./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label37.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/eca-rers2012/Problem11_label37.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 7ad2391d9368d67060e84104be218d8d6808d5e9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:03:11,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:03:11,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:03:11,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:03:11,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:03:11,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:03:11,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:03:11,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:03:11,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:03:11,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:03:11,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:03:11,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:03:11,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:03:11,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:03:11,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:03:11,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:03:11,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:03:11,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:03:11,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:03:11,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:03:11,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:03:11,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:03:11,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:03:11,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:03:11,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:03:11,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:03:11,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:03:11,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:03:11,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:03:11,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:03:11,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:03:11,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:03:11,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:03:11,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:03:11,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:03:11,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:03:11,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:03:11,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:03:11,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:03:11,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:03:11,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:03:11,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:03:11,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:03:11,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:03:11,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:03:11,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:03:11,203 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:03:11,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:03:11,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:03:11,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:03:11,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:03:11,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:03:11,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:03:11,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:03:11,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:03:11,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:03:11,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:03:11,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:03:11,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:03:11,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:03:11,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:03:11,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:03:11,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:03:11,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:03:11,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:03:11,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:03:11,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:03:11,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:03:11,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:03:11,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:03:11,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 7ad2391d9368d67060e84104be218d8d6808d5e9 [2019-11-27 23:03:11,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:03:11,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:03:11,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:03:11,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:03:11,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:03:11,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2019-11-27 23:03:11,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c74820b/f5dde2c39ac64bf692e688139824faf2/FLAGb28e04956 [2019-11-27 23:03:12,269 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:03:12,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2019-11-27 23:03:12,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c74820b/f5dde2c39ac64bf692e688139824faf2/FLAGb28e04956 [2019-11-27 23:03:12,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c74820b/f5dde2c39ac64bf692e688139824faf2 [2019-11-27 23:03:12,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:03:12,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:03:12,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:03:12,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:03:12,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:03:12,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:03:12" (1/1) ... [2019-11-27 23:03:12,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cffb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:12, skipping insertion in model container [2019-11-27 23:03:12,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:03:12" (1/1) ... [2019-11-27 23:03:12,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:03:12,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:03:13,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:03:13,182 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:03:13,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:03:13,413 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:03:13,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13 WrapperNode [2019-11-27 23:03:13,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:03:13,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:03:13,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:03:13,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:03:13,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:03:13,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:03:13,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:03:13,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:03:13,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... [2019-11-27 23:03:13,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:03:13,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:03:13,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:03:13,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:03:13,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:03:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:03:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:03:15,554 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:03:15,555 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:03:15,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:03:15 BoogieIcfgContainer [2019-11-27 