,150 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:41:21,150 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:41:21,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:41:21,151 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:41:21,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:41:21,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:41:21,152 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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-12-30 19:41:21,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:41:21,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:41:21,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:41:21,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:41:21,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:41:21,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-30 19:41:21,276 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825cf4472/2a45b62a604d4fa1873e44135dd895b3/FLAGd1264ecd7 [2018-12-30 19:41:21,910 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:41:21,911 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-30 19:41:21,934 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825cf4472/2a45b62a604d4fa1873e44135dd895b3/FLAGd1264ecd7 [2018-12-30 19:41:22,135 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825cf4472/2a45b62a604d4fa1873e44135dd895b3 [2018-12-30 19:41:22,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:41:22,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:41:22,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:41:22,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:41:22,147 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:41:22,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:22,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa0a9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22, skipping insertion in model container [2018-12-30 19:41:22,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:22,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:41:22,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:41:22,686 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:41:22,693 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:41:22,839 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:41:22,868 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:41:22,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22 WrapperNode [2018-12-30 19:41:22,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:41:22,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:41:22,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:41:22,871 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:41:22,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:22,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:41:23,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:41:23,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:41:23,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:41:23,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (1/1) ... [2018-12-30 19:41:23,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:41:23,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:41:23,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:41:23,164 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:41:23,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (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 19:41:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:41:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:41:26,472 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:41:26,473 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:41:26,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:41:26 BoogieIcfgContainer [2018-12-30 19:41:26,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:41:26,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:41:26,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:41:26,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:41:26,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:41:22" (1/3) ... [2018-12-30 19:41:26,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe15289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:41:26, skipping insertion in model container [2018-12-30 19:41:26,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:41:22" (2/3) ... [2018-12-30 19:41:26,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe15289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:41:26, skipping insertion in model container [2018-12-30 19:41:26,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:41:26" (3/3) ... [2018-12-30 19:41:26,487 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-12-30 19:41:26,496 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:41:26,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:41:26,526 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:41:26,567 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:41:26,568 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:41:26,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:41:26,568 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:41:26,568 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:41:26,568 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:41:26,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:41:26,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:41:26,569 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:41:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:41:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-30 19:41:26,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:26,609 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, 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 19:41:26,612 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:26,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:26,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1911993682, now seen corresponding path program 1 times [2018-12-30 19:41:26,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:26,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:26,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:26,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:26,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:27,217 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 19:41:27,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:27,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:41:27,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:41:27,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:41:27,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:41:27,246 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2018-12-30 19:41:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:29,683 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2018-12-30 19:41:29,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:41:29,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-12-30 19:41:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:29,705 INFO L225 Difference]: With dead ends: 662 [2018-12-30 19:41:29,705 INFO L226 Difference]: Without dead ends: 397 [2018-12-30 19:41:29,710 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 19:41:29,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-30 19:41:29,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-12-30 19:41:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-30 19:41:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2018-12-30 19:41:29,816 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 95 [2018-12-30 19:41:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:29,817 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2018-12-30 19:41:29,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:41:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2018-12-30 19:41:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-30 19:41:29,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:29,829 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:41:29,829 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:29,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1528488005, now seen corresponding path program 1 times [2018-12-30 19:41:29,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:29,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:29,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:29,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:29,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:30,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:30,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:41:30,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:41:30,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:41:30,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:41:30,258 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2018-12-30 19:41:31,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:31,777 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2018-12-30 19:41:31,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:41:31,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-30 19:41:31,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:31,786 INFO L225 Difference]: With dead ends: 1447 [2018-12-30 19:41:31,786 INFO L226 Difference]: Without dead ends: 1052 [2018-12-30 19:41:31,790 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 19:41:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2018-12-30 19:41:31,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 659. [2018-12-30 19:41:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-12-30 19:41:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 851 transitions. [2018-12-30 19:41:31,829 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 