./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:17:50,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:17:50,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:17:50,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:17:50,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:17:50,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:17:50,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:17:50,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:17:50,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:17:50,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:17:50,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:17:50,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:17:50,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:17:50,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:17:50,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:17:50,526 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:17:50,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:17:50,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:17:50,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:17:50,531 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:17:50,532 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:17:50,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:17:50,535 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:17:50,535 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:17:50,535 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:17:50,536 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:17:50,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:17:50,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:17:50,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:17:50,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:17:50,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:17:50,540 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:17:50,541 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:17:50,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:17:50,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:17:50,543 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:17:50,543 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 05:17:50,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:17:50,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:17:50,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:17:50,555 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:17:50,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:17:50,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:17:50,556 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 05:17:50,557 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:17:50,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:17:50,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:17:50,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:17:50,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:17:50,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:17:50,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:17:50,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:17:50,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:17:50,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:17:50,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:17:50,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:17:50,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:17:50,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:17:50,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:17:50,562 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 05:17:50,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:17:50,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:17:50,562 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-11-23 05:17:50,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:17:50,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:17:50,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:17:50,609 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:17:50,609 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:17:50,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-23 05:17:50,665 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/data/d256b9128/88561320bfb042b89e73c9ffd52566e2/FLAG673f1b8b6 [2018-11-23 05:17:51,090 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:17:51,091 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-23 05:17:51,103 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/data/d256b9128/88561320bfb042b89e73c9ffd52566e2/FLAG673f1b8b6 [2018-11-23 05:17:51,116 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/data/d256b9128/88561320bfb042b89e73c9ffd52566e2 [2018-11-23 05:17:51,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:17:51,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:17:51,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:17:51,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:17:51,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:17:51,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51, skipping insertion in model container [2018-11-23 05:17:51,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:17:51,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:17:51,457 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:17:51,461 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:17:51,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:17:51,571 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:17:51,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51 WrapperNode [2018-11-23 05:17:51,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:17:51,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:17:51,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:17:51,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:17:51,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:17:51,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:17:51,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:17:51,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:17:51,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2018-11-23 05:17:51,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:17:51,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:17:51,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:17:51,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:17:51,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/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 [2018-11-23 05:17:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:17:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:17:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:17:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 05:17:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 05:17:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:17:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:17:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:17:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:17:52,877 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:17:52,878 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 05:17:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:52 BoogieIcfgContainer [2018-11-23 05:17:52,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:17:52,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:17:52,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:17:52,883 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:17:52,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:17:51" (1/3) ... [2018-11-23 05:17:52,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cbf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:52, skipping insertion in model container [2018-11-23 05:17:52,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (2/3) ... [2018-11-23 05:17:52,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cbf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:52, skipping insertion in model container [2018-11-23 05:17:52,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:52" (3/3) ... [2018-11-23 