23:03:15,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:03:15,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:03:15,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:03:15,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:03:15,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:03:12" (1/3) ... [2019-11-27 23:03:15,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bfcf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:03:15, skipping insertion in model container [2019-11-27 23:03:15,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:03:13" (2/3) ... [2019-11-27 23:03:15,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bfcf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:03:15, skipping insertion in model container [2019-11-27 23:03:15,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:03:15" (3/3) ... [2019-11-27 23:03:15,570 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2019-11-27 23:03:15,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:03:15,590 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:03:15,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:03:15,644 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:03:15,644 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:03:15,644 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:03:15,645 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:03:15,645 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:03:15,645 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:03:15,646 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:03:15,646 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:03:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-11-27 23:03:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-27 23:03:15,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:15,686 INFO L410 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] [2019-11-27 23:03:15,687 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:15,693 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2019-11-27 23:03:15,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:15,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125905776] [2019-11-27 23:03:15,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:03:16,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125905776] [2019-11-27 23:03:16,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:16,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:03:16,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758455790] [2019-11-27 23:03:16,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:03:16,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:16,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:03:16,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:16,029 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-11-27 23:03:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:17,995 INFO L93 Difference]: Finished difference Result 954 states and 1721 transitions. [2019-11-27 23:03:17,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:03:17,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-11-27 23:03:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:18,018 INFO L225 Difference]: With dead ends: 954 [2019-11-27 23:03:18,018 INFO L226 Difference]: Without dead ends: 603 [2019-11-27 23:03:18,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:18,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2019-11-27 23:03:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2019-11-27 23:03:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-11-27 23:03:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 837 transitions. [2019-11-27 23:03:18,120 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 837 transitions. Word has length 49 [2019-11-27 23:03:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:18,121 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 837 transitions. [2019-11-27 23:03:18,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:03:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 837 transitions. [2019-11-27 23:03:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-27 23:03:18,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:18,135 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:18,136 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:18,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1973303616, now seen corresponding path program 1 times [2019-11-27 23:03:18,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:18,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876216933] [2019-11-27 23:03:18,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:03:18,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876216933] [2019-11-27 23:03:18,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:18,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:03:18,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517322170] [2019-11-27 23:03:18,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:03:18,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:18,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:03:18,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:18,415 INFO L87 Difference]: Start difference. First operand 603 states and 837 transitions. Second operand 4 states. [2019-11-27 23:03:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:20,327 INFO L93 Difference]: Finished difference Result 2329 states and 3248 transitions. [2019-11-27 23:03:20,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:03:20,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-11-27 23:03:20,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:20,341 INFO L225 Difference]: With dead ends: 2329 [2019-11-27 23:03:20,341 INFO L226 Difference]: Without dead ends: 1728 [2019-11-27 23:03:20,345 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:20,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2019-11-27 23:03:20,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1342. [2019-11-27 23:03:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2019-11-27 23:03:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1792 transitions. [2019-11-27 23:03:20,396 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1792 transitions. Word has length 118 [2019-11-27 23:03:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:20,399 INFO L462 AbstractCegarLoop]: Abstraction has 1342 states and 1792 transitions. [2019-11-27 23:03:20,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:03:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1792 transitions. [2019-11-27 23:03:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-27 23:03:20,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:20,411 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:20,411 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:20,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:20,412 INFO L82 PathProgramCache]: Analyzing trace with hash 950251843, now seen corresponding path program 1 times [2019-11-27 23:03:20,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:20,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451755760] [2019-11-27 23:03:20,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:03:20,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451755760] [2019-11-27 23:03:20,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:20,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:03:20,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886438625] [2019-11-27 23:03:20,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:03:20,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:20,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:03:20,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:20,595 INFO L87 Difference]: Start difference. First operand 1342 states and 1792 transitions. Second operand 4 