851 transitions. Word has length 102 [2018-12-30 19:41:31,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:31,829 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 851 transitions. [2018-12-30 19:41:31,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:41:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 851 transitions. [2018-12-30 19:41:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-30 19:41:31,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:31,835 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:41:31,835 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:31,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:31,836 INFO L82 PathProgramCache]: Analyzing trace with hash 196968702, now seen corresponding path program 1 times [2018-12-30 19:41:31,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:31,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:31,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:31,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:31,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:32,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:32,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:41:32,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:41:32,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:41:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:41:32,011 INFO L87 Difference]: Start difference. First operand 659 states and 851 transitions. Second operand 4 states. [2018-12-30 19:41:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:34,348 INFO L93 Difference]: Finished difference Result 1578 states and 1998 transitions. [2018-12-30 19:41:34,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:41:34,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2018-12-30 19:41:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:34,354 INFO L225 Difference]: With dead ends: 1578 [2018-12-30 19:41:34,354 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:41:34,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:41:34,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:41:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-12-30 19:41:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:41:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 930 transitions. [2018-12-30 19:41:34,379 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 930 transitions. Word has length 116 [2018-12-30 19:41:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:34,379 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 930 transitions. [2018-12-30 19:41:34,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:41:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 930 transitions. [2018-12-30 19:41:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-30 19:41:34,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:34,383 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, 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 19:41:34,384 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:34,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:34,384 INFO L82 PathProgramCache]: Analyzing trace with hash -415435549, now seen corresponding path program 1 times [2018-12-30 19:41:34,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:34,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:34,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:34,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:34,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:34,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:34,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:41:34,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:41:34,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:41:34,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:34,479 INFO L87 Difference]: Start difference. First operand 790 states and 930 transitions. Second operand 3 states. [2018-12-30 19:41:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:35,446 INFO L93 Difference]: Finished difference Result 2233 states and 2643 transitions. [2018-12-30 19:41:35,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:35,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-12-30 19:41:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:35,452 INFO L225 Difference]: With dead ends: 2233 [2018-12-30 19:41:35,453 INFO L226 Difference]: Without dead ends: 1445 [2018-12-30 19:41:35,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:35,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-12-30 19:41:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2018-12-30 19:41:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2018-12-30 19:41:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1374 transitions. [2018-12-30 19:41:35,486 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1374 transitions. Word has length 117 [2018-12-30 19:41:35,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:35,486 INFO L480 AbstractCegarLoop]: Abstraction has 1183 states and 1374 transitions. [2018-12-30 19:41:35,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:41:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1374 transitions. [2018-12-30 19:41:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-30 19:41:35,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:35,489 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-30 19:41:35,490 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:35,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:35,490 INFO L82 PathProgramCache]: Analyzing trace with hash -566505045, now seen corresponding path program 1 times [2018-12-30 19:41:35,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:35,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:35,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:35,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:35,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-30 19:41:35,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:35,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:41:35,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:41:35,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:41:35,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:35,586 INFO L87 Difference]: Start difference. First operand 1183 states and 1374 transitions. Second operand 3 states. [2018-12-30 19:41:36,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:36,453 INFO L93 Difference]: Finished difference Result 3150 states and 3674 transitions. [2018-12-30 19:41:36,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:36,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-12-30 19:41:36,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:36,464 INFO L225 Difference]: With dead ends: 3150 [2018-12-30 19:41:36,465 INFO L226 Difference]: Without dead ends: 1969 [2018-12-30 19:41:36,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:36,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2018-12-30 19:41:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2018-12-30 19:41:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:41:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2018-12-30 19:41:36,502 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 121 [2018-12-30 19:41:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:36,503 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2018-12-30 19:41:36,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:41:36,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2018-12-30 19:41:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-30 19:41:36,506 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:36,506 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-12-30 19:41:36,506 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:36,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:36,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1960003089, now seen corresponding path program 1 times [2018-12-30 19:41:36,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:36,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:36,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:36,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:36,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:41:36,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:36,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:41:36,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:41:36,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:41:36,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:36,590 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2018-12-30 19:41:37,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:37,242 INFO L93 Difference]: Finished difference Result 3281 states and 3834 transitions. [2018-12-30 19:41:37,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:37,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-12-30 19:41:37,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:37,251 INFO L225 Difference]: With dead ends: 3281 [2018-12-30 19:41:37,252 INFO L226 Difference]: Without dead ends: 1707 [2018-12-30 19:41:37,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-30 19:41:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2018-12-30 19:41:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:41:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2018-12-30 19:41:37,287 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 123 [2018-12-30 19:41:37,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:37,287 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2018-12-30 19:41:37,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:41:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2018-12-30 