./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer --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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:54:07,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:54:07,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:54:07,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:54:07,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:54:07,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:54:07,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:54:07,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:54:07,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:54:07,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:54:07,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:54:07,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:54:07,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:54:07,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:54:07,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:54:07,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:54:07,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:54:07,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:54:07,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:54:07,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:54:07,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:54:07,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:54:07,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:54:07,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:54:07,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:54:07,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:54:07,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:54:07,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:54:07,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:54:07,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:54:07,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:54:07,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:54:07,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:54:07,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:54:07,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:54:07,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:54:07,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:54:07,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:54:07,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:54:07,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:54:07,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:54:07,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 08:54:07,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:54:07,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:54:07,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:54:07,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:54:07,570 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:54:07,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:54:07,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:54:07,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:54:07,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:54:07,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:54:07,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:54:07,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:54:07,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:54:07,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:54:07,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:54:07,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:54:07,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:54:07,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:54:07,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:54:07,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:54:07,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:54:07,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:54:07,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:54:07,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:54:07,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:54:07,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:54:07,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:54:07,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:54:07,575 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer 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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2019-11-20 08:54:07,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:54:07,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:54:07,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:54:07,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:54:07,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:54:07,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-20 08:54:07,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/data/2b484ea09/8b46cf6a51b34c48862475ce115f2d48/FLAGa2e1f2e4d [2019-11-20 08:54:08,391 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:54:08,392 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-11-20 08:54:08,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/data/2b484ea09/8b46cf6a51b34c48862475ce115f2d48/FLAGa2e1f2e4d [2019-11-20 08:54:08,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/data/2b484ea09/8b46cf6a51b34c48862475ce115f2d48 [2019-11-20 08:54:08,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:54:08,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:54:08,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:54:08,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:54:08,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:54:08,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:54:08" (1/1) ... [2019-11-20 08:54:08,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dad0900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:08, skipping insertion in model container [2019-11-20 08:54:08,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:54:08" (1/1) ... [2019-11-20 08:54:08,819 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:54:08,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:54:09,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:54:09,644 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:54:10,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:54:10,150 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:54:10,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10 WrapperNode [2019-11-20 08:54:10,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:54:10,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:54:10,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:54:10,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:54:10,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:54:10,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:54:10,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:54:10,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:54:10,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... [2019-11-20 08:54:10,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:54:10,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:54:10,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:54:10,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:54:10,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/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 [2019-11-20 08:54:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:54:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:54:13,067 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:54:13,067 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 08:54:13,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:13 BoogieIcfgContainer [2019-11-20 08:54:13,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:54:13,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:54:13,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:54:13,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:54:13,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:54:08" (1/3) ... [2019-11-20 08:54:13,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1fba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:54:13, skipping insertion in model container [2019-11-20 08:54:13,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:54:10" (2/3) ... [2019-11-20 08:54:13,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1fba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:54:13, skipping insertion in model container [2019-11-20 08:54:13,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:13" (3/3) ... [2019-11-20 08:54:13,077 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c [2019-11-20 08:54:13,086 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:54:13,094 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 08:54:13,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 08:54:13,139 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:54:13,139 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:54:13,139 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:54:13,139 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:54:13,140 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:54:13,140 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:54:13,140 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:54:13,141 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:54:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-11-20 08:54:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 08:54:13,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:13,178 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] [2019-11-20 08:54:13,178 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2019-11-20 08:54:13,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:13,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925685672] [2019-11-20 08:54:13,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:54:13,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925685672] [2019-11-20 08:54:13,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:13,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:54:13,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888076035] [2019-11-20 08:54:13,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:54:13,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:13,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:54:13,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:54:13,502 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 4 states. [2019-11-20 08:54:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:16,884 INFO L93 Difference]: Finished difference Result 1454 states and 2762 transitions. [2019-11-20 08:54:16,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:54:16,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-11-20 08:54:16,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:16,910 INFO L225 Difference]: With dead ends: 1454 [2019-11-20 08:54:16,918 INFO L226 Difference]: Without dead ends: 991 [2019-11-20 08:54:16,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:54:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2019-11-20 