states. [2019-11-27 23:03:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:22,443 INFO L93 Difference]: Finished difference Result 5085 states and 6834 transitions. [2019-11-27 23:03:22,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:03:22,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-11-27 23:03:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:22,461 INFO L225 Difference]: With dead ends: 5085 [2019-11-27 23:03:22,461 INFO L226 Difference]: Without dead ends: 3745 [2019-11-27 23:03:22,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:22,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2019-11-27 23:03:22,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3557. [2019-11-27 23:03:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3557 states. [2019-11-27 23:03:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 4429 transitions. [2019-11-27 23:03:22,543 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 4429 transitions. Word has length 131 [2019-11-27 23:03:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:22,544 INFO L462 AbstractCegarLoop]: Abstraction has 3557 states and 4429 transitions. [2019-11-27 23:03:22,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:03:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 4429 transitions. [2019-11-27 23:03:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-27 23:03:22,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:22,548 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:22,549 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:22,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:22,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2073470789, now seen corresponding path program 1 times [2019-11-27 23:03:22,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:22,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794913264] [2019-11-27 23:03:22,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:03:22,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794913264] [2019-11-27 23:03:22,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:22,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:03:22,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364862662] [2019-11-27 23:03:22,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:03:22,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:22,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:03:22,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:03:22,793 INFO L87 Difference]: Start difference. First operand 3557 states and 4429 transitions. Second operand 5 states. [2019-11-27 23:03:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:25,545 INFO L93 Difference]: Finished difference Result 12660 states and 16196 transitions. [2019-11-27 23:03:25,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:03:25,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2019-11-27 23:03:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:25,587 INFO L225 Difference]: With dead ends: 12660 [2019-11-27 23:03:25,588 INFO L226 Difference]: Without dead ends: 9105 [2019-11-27 23:03:25,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:03:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9105 states. [2019-11-27 23:03:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9105 to 7803. [2019-11-27 23:03:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7803 states. [2019-11-27 23:03:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7803 states to 7803 states and 9652 transitions. [2019-11-27 23:03:25,781 INFO L78 Accepts]: Start accepts. Automaton has 7803 states and 9652 transitions. Word has length 176 [2019-11-27 23:03:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:25,782 INFO L462 AbstractCegarLoop]: Abstraction has 7803 states and 9652 transitions. [2019-11-27 23:03:25,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:03:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 7803 states and 9652 transitions. [2019-11-27 23:03:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-27 23:03:25,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:25,793 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:25,794 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1622471841, now seen corresponding path program 1 times [2019-11-27 23:03:25,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:25,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669784657] [2019-11-27 23:03:25,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 23:03:26,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669784657] [2019-11-27 23:03:26,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:26,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:03:26,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809003320] [2019-11-27 23:03:26,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:03:26,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:26,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:03:26,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:03:26,047 INFO L87 Difference]: Start difference. First operand 7803 states and 9652 transitions. Second operand 5 states. [2019-11-27 23:03:28,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:28,261 INFO L93 Difference]: Finished difference Result 18373 states and 22660 transitions. [2019-11-27 23:03:28,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:03:28,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2019-11-27 23:03:28,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:28,302 INFO L225 Difference]: With dead ends: 18373 [2019-11-27 23:03:28,302 INFO L226 Difference]: Without dead ends: 10388 [2019-11-27 23:03:28,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:03:28,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10388 states. [2019-11-27 23:03:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10388 to 8907. [2019-11-27 23:03:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8907 states. [2019-11-27 23:03:28,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8907 states to 8907 states and 10836 transitions. [2019-11-27 23:03:28,474 INFO L78 Accepts]: Start accepts. Automaton has 8907 states and 10836 transitions. Word has length 238 [2019-11-27 23:03:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:28,475 INFO L462 AbstractCegarLoop]: Abstraction has 8907 states and 10836 transitions. [2019-11-27 23:03:28,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:03:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 8907 states and 10836 transitions. [2019-11-27 23:03:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-11-27 23:03:28,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:28,485 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:28,485 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:28,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:28,486 INFO L82 PathProgramCache]: Analyzing trace with hash 925301222, now seen corresponding path program 1 times [2019-11-27 23:03:28,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:28,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138233833] [2019-11-27 23:03:28,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 23:03:28,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138233833] [2019-11-27 23:03:28,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:28,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:03:28,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929552574] [2019-11-27 23:03:28,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:03:28,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:28,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:03:28,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:28,623 INFO L87 Difference]: Start difference. First operand 8907 states and 10836 transitions. Second