05:17:52,886 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-11-23 05:17:52,897 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:17:52,908 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:17:52,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:17:52,960 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 05:17:52,961 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:17:52,961 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:17:52,961 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:17:52,966 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:17:52,966 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:17:52,966 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:17:52,966 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:17:52,966 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:17:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 05:17:52,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 05:17:52,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:52,997 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:52,999 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:53,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1020079963, now seen corresponding path program 1 times [2018-11-23 05:17:53,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:17:53,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:17:53,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:53,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:53,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:53,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:53,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:17:53,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:17:53,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:17:53,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:17:53,272 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-23 05:17:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:54,565 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-11-23 05:17:54,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:17:54,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-23 05:17:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:54,580 INFO L225 Difference]: With dead ends: 890 [2018-11-23 05:17:54,580 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 05:17:54,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:17:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 05:17:54,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 432. [2018-11-23 05:17:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 05:17:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 660 transitions. [2018-11-23 05:17:54,642 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 660 transitions. Word has length 42 [2018-11-23 05:17:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:54,642 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 660 transitions. [2018-11-23 05:17:54,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:17:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 660 transitions. [2018-11-23 05:17:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 05:17:54,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:54,648 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:54,648 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:54,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:54,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2050989129, now seen corresponding path program 1 times [2018-11-23 05:17:54,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:17:54,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:17:54,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:54,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:54,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:54,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:54,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:17:54,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:17:54,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:17:54,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:17:54,786 INFO L87 Difference]: Start difference. First operand 432 states and 660 transitions. Second operand 4 states. [2018-11-23 05:17:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:55,773 INFO L93 Difference]: Finished difference Result 1586 states and 2526 transitions. [2018-11-23 05:17:55,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:17:55,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2018-11-23 05:17:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:55,796 INFO L225 Difference]: With dead ends: 1586 [2018-11-23 05:17:55,796 INFO L226 Difference]: Without dead ends: 776 [2018-11-23 05:17:55,801 INFO L631 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 [2018-11-23 05:17:55,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-11-23 05:17:55,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2018-11-23 05:17:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2018-11-23 05:17:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1149 transitions. [2018-11-23 05:17:55,836 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1149 transitions. Word has length 125 [2018-11-23 05:17:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:55,836 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 1149 transitions. [2018-11-23 05:17:55,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:17:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1149 transitions. [2018-11-23 05:17:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 05:17:55,840 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:55,841 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:55,841 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:55,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:55,841 INFO L82 PathProgramCache]: Analyzing trace with hash 488627185, now seen corresponding path program 1 times [2018-11-23 05:17:55,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:17:55,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:17:55,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:55,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:55,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:55,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:55,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:17:55,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:17:55,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:17:55,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:17:55,953 INFO L87 Difference]: Start difference. First operand 776 states and 1149 transitions. Second operand 4 states. [2018-11-23 05:17:56,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:56,991 INFO L93 Difference]: Finished difference Result 3002 states and 4593 transitions. [2018-11-23 05:17:56,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:17:56,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-11-23 05:17:56,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:57,005 INFO L225 Difference]: With dead ends: 3002 [2018-11-23 05:17:57,005 INFO L226 Difference]: Without dead ends: 2232 [2018-11-23 05:17:57,010 INFO L631 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 [2018-11-23 05:17:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2018-11-23 05:17:57,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2232. [2018-11-23 05:17:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2018-11-23 05:17:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 3144 transitions. [2018-11-23 05:17:57,061 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 3144 transitions. Word has length 137 [2018-11-23 05:17:57,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:57,061 INFO L480 AbstractCegarLoop]: Abstraction has 2232 states and 3144 transitions. [2018-11-23 05:17:57,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:17:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 3144 transitions. [2018-11-23 05:17:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-11-23 05:17:57,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:57,070 