08:54:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2019-11-20 08:54:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2019-11-20 08:54:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1567 transitions. [2019-11-20 08:54:17,024 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1567 transitions. Word has length 48 [2019-11-20 08:54:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:17,024 INFO L462 AbstractCegarLoop]: Abstraction has 991 states and 1567 transitions. [2019-11-20 08:54:17,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:54:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1567 transitions. [2019-11-20 08:54:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 08:54:17,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:17,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:54:17,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:17,038 INFO L82 PathProgramCache]: Analyzing trace with hash 524059219, now seen corresponding path program 1 times [2019-11-20 08:54:17,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:17,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791779835] [2019-11-20 08:54:17,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:54:17,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791779835] [2019-11-20 08:54:17,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:17,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 08:54:17,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687033433] [2019-11-20 08:54:17,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 08:54:17,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 08:54:17,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:54:17,842 INFO L87 Difference]: Start difference. First operand 991 states and 1567 transitions. Second operand 7 states. [2019-11-20 08:54:20,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:20,874 INFO L93 Difference]: Finished difference Result 2320 states and 3550 transitions. [2019-11-20 08:54:20,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:54:20,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2019-11-20 08:54:20,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:20,883 INFO L225 Difference]: With dead ends: 2320 [2019-11-20 08:54:20,884 INFO L226 Difference]: Without dead ends: 1331 [2019-11-20 08:54:20,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2019-11-20 08:54:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1320. [2019-11-20 08:54:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2019-11-20 08:54:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1902 transitions. [2019-11-20 08:54:20,929 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1902 transitions. Word has length 179 [2019-11-20 08:54:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:20,932 INFO L462 AbstractCegarLoop]: Abstraction has 1320 states and 1902 transitions. [2019-11-20 08:54:20,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 08:54:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1902 transitions. [2019-11-20 08:54:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-11-20 08:54:20,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:20,950 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, 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] [2019-11-20 08:54:20,950 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:20,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:20,951 INFO L82 PathProgramCache]: Analyzing trace with hash -535832572, now seen corresponding path program 1 times [2019-11-20 08:54:20,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:20,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61065639] [2019-11-20 08:54:20,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:54:21,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61065639] [2019-11-20 08:54:21,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:21,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:54:21,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239202862] [2019-11-20 08:54:21,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:21,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:21,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:21,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:54:21,182 INFO L87 Difference]: Start difference. First operand 1320 states and 1902 transitions. Second operand 3 states. [2019-11-20 08:54:22,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:22,840 INFO L93 Difference]: Finished difference Result 3296 states and 5031 transitions. [2019-11-20 08:54:22,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:22,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2019-11-20 08:54:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:22,853 INFO L225 Difference]: With dead ends: 3296 [2019-11-20 08:54:22,853 INFO L226 Difference]: Without dead ends: 2307 [2019-11-20 08:54:22,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:54:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2019-11-20 08:54:22,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2019-11-20 08:54:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2019-11-20 08:54:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3033 transitions. [2019-11-20 08:54:22,902 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3033 transitions. Word has length 266 [2019-11-20 08:54:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:22,903 INFO L462 AbstractCegarLoop]: Abstraction has 2307 states and 3033 transitions. [2019-11-20 08:54:22,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3033 transitions. [2019-11-20 08:54:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-11-20 08:54:22,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:22,909 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:54:22,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:22,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:22,910 INFO L82 PathProgramCache]: Analyzing trace with hash -379828481, now seen corresponding path program 1 times [2019-11-20 08:54:22,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:22,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530379411] [2019-11-20 08:54:22,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-11-20 08:54:23,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530379411] [2019-11-20 08:54:23,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:23,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 08:54:23,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947822669] [2019-11-20 08:54:23,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:23,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:23,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:23,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:54:23,113 INFO L87 Difference]: Start difference. First operand 2307 states and 3033 transitions. Second operand 3 states. [2019-11-20 08:54:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:24,522 INFO L93 Difference]: Finished difference Result 6257 states and 8424 transitions. [2019-11-20 08:54:24,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:24,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2019-11-20 08:54:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:24,540 INFO L225 Difference]: With dead ends: 6257 [2019-11-20 08:54:24,540 INFO L226 Difference]: Without dead ends: 3294 [2019-11-20 08:54:24,544 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:54:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2019-11-20 08:54:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2019-11-20 08:54:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2019-11-20 08:54:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3630 transitions. [2019-11-20 08:54:24,610 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3630 transitions. Word has length 308 [2019-11-20 08:54:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:24,611 INFO L462 AbstractCegarLoop]: Abstraction has 3294 states and 3630 transitions. [2019-11-20 08:54:24,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3630 transitions. [2019-11-20 08:54:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-11-20 08:54:24,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:24,617 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:54:24,617 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:24,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:24,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1299025563, now seen corresponding path program 1 times [2019-11-20 08:54:24,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:24,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19592798] [2019-11-20 08:54:24,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 91 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:54:25,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19592798] [2019-11-20 08:54:25,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141964267] [2019-11-20 08:54:25,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/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 [2019-11-20 08:54:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:25,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:25,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-20 08:54:26,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:26,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2019-11-20 08:54:26,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597566202] [2019-11-20 08:54:26,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:26,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:26,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:26,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:26,086 INFO L87 Difference]: Start difference. First operand 3294 states and 3630 transitions. Second operand 3 states. [2019-11-20 08:54:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:27,075 INFO L93 Difference]: Finished difference Result 7244 states and 7990 transitions. [2019-11-20 08:54:27,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:27,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2019-11-20 08:54:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:27,097 INFO L225 Difference]: With dead ends: 7244 [2019-11-20 08:54:27,098 INFO L226 Difference]: Without dead ends: 4281 [2019-11-20 08:54:27,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2019-11-20 08:54:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2019-11-20 08:54:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2019-11-20 08:54:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4605 transitions. [2019-11-20 08:54:27,186 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4605 transitions. Word has length 348 [2019-11-20 08:54:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:27,187 INFO L462 AbstractCegarLoop]: Abstraction has 4281 states and 4605 transitions. [2019-11-20 08:54:27,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4605 transitions. [2019-11-20 08:54:27,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-11-20 08:54:27,197 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:27,197 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:54:27,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:27,401 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:27,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:27,401 INFO L82 PathProgramCache]: Analyzing trace with hash 461645349, now seen corresponding path program 1 times [2019-11-20 08:54:27,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:27,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022994673] [2019-11-20 08:54:27,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 220 proven. 