operand 4 states. [2019-11-27 23:03:30,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:30,481 INFO L93 Difference]: Finished difference Result 24093 states and 29489 transitions. [2019-11-27 23:03:30,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:03:30,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 289 [2019-11-27 23:03:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:30,518 INFO L225 Difference]: With dead ends: 24093 [2019-11-27 23:03:30,518 INFO L226 Difference]: Without dead ends: 15372 [2019-11-27 23:03:30,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15372 states. [2019-11-27 23:03:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15372 to 14243. [2019-11-27 23:03:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14243 states. [2019-11-27 23:03:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14243 states to 14243 states and 16961 transitions. [2019-11-27 23:03:30,735 INFO L78 Accepts]: Start accepts. Automaton has 14243 states and 16961 transitions. Word has length 289 [2019-11-27 23:03:30,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:30,736 INFO L462 AbstractCegarLoop]: Abstraction has 14243 states and 16961 transitions. [2019-11-27 23:03:30,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:03:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 14243 states and 16961 transitions. [2019-11-27 23:03:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-11-27 23:03:30,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:30,747 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-27 23:03:30,748 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:30,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:30,748 INFO L82 PathProgramCache]: Analyzing trace with hash 489646399, now seen corresponding path program 1 times [2019-11-27 23:03:30,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:30,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082954628] [2019-11-27 23:03:30,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 164 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-27 23:03:30,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082954628] [2019-11-27 23:03:30,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787821226] [2019-11-27 23:03:30,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:03:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:31,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:03:31,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:03:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 23:03:31,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:03:31,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-11-27 23:03:31,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735200811] [2019-11-27 23:03:31,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:03:31,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:31,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:03:31,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:31,367 INFO L87 Difference]: Start difference. First operand 14243 states and 16961 transitions. Second operand 3 states. [2019-11-27 23:03:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:32,802 INFO L93 Difference]: Finished difference Result 29978 states and 35903 transitions. [2019-11-27 23:03:32,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:03:32,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2019-11-27 23:03:32,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:32,844 INFO L225 Difference]: With dead ends: 29978 [2019-11-27 23:03:32,844 INFO L226 Difference]: Without dead ends: 17767 [2019-11-27 23:03:32,858 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:32,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17767 states. [2019-11-27 23:03:33,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17767 to 17211. [2019-11-27 23:03:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17211 states. [2019-11-27 23:03:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17211 states to 17211 states and 20461 transitions. [2019-11-27 23:03:33,140 INFO L78 Accepts]: Start accepts. Automaton has 17211 states and 20461 transitions. Word has length 295 [2019-11-27 23:03:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:33,141 INFO L462 AbstractCegarLoop]: Abstraction has 17211 states and 20461 transitions. [2019-11-27 23:03:33,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:03:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 17211 states and 20461 transitions. [2019-11-27 23:03:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-27 23:03:33,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:33,172 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-27 23:03:33,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:03:33,377 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:33,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:33,378 INFO L82 PathProgramCache]: Analyzing trace with hash 536626435, now seen corresponding path program 1 times [2019-11-27 23:03:33,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:33,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724811223] [2019-11-27 23:03:33,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-27 23:03:33,705 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724811223] [2019-11-27 23:03:33,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:33,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:03:33,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620340914] [2019-11-27 23:03:33,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:03:33,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:03:33,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:03:33,708 INFO L87 Difference]: Start difference. First operand 17211 states and 20461 transitions. Second operand 3 states. [2019-11-27 23:03:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:34,652 INFO L93 Difference]: Finished difference Result 33286 states and 39410 transitions. [2019-11-27 23:03:34,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:03:34,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-11-27 23:03:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:34,687 INFO L225 Difference]: With dead ends: 33286 [2019-11-27 23:03:34,687 INFO L226 Difference]: Without dead ends: 15893 [2019-11-27 23:03:34,705 INFO L630 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 [2019-11-27 23:03:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15893 states. [2019-11-27 23:03:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15893 to 13867. [2019-11-27 23:03:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13867 states. [2019-11-27 23:03:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15861 transitions. [2019-11-27 23:03:34,923 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15861 transitions. Word has length 360 [2019-11-27 23:03:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:34,924 INFO L462 AbstractCegarLoop]: Abstraction has 13867 states and 15861 transitions. [2019-11-27 23:03:34,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:03:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15861 transitions. [2019-11-27 23:03:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-27 23:03:34,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:03:34,960 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:03:34,961 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:03:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:03:34,961 INFO L82 PathProgramCache]: Analyzing trace with hash 915712011, now seen corresponding path program 1 times [2019-11-27 23:03:34,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:03:34,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955373849] [2019-11-27 