19:41:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-30 19:41:37,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:37,291 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, 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] [2018-12-30 19:41:37,291 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:37,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:37,292 INFO L82 PathProgramCache]: Analyzing trace with hash -233111406, now seen corresponding path program 1 times [2018-12-30 19:41:37,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:37,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:37,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:37,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:37,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:37,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:37,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:41:37,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:41:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:41:37,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:37,428 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2018-12-30 19:41:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:38,168 INFO L93 Difference]: Finished difference Result 3543 states and 4112 transitions. [2018-12-30 19:41:38,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:38,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-12-30 19:41:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:38,177 INFO L225 Difference]: With dead ends: 3543 [2018-12-30 19:41:38,177 INFO L226 Difference]: Without dead ends: 1969 [2018-12-30 19:41:38,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2018-12-30 19:41:38,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2018-12-30 19:41:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:41:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2125 transitions. [2018-12-30 19:41:38,212 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2125 transitions. Word has length 124 [2018-12-30 19:41:38,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:38,212 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2125 transitions. [2018-12-30 19:41:38,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:41:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2125 transitions. [2018-12-30 19:41:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-30 19:41:38,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:38,216 INFO L402 BasicCegarLoop]: trace histogram [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, 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 19:41:38,216 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:38,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1809298122, now seen corresponding path program 1 times [2018-12-30 19:41:38,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:38,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:38,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:38,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:38,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:38,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:38,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-30 19:41:38,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:41:38,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:41:38,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:41:38,495 INFO L87 Difference]: Start difference. First operand 1838 states and 2125 transitions. Second operand 8 states. [2018-12-30 19:41:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:40,054 INFO L93 Difference]: Finished difference Result 3847 states and 4440 transitions. [2018-12-30 19:41:40,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-30 19:41:40,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2018-12-30 19:41:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:40,061 INFO L225 Difference]: With dead ends: 3847 [2018-12-30 19:41:40,061 INFO L226 Difference]: Without dead ends: 2142 [2018-12-30 19:41:40,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:41:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2018-12-30 19:41:40,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1838. [2018-12-30 19:41:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:41:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2113 transitions. [2018-12-30 19:41:40,100 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2113 transitions. Word has length 128 [2018-12-30 19:41:40,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:40,101 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2113 transitions. [2018-12-30 19:41:40,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:41:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2113 transitions. [2018-12-30 19:41:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-30 19:41:40,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:40,105 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-12-30 19:41:40,105 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:40,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1337337613, now seen corresponding path program 1 times [2018-12-30 19:41:40,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:40,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:40,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:40,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:40,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-30 19:41:40,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:40,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:41:40,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:41:40,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:41:40,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:40,185 INFO L87 Difference]: Start difference. First operand 1838 states and 2113 transitions. Second operand 3 states. [2018-12-30 19:41:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:40,664 INFO L93 Difference]: Finished difference Result 3674 states and 4222 transitions. [2018-12-30 19:41:40,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:40,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2018-12-30 19:41:40,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:40,672 INFO L225 Difference]: With dead ends: 3674 [2018-12-30 19:41:40,672 INFO L226 Difference]: Without dead ends: 1838 [2018-12-30 19:41:40,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:41:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-30 19:41:40,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2018-12-30 19:41:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-30 19:41:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1848 transitions. [2018-12-30 19:41:40,709 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1848 transitions. Word has length 151 [2018-12-30 19:41:40,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:40,709 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 1848 transitions. [2018-12-30 19:41:40,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:41:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1848 transitions. [2018-12-30 19:41:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-30 19:41:40,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:40,712 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:41:40,713 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:40,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:40,713 INFO L82 PathProgramCache]: Analyzing trace with hash -628114179, now seen corresponding path program 1 times [2018-12-30 19:41:40,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:40,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:40,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:40,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:40,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:40,993 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:41:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:41,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:41,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:41:41,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:41:41,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:41:41,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:41:41,022 INFO L87 Difference]: Start difference. First operand 1707 states and 1848 transitions. Second operand 4 states. [2018-12-30 19:41:42,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:42,713 INFO L93 Difference]: Finished difference Result 3412 states and 3707 transitions. [2018-12-30 19:41:42,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:41:42,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2018-12-30 19:41:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:42,720 INFO L225 Difference]: With dead ends: 3412 [2018-12-30 19:41:42,720 INFO L226 Difference]: Without dead ends: 1838 [2018-12-30 19:41:42,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 19:41:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-30 19:41:42,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2018-12-30 19:41:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:41:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1960 transitions. [2018-12-30 19:41:42,753 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1960 transitions. Word has length 154 [2018-12-30 19:41:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:42,754 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 1960 transitions. [2018-12-30 19:41:42,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:41:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1960 transitions. [2018-12-30 19:41:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-30 