6 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-11-20 08:54:27,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022994673] [2019-11-20 08:54:27,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237423371] [2019-11-20 08:54:27,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:27,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:27,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-11-20 08:54:28,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:28,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-20 08:54:28,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632292554] [2019-11-20 08:54:28,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:28,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:28,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:28,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:54:28,115 INFO L87 Difference]: Start difference. First operand 4281 states and 4605 transitions. Second operand 3 states. [2019-11-20 08:54:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:29,057 INFO L93 Difference]: Finished difference Result 8231 states and 8877 transitions. [2019-11-20 08:54:29,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:29,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2019-11-20 08:54:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:29,081 INFO L225 Difference]: With dead ends: 8231 [2019-11-20 08:54:29,081 INFO L226 Difference]: Without dead ends: 4281 [2019-11-20 08:54:29,086 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:54:29,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2019-11-20 08:54:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2019-11-20 08:54:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2019-11-20 08:54:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4576 transitions. [2019-11-20 08:54:29,167 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4576 transitions. Word has length 473 [2019-11-20 08:54:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:29,168 INFO L462 AbstractCegarLoop]: Abstraction has 4281 states and 4576 transitions. [2019-11-20 08:54:29,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4576 transitions. [2019-11-20 08:54:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-11-20 08:54:29,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:29,179 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, 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, 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, 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] [2019-11-20 08:54:29,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:29,394 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:29,395 INFO L82 PathProgramCache]: Analyzing trace with hash 913996250, now seen corresponding path program 1 times [2019-11-20 08:54:29,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:29,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924215865] [2019-11-20 08:54:29,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-11-20 08:54:30,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924215865] [2019-11-20 08:54:30,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492220434] [2019-11-20 08:54:30,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:30,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:30,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-11-20 08:54:30,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:30,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-20 08:54:30,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981366965] [2019-11-20 08:54:30,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:30,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:30,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:30,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:30,802 INFO L87 Difference]: Start difference. First operand 4281 states and 4576 transitions. Second operand 3 states. [2019-11-20 08:54:31,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:31,723 INFO L93 Difference]: Finished difference Result 5270 states and 5596 transitions. [2019-11-20 08:54:31,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:31,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2019-11-20 08:54:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:31,747 INFO L225 Difference]: With dead ends: 5270 [2019-11-20 08:54:31,747 INFO L226 Difference]: Without dead ends: 5268 [2019-11-20 08:54:31,748 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2019-11-20 08:54:31,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 4610. [2019-11-20 08:54:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4610 states. [2019-11-20 08:54:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 4919 transitions. [2019-11-20 08:54:31,825 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 4919 transitions. Word has length 502 [2019-11-20 08:54:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:31,826 INFO L462 AbstractCegarLoop]: Abstraction has 4610 states and 4919 transitions. [2019-11-20 08:54:31,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 4919 transitions. [2019-11-20 08:54:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2019-11-20 08:54:31,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:31,857 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2019-11-20 08:54:32,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:32,068 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:32,068 INFO L82 PathProgramCache]: Analyzing trace with hash -572432818, now seen corresponding path program 1 times [2019-11-20 08:54:32,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:32,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933922687] [2019-11-20 08:54:32,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 1378 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2019-11-20 08:54:32,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933922687] [2019-11-20 08:54:32,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:32,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:54:32,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102983567] [2019-11-20 08:54:32,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:54:32,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:32,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:54:32,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:54:32,833 INFO L87 Difference]: Start difference. First operand 4610 states and 4919 transitions. Second operand 4 states. [2019-11-20 08:54:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:34,597 INFO L93 Difference]: Finished difference Result 11521 states and 12371 transitions. [2019-11-20 08:54:34,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:54:34,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 871 [2019-11-20 08:54:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:34,630 INFO L225 Difference]: With dead ends: 11521 [2019-11-20 08:54:34,630 INFO L226 Difference]: Without dead ends: 7242 [2019-11-20 08:54:34,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:54:34,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2019-11-20 08:54:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 6913. [2019-11-20 08:54:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2019-11-20 08:54:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 7321 transitions. [2019-11-20 08:54:34,732 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 7321 transitions. Word has length 871 [2019-11-20 08:54:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:34,733 INFO L462 AbstractCegarLoop]: Abstraction has 6913 states and 7321 transitions. [2019-11-20 08:54:34,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:54:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 7321 transitions. [2019-11-20 08:54:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2019-11-20 08:54:34,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:34,782 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2019-11-20 08:54:34,782 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:34,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:34,783 INFO L82 PathProgramCache]: Analyzing trace with hash -593800378, now seen corresponding path program 1 times [2019-11-20 08:54:34,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:34,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268953207] [2019-11-20 08:54:34,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 1281 proven. 130 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2019-11-20 08:54:36,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268953207] [2019-11-20 08:54:36,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192581724] [2019-11-20 08:54:36,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:36,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:36,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2019-11-20 08:54:37,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:37,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-20 08:54:37,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760738960] [2019-11-20 08:54:37,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:37,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:37,509 INFO L87 Difference]: Start difference. First operand 6913 states and 7321 transitions. Second operand 3 states. [2019-11-20 08:54:38,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:38,592 INFO L93 Difference]: Finished difference Result 15469 states and 16407 transitions. [2019-11-20 08:54:38,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:38,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1006 [2019-11-20 08:54:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:38,633 INFO L225 Difference]: With dead ends: 15469 [2019-11-20 08:54:38,633 INFO L226 Difference]: Without dead ends: 8887 [2019-11-20 08:54:38,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 1006 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2019-11-20 08:54:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 7571. [2019-11-20 08:54:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-11-20 08:54:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8035 transitions. [2019-11-20 08:54:38,733 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8035 transitions. Word has length 1006 [2019-11-20 08:54:38,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:38,735 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 8035 transitions. [2019-11-20 08:54:38,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8035 transitions. [2019-11-20 08:54:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2019-11-20 08:54:38,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:38,753 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-20 08:54:38,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:38,958 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:38,958 INFO L82 PathProgramCache]: Analyzing trace with hash -497350162, now seen corresponding path program 1 times [2019-11-20 08:54:38,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:38,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051496884] [2019-11-20 08:54:38,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 1602 proven. 