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 05:17:57,070 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:57,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:57,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1957605909, now seen corresponding path program 1 times [2018-11-23 05:17:57,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:17:57,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:17:57,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:57,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:57,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:57,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:57,244 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:17:57,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:57,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:17:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:57,488 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:17:57,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 05:17:57,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:17:57,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:17:57,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:17:57,491 INFO L87 Difference]: Start difference. First operand 2232 states and 3144 transitions. Second operand 9 states. [2018-11-23 05:18:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:00,001 INFO L93 Difference]: Finished difference Result 6488 states and 10151 transitions. [2018-11-23 05:18:00,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 05:18:00,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 256 [2018-11-23 05:18:00,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:00,023 INFO L225 Difference]: With dead ends: 6488 [2018-11-23 05:18:00,024 INFO L226 Difference]: Without dead ends: 3307 [2018-11-23 05:18:00,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-23 05:18:00,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2018-11-23 05:18:00,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 3215. [2018-11-23 05:18:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-23 05:18:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 4144 transitions. [2018-11-23 05:18:00,126 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 4144 transitions. Word has length 256 [2018-11-23 05:18:00,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:00,127 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 4144 transitions. [2018-11-23 05:18:00,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:18:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 4144 transitions. [2018-11-23 05:18:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 05:18:00,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:00,138 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:00,139 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:00,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:00,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1276185383, now seen corresponding path program 1 times [2018-11-23 05:18:00,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:00,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:00,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:00,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:00,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 71 proven. 41 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 05:18:00,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:00,316 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:00,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:00,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:00,553 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:00,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 05:18:00,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:18:00,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:18:00,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:18:00,554 INFO L87 Difference]: Start difference. First operand 3215 states and 4144 transitions. Second operand 9 states. [2018-11-23 05:18:01,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:01,675 INFO L93 Difference]: Finished difference Result 6224 states and 8106 transitions. [2018-11-23 05:18:01,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:18:01,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2018-11-23 05:18:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:01,686 INFO L225 Difference]: With dead ends: 6224 [2018-11-23 05:18:01,686 INFO L226 Difference]: Without dead ends: 3217 [2018-11-23 05:18:01,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 271 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:18:01,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2018-11-23 05:18:01,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3159. [2018-11-23 05:18:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3159 states. [2018-11-23 05:18:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 3957 transitions. [2018-11-23 05:18:01,751 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 3957 transitions. Word has length 270 [2018-11-23 05:18:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:01,752 INFO L480 AbstractCegarLoop]: Abstraction has 3159 states and 3957 transitions. [2018-11-23 05:18:01,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:18:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3957 transitions. [2018-11-23 05:18:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 05:18:01,761 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:01,761 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:01,761 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:01,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:01,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1338425938, now seen corresponding path program 1 times [2018-11-23 05:18:01,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:01,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:01,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:01,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:01,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 144 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:02,367 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:02,367 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:02,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:02,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 05:18:02,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:18:02,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-11-23 05:18:02,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 05:18:02,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 05:18:02,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 05:18:02,613 INFO L87 Difference]: Start difference. First operand 3159 states and 3957 transitions. Second operand 15 states. [2018-11-23 05:18:08,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:08,469 INFO L93 Difference]: Finished difference Result 9515 states and 11656 transitions. [2018-11-23 05:18:08,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-23 05:18:08,470 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 273 [2018-11-23 05:18:08,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:08,491 INFO L225 Difference]: With dead ends: 9515 [2018-11-23 05:18:08,491 INFO L226 Difference]: Without dead ends: 5710 [2018-11-23 05:18:08,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 285 SyntacticMatches, 8 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2018-11-23 05:18:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2018-11-23 05:18:08,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 4993. [2018-11-23 05:18:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4993 states. [2018-11-23 05:18:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 5908 transitions. [2018-11-23 05:18:08,620 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 5908 transitions. Word has length 273 [2018-11-23 05:18:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:08,620 INFO L480 AbstractCegarLoop]: Abstraction has 4993 states and 5908 transitions. [2018-11-23 05:18:08,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 05:18:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 5908 transitions. [2018-11-23 05:18:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-23 05:18:08,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:08,642 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 05:18:08,642 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:08,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1103855, now seen corresponding path program 1 times [2018-11-23 05:18:08,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:08,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:08,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:08,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:08,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 191 proven. 