19:41:42,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:41:42,758 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 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 19:41:42,758 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:41:42,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:41:42,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1620802140, now seen corresponding path program 1 times [2018-12-30 19:41:42,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:41:42,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:41:42,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:42,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:41:42,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:41:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:41:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:41:43,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:41:43,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-30 19:41:43,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-30 19:41:43,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-30 19:41:43,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:41:43,329 INFO L87 Difference]: Start difference. First operand 1838 states and 1960 transitions. Second operand 13 states. [2018-12-30 19:41:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:41:46,543 INFO L93 Difference]: Finished difference Result 3727 states and 3988 transitions. [2018-12-30 19:41:46,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-30 19:41:46,544 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 167 [2018-12-30 19:41:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:41:46,544 INFO L225 Difference]: With dead ends: 3727 [2018-12-30 19:41:46,545 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:41:46,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:41:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:41:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:41:46,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:41:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:41:46,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2018-12-30 19:41:46,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:41:46,549 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:41:46,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-30 19:41:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:41:46,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:41:46,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:41:47,090 WARN L181 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-30 19:41:47,727 WARN L181 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-30 19:41:47,731 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:41:47,731 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:41:47,731 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:41:47,732 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:41:47,733 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:41:47,733 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:41:47,733 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,738 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:41:47,739 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,740 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:41:47,741 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:41:47,742 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= ~a20~0 1))) (.cse3 (= ~a12~0 8)) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a21~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_calculate_output_~input 2) .cse2 .cse3 .cse4) (not (= ~a8~0 15)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse0 .cse2 .cse3 .cse4 (= ~a16~0 5)) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))))) [2018-12-30 19:41:47,742 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,742 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,742 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,743 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,748 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,748 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:41:47,748 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:41:47,748 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:41:47,749 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:41:47,750 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:41:47,751 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:41:47,752 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= ~a20~0 1))) (.cse3 (= ~a12~0 8)) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a21~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_calculate_output_~input 2) .cse2 .cse3 .cse4) (not (= ~a8~0 15)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse0 .cse2 .cse3 .cse4 (= ~a16~0 5)) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))))) [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:41:47,753 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:41:47,759 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:41:47,759 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:41:47,759 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:41:47,760 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,761 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:41:47,762 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,763 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:41:47,764 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:41:47,765 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,766 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:41:47,767 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:41:47,768 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:41:47,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:41:47 BoogieIcfgContainer [2018-12-30 19:41:47,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:41:47,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:41:47,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:41:47,813 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:41:47,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:41:26" (3/4) ... [2018-12-30 19:41:47,819 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:41:47,842 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:41:47,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:41:48,059 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:41:48,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:41:48,066 INFO L168 Benchmark]: Toolchain (without parser) took 25926.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.8 MB). Free memory was 943.3 MB in the beginning and 948.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 389.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,067 INFO L168 Benchmark]: CDTParser took 0.52 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 19:41:48,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.91 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 911.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -217.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,069 INFO L168 Benchmark]: Boogie Preprocessor took 96.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,069 INFO L168 Benchmark]: RCFGBuilder took 3310.29 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: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,070 INFO L168 Benchmark]: TraceAbstraction took 21336.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 1.0 GB in the beginning and 971.1 MB in the end (delta: 52.0 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,070 INFO L168 Benchmark]: Witness Printer took 251.98 ms. Allocated memory is still 1.4 GB. Free memory was 971.1 MB in the beginning and 948.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:41:48,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 726.91 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 911.1 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 196.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -217.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3310.29 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: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21336.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 1.0 GB in the beginning and 971.1 MB in the end (delta: 52.0 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. * Witness Printer took 251.98 ms. Allocated memory is still 1.4 GB. Free memory was 971.1 MB in the beginning and 948.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 30]: Loop Invariant Derived loop invariant: (((((((((!(a7 == 1) && !(a20 == 1)) && input == 2) && a17 == 1) && a12 == 8) && a21 == 1) || !(a8 == 15)) || (((((!(a7 == 1) && !(a20 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && ((3 == input || 5 == input) || input == 6))) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((!(a7 == 1) && !(a20 == 1)) && input == 2) && a17 == 1) && a12 == 8) && a21 == 1) || !(a8 == 15)) || (((((!(a7 == 1) && !(a20 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && ((3 == input || 5 == input) || input == 6))) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 21.2s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 708 SDtfs, 2582 SDslu, 139 SDs, 0 SdLazy, 6495 SolverSat, 877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=7, 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1745 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 207 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9068 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1387 ConstructedInterpolants, 0 QuantifiedInterpolants, 879772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 439/439 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...