130 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2019-11-20 08:54:40,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051496884] [2019-11-20 08:54:40,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935937570] [2019-11-20 08:54:40,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:40,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:40,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 1586 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2019-11-20 08:54:41,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:41,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-20 08:54:41,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778517220] [2019-11-20 08:54:41,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:41,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:41,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:41,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:41,803 INFO L87 Difference]: Start difference. First operand 7571 states and 8035 transitions. Second operand 3 states. [2019-11-20 08:54:42,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:42,625 INFO L93 Difference]: Finished difference Result 14811 states and 15737 transitions. [2019-11-20 08:54:42,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:42,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1103 [2019-11-20 08:54:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:42,637 INFO L225 Difference]: With dead ends: 14811 [2019-11-20 08:54:42,638 INFO L226 Difference]: Without dead ends: 7571 [2019-11-20 08:54:42,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1103 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2019-11-20 08:54:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2019-11-20 08:54:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-11-20 08:54:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7970 transitions. [2019-11-20 08:54:42,727 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7970 transitions. Word has length 1103 [2019-11-20 08:54:42,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:42,728 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 7970 transitions. [2019-11-20 08:54:42,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7970 transitions. [2019-11-20 08:54:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2019-11-20 08:54:42,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:42,748 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2019-11-20 08:54:42,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:42,952 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:42,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:42,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2088480148, now seen corresponding path program 1 times [2019-11-20 08:54:42,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:42,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526795234] [2019-11-20 08:54:42,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1244 proven. 4 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2019-11-20 08:54:44,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526795234] [2019-11-20 08:54:44,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364649068] [2019-11-20 08:54:44,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:44,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:54:44,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1048 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2019-11-20 08:54:45,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:45,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 08:54:45,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953536766] [2019-11-20 08:54:45,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:45,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:45,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:45,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:45,620 INFO L87 Difference]: Start difference. First operand 7571 states and 7970 transitions. Second operand 3 states. [2019-11-20 08:54:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:46,437 INFO L93 Difference]: Finished difference Result 15798 states and 16615 transitions. [2019-11-20 08:54:46,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:46,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1159 [2019-11-20 08:54:46,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:46,449 INFO L225 Difference]: With dead ends: 15798 [2019-11-20 08:54:46,449 INFO L226 Difference]: Without dead ends: 7571 [2019-11-20 08:54:46,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1165 GetRequests, 1158 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:46,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2019-11-20 08:54:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2019-11-20 08:54:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-11-20 08:54:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7875 transitions. [2019-11-20 08:54:46,535 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7875 transitions. Word has length 1159 [2019-11-20 08:54:46,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:46,536 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 7875 transitions. [2019-11-20 08:54:46,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7875 transitions. [2019-11-20 08:54:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2019-11-20 08:54:46,555 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:46,556 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:54:46,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:46,768 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:46,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:46,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1631914977, now seen corresponding path program 1 times [2019-11-20 08:54:46,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:46,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526015717] [2019-11-20 08:54:46,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1679 proven. 130 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2019-11-20 08:54:48,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526015717] [2019-11-20 08:54:48,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726271392] [2019-11-20 08:54:48,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:48,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 08:54:48,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:54:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1513 proven. 0 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2019-11-20 08:54:50,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:54:50,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-20 08:54:50,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685121878] [2019-11-20 08:54:50,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:54:50,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:50,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:54:50,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:50,523 INFO L87 Difference]: Start difference. First operand 7571 states and 7875 transitions. Second operand 3 states. [2019-11-20 08:54:51,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:51,512 INFO L93 Difference]: Finished difference Result 16456 states and 17131 transitions. [2019-11-20 08:54:51,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:54:51,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1221 [2019-11-20 08:54:51,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:51,524 INFO L225 Difference]: With dead ends: 16456 [2019-11-20 08:54:51,524 INFO L226 Difference]: Without dead ends: 9216 [2019-11-20 08:54:51,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1230 GetRequests, 1221 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:54:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2019-11-20 08:54:51,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2019-11-20 08:54:51,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2019-11-20 08:54:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9543 transitions. [2019-11-20 08:54:51,623 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9543 transitions. Word has length 1221 [2019-11-20 08:54:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:51,624 INFO L462 AbstractCegarLoop]: Abstraction has 9216 states and 9543 transitions. [2019-11-20 08:54:51,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:54:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9543 transitions. [2019-11-20 08:54:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2019-11-20 08:54:51,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:51,650 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-11-20 08:54:51,854 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:51,854 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:51,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:51,855 INFO L82 PathProgramCache]: Analyzing trace with hash 447965945, now seen corresponding path program 1 times [2019-11-20 08:54:51,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:51,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481186254] [2019-11-20 08:54:51,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4250 backedges. 