197 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:18:09,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:09,275 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:09,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:09,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 303 proven. 53 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 05:18:09,632 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:09,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-23 05:18:09,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 05:18:09,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 05:18:09,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-23 05:18:09,633 INFO L87 Difference]: Start difference. First operand 4993 states and 5908 transitions. Second operand 15 states. [2018-11-23 05:18:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:11,606 INFO L93 Difference]: Finished difference Result 10033 states and 11965 transitions. [2018-11-23 05:18:11,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 05:18:11,607 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 375 [2018-11-23 05:18:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:11,623 INFO L225 Difference]: With dead ends: 10033 [2018-11-23 05:18:11,623 INFO L226 Difference]: Without dead ends: 5028 [2018-11-23 05:18:11,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2018-11-23 05:18:11,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5028 states. [2018-11-23 05:18:11,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5028 to 4992. [2018-11-23 05:18:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4992 states. [2018-11-23 05:18:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 5703 transitions. [2018-11-23 05:18:11,731 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 5703 transitions. Word has length 375 [2018-11-23 05:18:11,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:11,731 INFO L480 AbstractCegarLoop]: Abstraction has 4992 states and 5703 transitions. [2018-11-23 05:18:11,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 05:18:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 5703 transitions. [2018-11-23 05:18:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-23 05:18:11,754 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:11,755 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 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] [2018-11-23 05:18:11,755 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:11,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:11,755 INFO L82 PathProgramCache]: Analyzing trace with hash 796559996, now seen corresponding path program 1 times [2018-11-23 05:18:11,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:11,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:11,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:11,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:11,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-23 05:18:12,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:12,474 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:12,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:12,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-23 05:18:12,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:18:12,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-11-23 05:18:12,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 05:18:12,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 05:18:12,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-23 05:18:12,658 INFO L87 Difference]: Start difference. First operand 4992 states and 5703 transitions. Second operand 16 states. [2018-11-23 05:18:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:15,411 INFO L93 Difference]: Finished difference Result 9791 states and 11243 transitions. [2018-11-23 05:18:15,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 05:18:15,411 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 400 [2018-11-23 05:18:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:15,421 INFO L225 Difference]: With dead ends: 9791 [2018-11-23 05:18:15,421 INFO L226 Difference]: Without dead ends: 5171 [2018-11-23 05:18:15,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=533, Invalid=1819, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 05:18:15,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2018-11-23 05:18:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 5014. [2018-11-23 05:18:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5014 states. [2018-11-23 05:18:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 5565 transitions. [2018-11-23 05:18:15,488 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 5565 transitions. Word has length 400 [2018-11-23 05:18:15,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:15,488 INFO L480 AbstractCegarLoop]: Abstraction has 5014 states and 5565 transitions. [2018-11-23 05:18:15,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 05:18:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 5565 transitions. [2018-11-23 05:18:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-11-23 05:18:15,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:15,507 INFO L402 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, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:15,507 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:15,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash 414053509, now seen corresponding path program 1 times [2018-11-23 05:18:15,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:15,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:15,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:15,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:15,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 411 proven. 222 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-11-23 05:18:15,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:15,963 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:15,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:16,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 626 proven. 