23:03:34,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:03:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:03:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-27 23:03:35,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955373849] [2019-11-27 23:03:35,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:03:35,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:03:35,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959465252] [2019-11-27 23:03:35,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:03:35,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:03:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:03:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:35,806 INFO L87 Difference]: Start difference. First operand 13867 states and 15861 transitions. Second operand 4 states. [2019-11-27 23:03:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:03:37,634 INFO L93 Difference]: Finished difference Result 27748 states and 31713 transitions. [2019-11-27 23:03:37,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:03:37,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 422 [2019-11-27 23:03:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:03:37,636 INFO L225 Difference]: With dead ends: 27748 [2019-11-27 23:03:37,636 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:03:37,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:03:37,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:03:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:03:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:03:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:03:37,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2019-11-27 23:03:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:03:37,655 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:03:37,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:03:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:03:37,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:03:37,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:03:37,838 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 98 [2019-11-27 23:03:37,969 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 98 [2019-11-27 23:03:38,366 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2019-11-27 23:03:38,770 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2019-11-27 23:03:38,773 INFO L246 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-27 23:03:38,773 INFO L246 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L249 CegarLoopResult]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,774 INFO L246 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,775 INFO L246 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,776 INFO L246 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,776 INFO L246 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,776 INFO L246 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,776 INFO L246 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L242 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse7 (= ~a25~0 13))) (let ((.cse5 (= ~a25~0 9)) (.cse4 (<= ~a23~0 312)) (.cse2 (not .cse7)) (.cse0 (<= ~a29~0 130)) (.cse8 (<= ~a4~0 0)) (.cse9 (<= (+ ~a23~0 43) 0)) (.cse3 (not (= ~a25~0 12))) (.cse1 (= 1 ~a4~0)) (.cse6 (< 138 ~a23~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse0 .cse6) (and .cse7 .cse4 .cse8) (and (not .cse5) .cse8 .cse2) (and .cse4 .cse8 (<= ~a29~0 277)) (and .cse2 .cse0 .cse9) (and .cse8 .cse9) (and .cse3 (<= ~a29~0 245) .cse1) (and .cse1 .cse6)))) [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,777 INFO L246 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-27 23:03:38,778 INFO L246 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,779 INFO L246 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2019-11-27 23:03:38,780 INFO L246 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-27 23:03:38,781 INFO L246 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,782 INFO L246 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,783 INFO L246 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,783 INFO L246 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-11-27 23:03:38,785 INFO L246 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2019-11-27 23:03:38,786 INFO L246 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,787 INFO L246 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-11-27 23:03:38,788 INFO L246 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-11-27 23:03:38,789 INFO L246 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,790 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-27 23:03:38,791 INFO L246 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-27 23:03:38,791 INFO L246 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2019-11-27 23:03:38,791 INFO L246 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,791 INFO L246 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,791 INFO L246 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,792 INFO L246 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,792 INFO L246 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,792 INFO L246 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,792 INFO L246 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2019-11-27 23:03:38,792 INFO L246 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-27 23:03:38,793 INFO L246 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-27 23:03:38,793 INFO L246 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,793 INFO L246 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,796 INFO L246 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:03:38,797 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2019-11-27 23:03:38,798 INFO L246 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,798 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-27 23:03:38,798 INFO L246 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2019-11-27 23:03:38,798 INFO L246 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-27 23:03:38,798 INFO L246 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,799 INFO L246 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,799 INFO L246 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,799 INFO L246 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,799 INFO L246 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,800 INFO L246 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,800 INFO L246 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,801 INFO L246 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,801 INFO L246 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,801 INFO L246 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,801 INFO L246 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,801 INFO L246 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-11-27 23:03:38,802 INFO L246 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-11-27 23:03:38,802 INFO L246 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-27 23:03:38,802 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-27 23:03:38,802 INFO L246 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-27 23:03:38,807 INFO L246 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,807 INFO L246 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,807 INFO L246 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-27 23:03:38,808 INFO L246 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-11-27 23:03:38,809 INFO L246 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2019-11-27 23:03:38,810 INFO L246 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,811 INFO L246 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2019-11-27 23:03:38,812 INFO L246 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,813 INFO L246 