3062 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2019-11-20 08:54:54,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481186254] [2019-11-20 08:54:54,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:54:54,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 08:54:54,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683423565] [2019-11-20 08:54:54,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 08:54:54,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:54:54,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 08:54:54,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 08:54:54,565 INFO L87 Difference]: Start difference. First operand 9216 states and 9543 transitions. Second operand 6 states. [2019-11-20 08:54:56,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:54:56,375 INFO L93 Difference]: Finished difference Result 18768 states and 19451 transitions. [2019-11-20 08:54:56,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 08:54:56,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1606 [2019-11-20 08:54:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:54:56,393 INFO L225 Difference]: With dead ends: 18768 [2019-11-20 08:54:56,394 INFO L226 Difference]: Without dead ends: 9883 [2019-11-20 08:54:56,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:54:56,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2019-11-20 08:54:56,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 9874. [2019-11-20 08:54:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2019-11-20 08:54:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10224 transitions. [2019-11-20 08:54:56,529 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10224 transitions. Word has length 1606 [2019-11-20 08:54:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:54:56,530 INFO L462 AbstractCegarLoop]: Abstraction has 9874 states and 10224 transitions. [2019-11-20 08:54:56,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 08:54:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10224 transitions. [2019-11-20 08:54:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2019-11-20 08:54:56,574 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:54:56,575 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-11-20 08:54:56,575 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:54:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:54:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash -127619151, now seen corresponding path program 1 times [2019-11-20 08:54:56,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:54:56,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929295934] [2019-11-20 08:54:56,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:54:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4762 backedges. 3487 proven. 385 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2019-11-20 08:54:59,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929295934] [2019-11-20 08:54:59,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073118692] [2019-11-20 08:54:59,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:54:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:54:59,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 08:54:59,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:55:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4762 backedges. 2664 proven. 0 refuted. 0 times theorem prover too weak. 2098 trivial. 0 not checked. [2019-11-20 08:55:01,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:55:01,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-20 08:55:01,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335955716] [2019-11-20 08:55:01,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:55:01,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:01,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:55:01,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:55:01,348 INFO L87 Difference]: Start difference. First operand 9874 states and 10224 transitions. Second operand 3 states. [2019-11-20 08:55:02,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:02,212 INFO L93 Difference]: Finished difference Result 19746 states and 20456 transitions. [2019-11-20 08:55:02,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:55:02,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1692 [2019-11-20 08:55:02,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:02,223 INFO L225 Difference]: With dead ends: 19746 [2019-11-20 08:55:02,223 INFO L226 Difference]: Without dead ends: 10203 [2019-11-20 08:55:02,234 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1699 GetRequests, 1692 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:55:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10203 states. [2019-11-20 08:55:02,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10203 to 9874. [2019-11-20 08:55:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2019-11-20 08:55:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10159 transitions. [2019-11-20 08:55:02,304 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10159 transitions. Word has length 1692 [2019-11-20 08:55:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:02,305 INFO L462 AbstractCegarLoop]: Abstraction has 9874 states and 10159 transitions. [2019-11-20 08:55:02,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:55:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10159 transitions. [2019-11-20 08:55:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1838 [2019-11-20 08:55:02,329 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:02,330 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-20 08:55:02,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:02,534 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:02,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:02,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2094496340, now seen corresponding path program 1 times [2019-11-20 08:55:02,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:02,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641916845] [2019-11-20 08:55:02,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6373 backedges. 1708 proven. 0 refuted. 0 times theorem prover too weak. 4665 trivial. 0 not checked. [2019-11-20 08:55:04,874 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641916845] [2019-11-20 08:55:04,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:55:04,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 08:55:04,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911292917] [2019-11-20 08:55:04,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 08:55:04,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:04,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:55:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:55:04,877 INFO L87 Difference]: Start difference. First operand 9874 states and 10159 transitions. Second operand 5 states. [2019-11-20 08:55:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:06,789 INFO L93 Difference]: Finished difference Result 29616 states and 30529 transitions. [2019-11-20 08:55:06,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:55:06,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1837 [2019-11-20 08:55:06,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:06,806 INFO L225 Difference]: With dead ends: 29616 [2019-11-20 08:55:06,806 INFO L226 Difference]: Without dead ends: 19744 [2019-11-20 08:55:06,814 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:55:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19744 states. [2019-11-20 08:55:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19744 to 15138. [2019-11-20 08:55:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15138 states. [2019-11-20 08:55:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15571 transitions. [2019-11-20 08:55:06,976 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15571 transitions. Word has length 1837 [2019-11-20 08:55:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:06,977 INFO L462 AbstractCegarLoop]: Abstraction has 15138 states and 15571 transitions. [2019-11-20 08:55:06,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 08:55:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15571 transitions. [2019-11-20 08:55:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2019-11-20 08:55:07,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:07,003 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 08:55:07,004 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash -890231504, now seen corresponding path program 1 times [2019-11-20 08:55:07,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:07,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107077343] [2019-11-20 08:55:07,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6954 backedges. 4153 proven. 0 refuted. 0 times theorem prover too weak. 2801 trivial. 0 not checked. [2019-11-20 08:55:09,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107077343] [2019-11-20 08:55:09,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:55:09,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:55:09,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558572305] [2019-11-20 08:55:09,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:55:09,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:09,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:55:09,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:55:09,205 INFO L87 Difference]: Start difference. First operand 15138 states and 15571 transitions. Second operand 3 states. [2019-11-20 08:55:10,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:10,083 INFO L93 Difference]: Finished difference Result 31590 states and 32492 transitions. [2019-11-20 08:55:10,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:55:10,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1981 [2019-11-20 08:55:10,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:10,096 INFO L225 Difference]: With dead ends: 31590 [2019-11-20 08:55:10,097 INFO L226 Difference]: Without dead ends: 16783 [2019-11-20 08:55:10,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:55:10,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2019-11-20 08:55:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2019-11-20 08:55:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16454 states. [2019-11-20 08:55:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16881 transitions. [2019-11-20 08:55:10,272 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16881 transitions. Word has length 1981 [2019-11-20 08:55:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:10,273 INFO L462 AbstractCegarLoop]: Abstraction has 16454 states and 16881 transitions. [2019-11-20 08:55:10,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:55:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16881 transitions. [2019-11-20 08:55:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2081 [2019-11-20 08:55:10,300 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:10,301 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:55:10,301 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:10,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1261936362, now seen corresponding path program 1 times [2019-11-20 08:55:10,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:10,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224230111] [2019-11-20 08:55:10,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7352 backedges. 3755 proven. 0 refuted. 0 times theorem prover too weak. 3597 trivial. 