2 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-11-23 05:18:16,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:16,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-23 05:18:16,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 05:18:16,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 05:18:16,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:18:16,360 INFO L87 Difference]: Start difference. First operand 5014 states and 5565 transitions. Second operand 11 states. [2018-11-23 05:18:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:19,242 INFO L93 Difference]: Finished difference Result 11971 states and 13582 transitions. [2018-11-23 05:18:19,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 05:18:19,243 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 605 [2018-11-23 05:18:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:19,252 INFO L225 Difference]: With dead ends: 11971 [2018-11-23 05:18:19,252 INFO L226 Difference]: Without dead ends: 5189 [2018-11-23 05:18:19,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 618 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-11-23 05:18:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2018-11-23 05:18:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 4859. [2018-11-23 05:18:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4859 states. [2018-11-23 05:18:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 5393 transitions. [2018-11-23 05:18:19,356 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 5393 transitions. Word has length 605 [2018-11-23 05:18:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:19,357 INFO L480 AbstractCegarLoop]: Abstraction has 4859 states and 5393 transitions. [2018-11-23 05:18:19,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 05:18:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 5393 transitions. [2018-11-23 05:18:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-11-23 05:18:19,370 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:19,371 INFO L402 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 05:18:19,371 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:19,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:19,371 INFO L82 PathProgramCache]: Analyzing trace with hash -142539850, now seen corresponding path program 1 times [2018-11-23 05:18:19,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:19,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:19,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:19,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:19,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 527 proven. 119 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-11-23 05:18:19,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:19,894 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:19,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:20,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 934 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-23 05:18:20,218 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:20,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 05:18:20,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:18:20,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:18:20,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:18:20,220 INFO L87 Difference]: Start difference. First operand 4859 states and 5393 transitions. Second operand 7 states. [2018-11-23 05:18:21,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:21,236 INFO L93 Difference]: Finished difference Result 11532 states and 13748 transitions. [2018-11-23 05:18:21,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 05:18:21,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 676 [2018-11-23 05:18:21,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:21,260 INFO L225 Difference]: With dead ends: 11532 [2018-11-23 05:18:21,260 INFO L226 Difference]: Without dead ends: 7045 [2018-11-23 05:18:21,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:18:21,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7045 states. [2018-11-23 05:18:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7045 to 6768. [2018-11-23 05:18:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2018-11-23 05:18:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 7547 transitions. [2018-11-23 05:18:21,368 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 7547 transitions. Word has length 676 [2018-11-23 05:18:21,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:21,369 INFO L480 AbstractCegarLoop]: Abstraction has 6768 states and 7547 transitions. [2018-11-23 05:18:21,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:18:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 7547 transitions. [2018-11-23 05:18:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-11-23 05:18:21,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:21,383 INFO L402 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, 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, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:21,383 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:21,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:21,384 INFO L82 PathProgramCache]: Analyzing trace with hash 70879184, now seen corresponding path program 1 times [2018-11-23 05:18:21,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:21,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:21,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:21,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:21,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 545 proven. 777 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-11-23 05:18:22,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:22,257 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:22,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:22,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1275 proven. 2 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-11-23 05:18:22,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:22,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-11-23 05:18:22,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 05:18:22,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 05:18:22,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:18:22,760 INFO L87 Difference]: Start difference. First operand 6768 states and 7547 transitions. Second operand 13 states. [2018-11-23 05:18:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:24,039 INFO L93 Difference]: Finished difference Result 13353 states and 15361 transitions. [2018-11-23 05:18:24,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 05:18:24,040 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 707 [2018-11-23 05:18:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:24,064 INFO L225 Difference]: With dead ends: 13353 [2018-11-23 05:18:24,064 INFO L226 Difference]: Without dead ends: 6754 [2018-11-23 05:18:24,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 715 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-11-23 05:18:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6754 states. [2018-11-23 05:18:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6754 to 6608. [2018-11-23 05:18:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6608 states. [2018-11-23 05:18:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 7214 transitions. [2018-11-23 05:18:24,203 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 7214 transitions. Word has length 707 [2018-11-23 05:18:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:24,204 INFO L480 AbstractCegarLoop]: Abstraction has 6608 states and 7214 transitions. [2018-11-23 05:18:24,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 05:18:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 7214 transitions. [2018-11-23 05:18:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-11-23 05:18:24,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:24,215 INFO L402 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, 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, 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] [2018-11-23 05:18:24,215 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:24,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:24,215 INFO L82 PathProgramCache]: Analyzing trace with hash -720451524, now seen corresponding path program 1 times [2018-11-23 05:18:24,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:24,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:24,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:24,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:24,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 571 proven. 