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,814 INFO L246 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,814 INFO L246 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,814 INFO L246 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,814 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-27 23:03:38,814 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,815 INFO L246 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,816 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,817 INFO L246 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,818 INFO L246 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,819 INFO L246 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-27 23:03:38,820 INFO L246 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,821 INFO L246 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2019-11-27 23:03:38,822 INFO L246 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-27 23:03:38,823 INFO L246 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-27 23:03:38,823 INFO L246 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,823 INFO L246 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,824 INFO L246 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,824 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:03:38,825 INFO L246 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,825 INFO L246 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,825 INFO L246 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,825 INFO L246 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,826 INFO L246 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,826 INFO L246 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,826 INFO L246 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,826 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-27 23:03:38,827 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-27 23:03:38,827 INFO L246 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,828 INFO L246 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,829 INFO L246 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,831 INFO L242 CegarLoopResult]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse7 (= ~a25~0 13))) (let ((.cse5 (= ~a25~0 9)) (.cse4 (<= ~a23~0 312)) (.cse2 (not .cse7)) (.cse0 (<= ~a29~0 130)) (.cse8 (<= ~a4~0 0)) (.cse9 (<= (+ ~a23~0 43) 0)) (.cse3 (not (= ~a25~0 12))) (.cse1 (= 1 ~a4~0)) (.cse6 (< 138 ~a23~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse0 .cse6) (and .cse7 .cse4 .cse8) (and (not .cse5) .cse8 .cse2) (and .cse4 .cse8 (<= ~a29~0 277)) (and .cse2 .cse0 .cse9) (and .cse8 .cse9) (and .cse3 (<= ~a29~0 245) .cse1) (and .cse1 .cse6)))) [2019-11-27 23:03:38,831 INFO L246 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,831 INFO L246 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-11-27 23:03:38,831 INFO L246 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-11-27 23:03:38,831 INFO L246 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,832 INFO L246 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,832 INFO L246 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-11-27 23:03:38,832 INFO L246 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,832 INFO L246 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,832 INFO L246 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-11-27 23:03:38,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:03:38 BoogieIcfgContainer [2019-11-27 23:03:38,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:03:38,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:03:38,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:03:38,854 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:03:38,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:03:15" (3/4) ... [2019-11-27 23:03:38,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:03:38,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:03:38,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:03:39,077 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:03:39,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:03:39,079 INFO L168 Benchmark]: Toolchain (without parser) took 26586.40 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 643.8 MB). Free memory was 946.9 MB in the beginning and 856.8 MB in the end (delta: 90.1 MB). Peak memory consumption was 733.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,079 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:03:39,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.35 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,080 INFO L168 Benchmark]: Boogie Preprocessor took 103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,081 INFO L168 Benchmark]: RCFGBuilder took 1863.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 863.8 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,081 INFO L168 Benchmark]: TraceAbstraction took 23293.43 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.6 MB). Free memory was 863.8 MB in the beginning and 889.0 MB in the end (delta: -25.1 MB). Peak memory consumption was 495.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,081 INFO L168 Benchmark]: Witness Printer took 223.62 ms. Allocated memory is still 1.7 GB. Free memory was 889.0 MB in the beginning and 856.8 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:03:39,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 920.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 175.35 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1863.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 863.8 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23293.43 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.6 MB). Free memory was 863.8 MB in the beginning and 889.0 MB in the end (delta: -25.1 MB). Peak memory consumption was 495.5 MB. Max. memory is 11.5 GB. * Witness Printer took 223.62 ms. Allocated memory is still 1.7 GB. Free memory was 889.0 MB in the beginning and 856.8 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((a29 <= 130 && 1 == a4) || ((!(a25 == 13) && !(a25 == 12)) && 1 == a4)) || (((a23 <= 312 && a25 == 9) && a29 <= 130) && 138 < a23)) || ((a25 == 13 && a23 <= 312) && a4 <= 0)) || ((!(a25 == 9) && a4 <= 0) && !(a25 == 13))) || ((a23 <= 312 && a4 <= 0) && a29 <= 277)) || ((!(a25 == 13) && a29 <= 130) && a23 + 43 <= 0)) || (a4 <= 0 && a23 + 43 <= 0)) || ((!(a25 == 12) && a29 <= 245) && 1 == a4)) || (1 == a4 && 138 < a23) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((((a29 <= 130 && 1 == a4) || ((!(a25 == 13) && !(a25 == 12)) && 1 == a4)) || (((a23 <= 312 && a25 == 9) && a29 <= 130) && 138 < a23)) || ((a25 == 13 && a23 <= 312) && a4 <= 0)) || ((!(a25 == 9) && a4 <= 0) && !(a25 == 13))) || ((a23 <= 312 && a4 <= 0) && a29 <= 277)) || ((!(a25 == 13) && a29 <= 130) && a23 + 43 <= 0)) || (a4 <= 0 && a23 + 43 <= 0)) || ((!(a25 == 12) && a29 <= 245) && 1 == a4)) || (1 == a4 && 138 < a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 22.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 1161 SDtfs, 3195 SDslu, 376 SDs, 0 SdLazy, 8983 SolverSat, 1860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 306 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17211occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 7068 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 168 NumberOfFragments, 211 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4944 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2164 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2373 NumberOfCodeBlocks, 2373 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2363 ConstructedInterpolants, 0 QuantifiedInterpolants, 1614605 SizeOfPredicates, 1 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1757/1761 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...