0 not checked. [2019-11-20 08:55:12,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224230111] [2019-11-20 08:55:12,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:55:12,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:55:12,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39478761] [2019-11-20 08:55:12,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:55:12,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:12,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:55:12,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:55:12,587 INFO L87 Difference]: Start difference. First operand 16454 states and 16881 transitions. Second operand 4 states. [2019-11-20 08:55:13,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:13,894 INFO L93 Difference]: Finished difference Result 32577 states and 33429 transitions. [2019-11-20 08:55:13,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:55:13,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2080 [2019-11-20 08:55:13,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:13,905 INFO L225 Difference]: With dead ends: 32577 [2019-11-20 08:55:13,905 INFO L226 Difference]: Without dead ends: 16454 [2019-11-20 08:55:13,914 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 [2019-11-20 08:55:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2019-11-20 08:55:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15796. [2019-11-20 08:55:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2019-11-20 08:55:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16104 transitions. [2019-11-20 08:55:14,064 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16104 transitions. Word has length 2080 [2019-11-20 08:55:14,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:14,065 INFO L462 AbstractCegarLoop]: Abstraction has 15796 states and 16104 transitions. [2019-11-20 08:55:14,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:55:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16104 transitions. [2019-11-20 08:55:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2107 [2019-11-20 08:55:14,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:14,091 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-11-20 08:55:14,091 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:14,092 INFO L82 PathProgramCache]: Analyzing trace with hash 777095257, now seen corresponding path program 1 times [2019-11-20 08:55:14,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:14,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733534050] [2019-11-20 08:55:14,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 2469 proven. 4286 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2019-11-20 08:55:23,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733534050] [2019-11-20 08:55:23,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632720272] [2019-11-20 08:55:23,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:23,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 08:55:23,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:55:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 4795 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2019-11-20 08:55:26,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:55:26,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 17 [2019-11-20 08:55:26,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920878792] [2019-11-20 08:55:26,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:55:26,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:26,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:55:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2019-11-20 08:55:26,269 INFO L87 Difference]: Start difference. First operand 15796 states and 16104 transitions. Second operand 4 states. [2019-11-20 08:55:27,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:27,657 INFO L93 Difference]: Finished difference Result 31261 states and 31875 transitions. [2019-11-20 08:55:27,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:55:27,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2106 [2019-11-20 08:55:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:27,669 INFO L225 Difference]: With dead ends: 31261 [2019-11-20 08:55:27,669 INFO L226 Difference]: Without dead ends: 15796 [2019-11-20 08:55:27,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2128 GetRequests, 2107 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2019-11-20 08:55:27,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2019-11-20 08:55:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2019-11-20 08:55:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2019-11-20 08:55:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16100 transitions. [2019-11-20 08:55:27,802 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16100 transitions. Word has length 2106 [2019-11-20 08:55:27,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:27,804 INFO L462 AbstractCegarLoop]: Abstraction has 15796 states and 16100 transitions. [2019-11-20 08:55:27,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:55:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16100 transitions. [2019-11-20 08:55:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2324 [2019-11-20 08:55:27,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:27,846 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:55:28,046 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:28,047 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:28,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:28,047 INFO L82 PathProgramCache]: Analyzing trace with hash -708607397, now seen corresponding path program 1 times [2019-11-20 08:55:28,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:28,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941394205] [2019-11-20 08:55:28,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9892 backedges. 4042 proven. 792 refuted. 0 times theorem prover too weak. 5058 trivial. 0 not checked. [2019-11-20 08:55:34,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941394205] [2019-11-20 08:55:34,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575936780] [2019-11-20 08:55:34,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:35,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 08:55:35,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:55:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9892 backedges. 5735 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-11-20 08:55:37,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:55:37,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2019-11-20 08:55:37,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141811602] [2019-11-20 08:55:37,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:55:37,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:37,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:55:37,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:55:37,751 INFO L87 Difference]: Start difference. First operand 15796 states and 16100 transitions. Second operand 3 states. [2019-11-20 08:55:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:38,693 INFO L93 Difference]: Finished difference Result 31590 states and 32201 transitions. [2019-11-20 08:55:38,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:55:38,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2323 [2019-11-20 08:55:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:38,707 INFO L225 Difference]: With dead ends: 31590 [2019-11-20 08:55:38,707 INFO L226 Difference]: Without dead ends: 16125 [2019-11-20 08:55:38,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2341 GetRequests, 2324 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:55:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2019-11-20 08:55:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2019-11-20 08:55:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16125 states. [2019-11-20 08:55:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16423 transitions. [2019-11-20 08:55:38,856 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16423 transitions. Word has length 2323 [2019-11-20 08:55:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:38,857 INFO L462 AbstractCegarLoop]: Abstraction has 16125 states and 16423 transitions. [2019-11-20 08:55:38,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:55:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16423 transitions. [2019-11-20 08:55:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2537 [2019-11-20 08:55:38,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:38,908 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-11-20 08:55:39,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:39,114 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:39,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash -483904904, now seen corresponding path program 1 times [2019-11-20 08:55:39,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:39,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719898118] [2019-11-20 08:55:39,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 4420 proven. 792 refuted. 0 times theorem prover too weak. 6128 trivial. 0 not checked. [2019-11-20 08:55:46,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719898118] [2019-11-20 08:55:46,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41025719] [2019-11-20 08:55:46,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:47,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 08:55:47,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:55:47,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:47,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:55:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 5748 proven. 0 refuted. 0 times theorem prover too weak. 5592 trivial. 0 not checked. [2019-11-20 08:55:51,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:55:51,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2019-11-20 08:55:51,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970468618] [2019-11-20 08:55:51,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:55:51,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:55:51,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:55:51,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:55:51,429 INFO L87 Difference]: Start difference. First operand 16125 states and 16423 transitions. Second operand 3 states. [2019-11-20 08:55:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:55:52,793 INFO L93 Difference]: Finished difference Result 34222 states and 34863 transitions. [2019-11-20 08:55:52,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:55:52,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2536 [2019-11-20 08:55:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:55:52,804 INFO L225 Difference]: With dead ends: 34222 [2019-11-20 08:55:52,804 INFO L226 Difference]: Without dead ends: 18428 [2019-11-20 08:55:52,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2554 GetRequests, 2537 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:55:52,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2019-11-20 08:55:52,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 18099. [2019-11-20 08:55:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2019-11-20 08:55:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18422 transitions. [2019-11-20 08:55:52,940 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18422 transitions. Word has length 2536 [2019-11-20 08:55:52,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:55:52,941 INFO L462 AbstractCegarLoop]: Abstraction has 18099 states and 18422 transitions. [2019-11-20 08:55:52,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:55:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18422 transitions. [2019-11-20 08:55:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2577 [2019-11-20 08:55:52,975 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:55:52,976 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 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, 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] [2019-11-20 08:55:53,178 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:53,178 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:55:53,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:55:53,178 INFO L82 PathProgramCache]: Analyzing trace with hash -25506658, now seen corresponding path program 1 times [2019-11-20 08:55:53,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:55:53,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070586024] [2019-11-20 08:55:53,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:55:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 7059 proven. 