855 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-23 05:18:25,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:25,365 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:25,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:25,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 1353 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-11-23 05:18:25,794 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:25,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-23 05:18:25,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 05:18:25,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 05:18:25,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:18:25,795 INFO L87 Difference]: Start difference. First operand 6608 states and 7214 transitions. Second operand 18 states. [2018-11-23 05:18:29,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:29,279 INFO L93 Difference]: Finished difference Result 13136 states and 14475 transitions. [2018-11-23 05:18:29,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 05:18:29,280 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 733 [2018-11-23 05:18:29,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:29,294 INFO L225 Difference]: With dead ends: 13136 [2018-11-23 05:18:29,294 INFO L226 Difference]: Without dead ends: 6586 [2018-11-23 05:18:29,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=473, Invalid=1783, Unknown=0, NotChecked=0, Total=2256 [2018-11-23 05:18:29,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2018-11-23 05:18:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 6102. [2018-11-23 05:18:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6102 states. [2018-11-23 05:18:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 6567 transitions. [2018-11-23 05:18:29,412 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 6567 transitions. Word has length 733 [2018-11-23 05:18:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:29,413 INFO L480 AbstractCegarLoop]: Abstraction has 6102 states and 6567 transitions. [2018-11-23 05:18:29,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 05:18:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 6567 transitions. [2018-11-23 05:18:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-11-23 05:18:29,423 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:29,423 INFO L402 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:29,424 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:29,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:29,424 INFO L82 PathProgramCache]: Analyzing trace with hash 733851430, now seen corresponding path program 1 times [2018-11-23 05:18:29,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:29,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:29,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:29,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:29,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 771 proven. 841 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-11-23 05:18:31,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:31,303 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:31,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:31,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 1250 proven. 2 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2018-11-23 05:18:31,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:31,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-23 05:18:31,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 05:18:31,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 05:18:31,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-23 05:18:31,768 INFO L87 Difference]: Start difference. First operand 6102 states and 6567 transitions. Second operand 20 states. [2018-11-23 05:18:37,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:37,745 INFO L93 Difference]: Finished difference Result 12674 states and 13735 transitions. [2018-11-23 05:18:37,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-23 05:18:37,746 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 835 [2018-11-23 05:18:37,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:37,760 INFO L225 Difference]: With dead ends: 12674 [2018-11-23 05:18:37,760 INFO L226 Difference]: Without dead ends: 6433 [2018-11-23 05:18:37,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 886 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2110 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=971, Invalid=5671, Unknown=0, NotChecked=0, Total=6642 [2018-11-23 05:18:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6433 states. [2018-11-23 05:18:37,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6433 to 6056. [2018-11-23 05:18:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6056 states. [2018-11-23 05:18:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6056 states to 6056 states and 6431 transitions. [2018-11-23 05:18:37,837 INFO L78 Accepts]: Start accepts. Automaton has 6056 states and 6431 transitions. Word has length 835 [2018-11-23 05:18:37,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:37,838 INFO L480 AbstractCegarLoop]: Abstraction has 6056 states and 6431 transitions. [2018-11-23 05:18:37,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 05:18:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 6056 states and 6431 transitions. [2018-11-23 05:18:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2018-11-23 05:18:37,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:37,849 INFO L402 BasicCegarLoop]: trace histogram [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, 9, 9, 9, 9, 9, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:37,850 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:37,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1908903455, now seen corresponding path program 1 times [2018-11-23 05:18:37,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:37,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:37,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 1648 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-11-23 05:18:38,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:38,573 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:38,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:38,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 2434 proven. 6 refuted. 0 times theorem prover too weak. 1510 trivial. 0 not checked. [2018-11-23 05:18:39,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:39,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-23 05:18:39,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:18:39,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:18:39,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:18:39,283 INFO L87 Difference]: Start difference. First operand 6056 states and 6431 transitions. Second operand 9 states. [2018-11-23 05:18:40,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:40,811 INFO L93 Difference]: Finished difference Result 13677 states and 14594 transitions. [2018-11-23 05:18:40,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 05:18:40,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1137 [2018-11-23 05:18:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:40,823 INFO L225 Difference]: With dead ends: 13677 [2018-11-23 05:18:40,823 INFO L226 Difference]: Without dead ends: 7811 [2018-11-23 05:18:40,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1148 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-11-23 05:18:40,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7811 states. [2018-11-23 05:18:40,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7811 to 6425. [2018-11-23 05:18:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6425 states. [2018-11-23 05:18:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6425 states to 6425 states and 6811 transitions. [2018-11-23 05:18:40,952 INFO L78 Accepts]: Start accepts. Automaton has 6425 states and 6811 transitions. Word has length 1137 [2018-11-23 05:18:40,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:40,953 INFO L480 AbstractCegarLoop]: Abstraction has 6425 states and 6811 transitions. [2018-11-23 05:18:40,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:18:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6425 states and 6811 transitions. [2018-11-23 05:18:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2018-11-23 05:18:40,971 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:40,971 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:18:40,972 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:40,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1213581359, now seen corresponding path program 1 times [2018-11-23 05:18:40,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:40,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:40,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:40,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:40,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 1011 proven. 1833 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2018-11-23 05:18:42,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:42,664 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:42,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:42,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 2561 proven. 2 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2018-11-23 05:18:43,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:43,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 05:18:43,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 05:18:43,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 05:18:43,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-23 05:18:43,375 INFO L87 Difference]: Start difference. First operand 6425 states and 6811 transitions. Second operand 17 states. [2018-11-23 05:18:46,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:46,392 INFO L93 Difference]: Finished difference Result 12533 states and 13576 transitions. [2018-11-23 05:18:46,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 05:18:46,392 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1159 [2018-11-23 05:18:46,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:46,400 INFO L225 Difference]: With dead ends: 12533 [2018-11-23 05:18:46,401 INFO L226 Difference]: Without dead ends: 5410 [2018-11-23 05:18:46,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1237 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=652, Invalid=2540, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 05:18:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2018-11-23 05:18:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 5246. [2018-11-23 05:18:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5246 states. [2018-11-23 05:18:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 5539 transitions. [2018-11-23 05:18:46,485 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 5539 transitions. Word has length 1159 [2018-11-23 05:18:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:46,486 INFO L480 AbstractCegarLoop]: Abstraction has 5246 states and 5539 transitions. [2018-11-23 05:18:46,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 05:18:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 5539 transitions. [2018-11-23 05:18:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1224 [2018-11-23 05:18:46,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:46,500 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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] [2018-11-23 05:18:46,501 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:46,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:46,501 INFO L82 PathProgramCache]: Analyzing trace with hash 248536811, now seen corresponding path program 1 times [2018-11-23 05:18:46,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:46,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:46,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:46,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:46,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 1019 proven. 1936 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2018-11-23 05:18:48,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:48,883 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:48,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:49,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 2584 proven. 2 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2018-11-23 05:18:49,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:49,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-23 05:18:49,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 05:18:49,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 05:18:49,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:18:49,825 INFO L87 Difference]: Start difference. First operand 5246 states and 5539 transitions. Second operand 18 states. [2018-11-23 05:18:52,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:52,564 INFO L93 Difference]: Finished difference Result 10509 states and 11139 transitions. [2018-11-23 05:18:52,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 05:18:52,564 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1223 [2018-11-23 05:18:52,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:52,573 INFO L225 Difference]: With dead ends: 10509 [2018-11-23 05:18:52,574 INFO L226 Difference]: Without dead ends: 5453 [2018-11-23 05:18:52,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1292 GetRequests, 1247 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2018-11-23 05:18:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5453 states. [2018-11-23 05:18:52,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5453 to 5248. [2018-11-23 05:18:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5248 states. [2018-11-23 05:18:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 5470 transitions. [2018-11-23 05:18:52,650 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 5470 transitions. Word has length 1223 [2018-11-23 05:18:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:52,651 INFO L480 AbstractCegarLoop]: Abstraction has 5248 states and 5470 transitions. [2018-11-23 05:18:52,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 05:18:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 5470 transitions. [2018-11-23 05:18:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1573 [2018-11-23 05:18:52,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:52,665 INFO L402 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, 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, 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, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 05:18:52,665 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:52,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:52,666 INFO L82 PathProgramCache]: Analyzing trace with hash -74727153, now seen corresponding path program 1 times [2018-11-23 05:18:52,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:52,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:52,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:52,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:52,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 1123 proven. 3869 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2018-11-23 05:18:55,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:18:55,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:18:55,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:55,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:18:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 4606 proven. 