825 refuted. 0 times theorem prover too weak. 3491 trivial. 0 not checked. [2019-11-20 08:55:59,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070586024] [2019-11-20 08:55:59,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404612004] [2019-11-20 08:55:59,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:55:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:55:59,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 08:55:59,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:56:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 3882 proven. 0 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2019-11-20 08:56:03,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:56:03,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2019-11-20 08:56:03,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897332124] [2019-11-20 08:56:03,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:56:03,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:56:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:56:03,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:56:03,929 INFO L87 Difference]: Start difference. First operand 18099 states and 18422 transitions. Second operand 3 states. [2019-11-20 08:56:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:56:04,732 INFO L93 Difference]: Finished difference Result 35867 states and 36511 transitions. [2019-11-20 08:56:04,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:56:04,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2576 [2019-11-20 08:56:04,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:56:04,744 INFO L225 Difference]: With dead ends: 35867 [2019-11-20 08:56:04,744 INFO L226 Difference]: Without dead ends: 18099 [2019-11-20 08:56:04,750 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2585 GetRequests, 2576 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:56:04,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2019-11-20 08:56:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2019-11-20 08:56:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2019-11-20 08:56:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18421 transitions. [2019-11-20 08:56:04,891 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18421 transitions. Word has length 2576 [2019-11-20 08:56:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:56:04,892 INFO L462 AbstractCegarLoop]: Abstraction has 18099 states and 18421 transitions. [2019-11-20 08:56:04,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:56:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18421 transitions. [2019-11-20 08:56:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2630 [2019-11-20 08:56:04,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:56:04,928 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-11-20 08:56:05,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:56:05,128 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:56:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:56:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1654722324, now seen corresponding path program 1 times [2019-11-20 08:56:05,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:56:05,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018373686] [2019-11-20 08:56:05,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:56:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12187 backedges. 5411 proven. 1640 refuted. 0 times theorem prover too weak. 5136 trivial. 0 not checked. [2019-11-20 08:56:14,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018373686] [2019-11-20 08:56:14,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628062762] [2019-11-20 08:56:14,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:56:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:14,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:56:14,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:56:14,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:56:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12187 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 11635 trivial. 0 not checked. [2019-11-20 08:56:17,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 08:56:17,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2019-11-20 08:56:17,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979726411] [2019-11-20 08:56:17,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:56:17,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:56:17,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:56:17,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-20 08:56:17,412 INFO L87 Difference]: Start difference. First operand 18099 states and 18421 transitions. Second operand 3 states. [2019-11-20 08:56:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:56:18,242 INFO L93 Difference]: Finished difference Result 36852 states and 37508 transitions. [2019-11-20 08:56:18,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:56:18,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2629 [2019-11-20 08:56:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:56:18,245 INFO L225 Difference]: With dead ends: 36852 [2019-11-20 08:56:18,245 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 08:56:18,252 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2654 GetRequests, 2634 SyntacticMatches, 9 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-20 08:56:18,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 08:56:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 08:56:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 08:56:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:56:18,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2629 [2019-11-20 08:56:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:56:18,253 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:56:18,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:56:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:56:18,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:56:18,454 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:56:18,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 08:56:18,650 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 180 [2019-11-20 08:56:18,780 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 172 [2019-11-20 08:56:18,934 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 179 [2019-11-20 08:56:20,056 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 92 [2019-11-20 08:56:20,931 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 95 [2019-11-20 08:56:21,854 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 89 [2019-11-20 08:56:21,856 INFO L444 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,856 INFO L444 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,856 INFO L444 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-20 08:56:21,857 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L440 ceAbstractionStarter]: At program point L1491(lines 23 1492) the Hoare annotation is: (let ((.cse12 (= ~a12~0 8))) (let ((.cse3 (<= ~a16~0 11)) (.cse0 (= 3 ~a15~0)) (.cse1 (not .cse12)) (.cse19 (+ ~a18~0 79))) (let ((.cse7 (<= 10 ~a16~0)) (.cse11 (<= 0 (+ ~a18~0 155))) (.cse6 (exists ((v_~a18~0_901 Int)) (let ((.cse21 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse20 (* 5 .cse21))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse20) (<= (div (* .cse21 5) 5) ~a18~0) (<= 0 .cse20)))))) (.cse14 (= ~a12~0 7)) (.cse8 (<= ~a16~0 9)) (.cse2 (< 0 .cse19)) (.cse4 (<= 4 ~a15~0)) (.cse10 (<= .cse19 0)) (.cse17 (and .cse3 .cse0 .cse1)) (.cse18 (= ~a12~0 6)) (.cse5 (= 5 ~a12~0)) (.cse15 (= ~a16~0 8)) (.cse16 (<= (+ ~a18~0 156) 0)) (.cse9 (not (= 7 ~a12~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse8 .cse9 .cse1 .cse10) (and .cse11 .cse4 .cse8 .cse12) (and .cse0 (<= 28 ~a18~0)) (and .cse0 .cse12 .cse7) (let ((.cse13 (+ ~a18~0 87))) (and (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse5 (<= .cse13 0) (<= 0 .cse13) (= ~a16~0 11) .cse0)) (and .cse14 .cse11 .cse0) (and .cse15 .cse4 .cse6) (and .cse16 .cse4 .cse8 .cse1) (and .cse15 .cse4 .cse12) (and .cse17 .cse8) (and (and .cse14 .cse4 .cse2) .cse8) (and .cse15 .cse4 (or (<= ~a18~0 134) (and (= ~a15~0 4) (= ~a12~0 5))) .cse2) (and .cse3 .cse4 .cse18) (and .cse3 .cse4 .cse5 .cse10) (and .cse17 .cse18) (and (<= 12 ~a16~0) .cse5 .cse0) (and .cse15 .cse0) (and .cse16 .cse0 .cse9))))) [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,858 INFO L444 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,859 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,860 INFO L444 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-20 08:56:21,861 INFO L444 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L440 ceAbstractionStarter]: At program point L1764(lines 1494 1765) the Hoare annotation is: (let ((.cse12 (= ~a12~0 8))) (let ((.cse5 (<= ~a16~0 11)) (.cse0 (= 3 ~a15~0)) (.cse1 (not .cse12)) (.cse20 (+ ~a18~0 79))) (let ((.cse8 (exists ((v_~a18~0_901 Int)) (let ((.cse22 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse21 (* 5 .cse22))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse21) (<= (div (* .cse22 5) 5) ~a18~0) (<= 0 .cse21)))))) (.cse9 (<= 10 ~a16~0)) (.cse3 (<= ~a16~0 9)) (.cse2 (< 0 .cse20)) (.cse17 (= ~a12~0 7)) (.cse11 (<= 0 (+ ~a18~0 155))) (.cse15 (<= .cse20 0)) (.cse4 (and .cse5 .cse0 .cse1)) (.cse18 (= ~a12~0 6)) (.cse7 (= 5 ~a12~0)) (.cse6 (<= 4 ~a15~0)) (.cse16 (<= (+ ~a18~0 156) 0)) (.cse14 (not (= 7 ~a12~0))) (.cse10 (= ~a16~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse8) (and .cse0 (<= 28 ~a18~0)) (and .cse11 .cse6 .cse3 .cse12) (and .cse0 .cse12 .cse9) (let ((.cse13 (+ ~a18~0 87))) (and (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse7 (<= .cse13 0) (<= 0 .cse13) (= ~a16~0 11) .cse0)) (and .cse6 .cse3 .cse14 .cse15 .cse1) (and .cse16 .cse6 .cse3 .cse1) (and .cse3 (and .cse17 .cse6 .cse2)) (and .cse5 .cse6 .cse18) (and .cse17 .cse11 .cse0) (and .cse5 .cse6 .cse7 .cse15) (and .cse4 .cse18) (and (<= 12 ~a16~0) .cse7 .cse0) (and (let ((.cse19 (<= ~a18~0 134))) (and .cse10 .cse6 (or .cse19 (and (= ~a15~0 4) (= ~a12~0 5))) (or (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse19))) .cse14) (and .cse16 .cse0 .cse14) (and .cse10 .cse0))))) [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,862 INFO L444 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L447 ceAbstractionStarter]: At program point L1767(lines 1767 1783) the Hoare annotation is: true [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,863 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,864 INFO L444 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-20 08:56:21,865 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L440 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (= ~a12~0 8))) (let ((.cse3 (<= ~a16~0 11)) (.cse0 (= 3 ~a15~0)) (.cse1 (not .cse12)) (.cse19 (+ ~a18~0 79))) (let ((.cse7 (<= 10 ~a16~0)) (.cse11 (<= 0 (+ ~a18~0 155))) (.cse6 (exists ((v_~a18~0_901 Int)) (let ((.cse21 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse20 (* 5 .cse21))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse20) (<= (div (* .cse21 5) 5) ~a18~0) (<= 0 .cse20)))))) (.cse13 (= ~a12~0 7)) (.cse8 (<= ~a16~0 9)) (.cse2 (< 0 .cse19)) (.cse4 (<= 4 ~a15~0)) (.cse10 (<= .cse19 0)) (.cse17 (and .cse3 .cse0 .cse1)) (.cse18 (= ~a12~0 6)) (.cse5 (= 5 ~a12~0)) (.cse15 (= ~a16~0 8)) (.cse16 (<= (+ ~a18~0 156) 0)) (.cse9 (not (= 7 ~a12~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse8 .cse9 .cse1 .cse10) (and .cse11 .cse4 .cse8 .cse12) (and .cse0 (<= 28 ~a18~0)) (and .cse0 .cse12 .cse7) (and .cse13 .cse11 .cse0) (let ((.cse14 (+ ~a18~0 87))) (and .cse5 (<= .cse14 0) (<= 0 .cse14) (= ~a16~0 11) .cse0)) (and .cse15 .cse4 .cse6) (and .cse16 .cse4 .cse8 .cse1) (and .cse15 .cse4 .cse12) (and .cse17 .cse8) (and (and .cse13 .cse4 .cse2) .cse8) (and .cse15 .cse4 (or (<= ~a18~0 134) (and (= ~a15~0 4) (= ~a12~0 5))) .cse2) (and .cse3 .cse4 .cse18) (and .cse3 .cse4 .cse5 .cse10) (and .cse17 .cse18) (and (<= 12 ~a16~0) .cse5 .cse0) (and .cse15 .cse0) (and .cse16 .cse0 .cse9))))) [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,866 INFO L444 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,867 INFO L444 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,868 INFO L444 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,869 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-20 08:56:21,870 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,871 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,872 INFO L444 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,873 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,874 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,875 INFO L444 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-20 08:56:21,876 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,877 INFO L444 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-20 08:56:21,878 INFO L444 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,879 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-20 08:56:21,880 INFO L444 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,881 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,882 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,883 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,884 INFO L444 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2019-11-20 08:56:21,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:21,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:56:21 BoogieIcfgContainer [2019-11-20 08:56:21,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:56:21,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:56:21,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:56:21,959 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:56:21,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:54:13" (3/4) ... [2019-11-20 08:56:21,968 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:56:22,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 08:56:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:56:22,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && !(a12 == 8)) && a18 + 79 <= 0)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (3 == a15 && 28 <= a18)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || ((((5 == a12 && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a16 == 8 && 4 <= a15) && a12 == 8)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a16 <= 9)) || (((a12 == 7 && 4 <= a15) && 0 < a18 + 79) && a16 <= 9)) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || (a16 == 8 && 3 == a15)) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12)) [2019-11-20 08:56:22,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && !(a12 == 8)) && a18 + 79 <= 0)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (3 == a15 && 28 <= a18)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || (((((!(6 == input) && 5 == a12) && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a16 == 8 && 4 <= a15) && a12 == 8)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a16 <= 9)) || (((a12 == 7 && 4 <= a15) && 0 < a18 + 79) && a16 <= 9)) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || (a16 == 8 && 3 == a15)) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12)) [2019-11-20 08:56:22,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || (a16 <= 9 && (a16 <= 11 && 3 == a15) && !(a12 == 8))) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (3 == a15 && 28 <= a18)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || (((((!(6 == input) && 5 == a12) && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && a18 + 79 <= 0) && !(a12 == 8))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || (a16 <= 9 && (a12 == 7 && 4 <= a15) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || ((((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && (!(3 == input) || a18 <= 134)) && !(7 == a12))) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12))) || (a16 == 8 && 3 == a15) [2019-11-20 08:56:22,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_efafecaf-9423-42d2-8ea0-015eac588422/bin/uautomizer/witness.graphml [2019-11-20 08:56:22,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:56:22,243 INFO L168 Benchmark]: Toolchain (without parser) took 133441.87 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 944.7 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,243 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:22,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.06 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,244 INFO L168 Benchmark]: Boogie Preprocessor took 126.89 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,244 INFO L168 Benchmark]: RCFGBuilder took 2631.68 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: 31.2 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,245 INFO L168 Benchmark]: TraceAbstraction took 128889.34 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,245 INFO L168 Benchmark]: Witness Printer took 282.67 ms. Allocated memory is still 5.1 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:22,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1345.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 157.06 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.89 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2631.68 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: 31.2 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 128889.34 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 282.67 ms. Allocated memory is still 5.1 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 23]: Loop Invariant [2019-11-20 08:56:22,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && !(a12 == 8)) && a18 + 79 <= 0)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (3 == a15 && 28 <= a18)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || (((((!(6 == input) && 5 == a12) && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a16 == 8 && 4 <= a15) && a12 == 8)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a16 <= 9)) || (((a12 == 7 && 4 <= a15) && 0 < a18 + 79) && a16 <= 9)) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || (a16 == 8 && 3 == a15)) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12)) - InvariantResult [Line: 1494]: Loop Invariant [2019-11-20 08:56:22,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: (((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || (a16 <= 9 && (a16 <= 11 && 3 == a15) && !(a12 == 8))) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (3 == a15 && 28 <= a18)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || (((((!(6 == input) && 5 == a12) && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && a18 + 79 <= 0) && !(a12 == 8))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || (a16 <= 9 && (a12 == 7 && 4 <= a15) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || ((((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && (!(3 == input) || a18 <= 134)) && !(7 == a12))) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12))) || (a16 == 8 && 3 == a15) - InvariantResult [Line: 1767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1773]: Loop Invariant [2019-11-20 08:56:22,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-11-20 08:56:22,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((3 == a15 && !(a12 == 8)) && 0 < a18 + 79) || ((((a16 <= 11 && 4 <= a15) && 5 == a12) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((((4 <= a15 && a16 <= 9) && !(7 == a12)) && !(a12 == 8)) && a18 + 79 <= 0)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (3 == a15 && 28 <= a18)) || ((3 == a15 && a12 == 8) && 10 <= a16)) || ((a12 == 7 && 0 <= a18 + 155) && 3 == a15)) || ((((5 == a12 && a18 + 87 <= 0) && 0 <= a18 + 87) && a16 == 11) && 3 == a15)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a16 == 8 && 4 <= a15) && a12 == 8)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a16 <= 9)) || (((a12 == 7 && 4 <= a15) && 0 < a18 + 79) && a16 <= 9)) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || (((a16 <= 11 && 4 <= a15) && 5 == a12) && a18 + 79 <= 0)) || (((a16 <= 11 && 3 == a15) && !(a12 == 8)) && a12 == 6)) || ((12 <= a16 && 5 == a12) && 3 == a15)) || (a16 == 8 && 3 == a15)) || ((a18 + 156 <= 0 && 3 == a15) && !(7 == a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Result: SAFE, OverallTime: 128.7s, OverallIterations: 22, TraceHistogramMax: 13, AutomataDifference: 30.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 5145 SDtfs, 7204 SDslu, 191 SDs, 0 SdLazy, 25031 SolverSat, 3113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19873 GetRequests, 19700 SyntacticMatches, 44 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18099occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 8574 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 202 NumberOfFragments, 1027 HoareAnnotationTreeSize, 4 FomulaSimplifications, 9986 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6461 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 34.2s InterpolantComputationTime, 48524 NumberOfCodeBlocks, 48524 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 48489 ConstructedInterpolants, 111 QuantifiedInterpolants, 255472801 SizeOfPredicates, 6 NumberOfNonLiveVariables, 22605 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 35 InterpolantComputations, 22 PerfectInterpolantSequences, 153259/162453 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...