2 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2018-11-23 05:18:56,433 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:18:56,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-23 05:18:56,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 05:18:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 05:18:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:18:56,435 INFO L87 Difference]: Start difference. First operand 5248 states and 5470 transitions. Second operand 19 states. [2018-11-23 05:18:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:18:59,670 INFO L93 Difference]: Finished difference Result 10706 states and 11593 transitions. [2018-11-23 05:18:59,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 05:18:59,671 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1572 [2018-11-23 05:18:59,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:18:59,682 INFO L225 Difference]: With dead ends: 10706 [2018-11-23 05:18:59,682 INFO L226 Difference]: Without dead ends: 5648 [2018-11-23 05:18:59,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1656 GetRequests, 1599 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=722, Invalid=2470, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 05:18:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2018-11-23 05:18:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5246. [2018-11-23 05:18:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5246 states. [2018-11-23 05:18:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 5446 transitions. [2018-11-23 05:18:59,765 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 5446 transitions. Word has length 1572 [2018-11-23 05:18:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:18:59,765 INFO L480 AbstractCegarLoop]: Abstraction has 5246 states and 5446 transitions. [2018-11-23 05:18:59,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 05:18:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 5446 transitions. [2018-11-23 05:18:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1691 [2018-11-23 05:18:59,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:18:59,782 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 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, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 05:18:59,782 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:18:59,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:59,783 INFO L82 PathProgramCache]: Analyzing trace with hash 245384140, now seen corresponding path program 1 times [2018-11-23 05:18:59,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:18:59,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:18:59,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:59,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:18:59,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:18:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 1915 proven. 5275 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-11-23 05:19:03,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:19:03,625 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:19:03,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:19:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:03,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:19:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 2841 proven. 82 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-11-23 05:19:04,834 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:19:04,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-11-23 05:19:04,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-23 05:19:04,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-23 05:19:04,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 05:19:04,837 INFO L87 Difference]: Start difference. First operand 5246 states and 5446 transitions. Second operand 33 states. [2018-11-23 05:19:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:19:20,804 INFO L93 Difference]: Finished difference Result 11722 states and 12455 transitions. [2018-11-23 05:19:20,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-11-23 05:19:20,805 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1690 [2018-11-23 05:19:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:19:20,811 INFO L225 Difference]: With dead ends: 11722 [2018-11-23 05:19:20,812 INFO L226 Difference]: Without dead ends: 5768 [2018-11-23 05:19:20,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1742 SyntacticMatches, 2 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9430 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=3588, Invalid=22494, Unknown=0, NotChecked=0, Total=26082 [2018-11-23 05:19:20,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2018-11-23 05:19:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 4628. [2018-11-23 05:19:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4628 states. [2018-11-23 05:19:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4628 states to 4628 states and 4781 transitions. [2018-11-23 05:19:20,883 INFO L78 Accepts]: Start accepts. Automaton has 4628 states and 4781 transitions. Word has length 1690 [2018-11-23 05:19:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:19:20,884 INFO L480 AbstractCegarLoop]: Abstraction has 4628 states and 4781 transitions. [2018-11-23 05:19:20,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-23 05:19:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 4628 states and 4781 transitions. [2018-11-23 05:19:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1943 [2018-11-23 05:19:20,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:19:20,902 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 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, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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] [2018-11-23 05:19:20,902 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:19:20,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:19:20,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1961048688, now seen corresponding path program 1 times [2018-11-23 05:19:20,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:19:20,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:19:20,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:19:20,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:19:20,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:19:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11966 backedges. 2511 proven. 6788 refuted. 0 times theorem prover too weak. 2667 trivial. 0 not checked. [2018-11-23 05:19:25,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:19:25,052 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:19:25,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:19:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:25,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:19:27,564 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-23 05:19:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 11966 backedges. 5770 proven. 12 refuted. 0 times theorem prover too weak. 6184 trivial. 0 not checked. [2018-11-23 05:19:28,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:19:28,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9] total 33 [2018-11-23 05:19:28,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-23 05:19:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-23 05:19:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=938, Unknown=1, NotChecked=0, Total=1056 [2018-11-23 05:19:28,691 INFO L87 Difference]: Start difference. First operand 4628 states and 4781 transitions. Second operand 33 states. [2018-11-23 05:19:37,275 WARN L180 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2018-11-23 05:19:43,609 WARN L180 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2018-11-23 05:19:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:19:58,183 INFO L93 Difference]: Finished difference Result 13121 states and 14212 transitions. [2018-11-23 05:19:58,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-11-23 05:19:58,184 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1942 [2018-11-23 05:19:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:19:58,201 INFO L225 Difference]: With dead ends: 13121 [2018-11-23 05:19:58,201 INFO L226 Difference]: Without dead ends: 7261 [2018-11-23 05:19:58,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2173 GetRequests, 1995 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11187 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=4193, Invalid=27310, Unknown=3, NotChecked=0, Total=31506 [2018-11-23 05:19:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2018-11-23 05:19:58,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5318. [2018-11-23 05:19:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5318 states. [2018-11-23 05:19:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 5466 transitions. [2018-11-23 05:19:58,313 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 5466 transitions. Word has length 1942 [2018-11-23 05:19:58,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:19:58,314 INFO L480 AbstractCegarLoop]: Abstraction has 5318 states and 5466 transitions. [2018-11-23 05:19:58,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-23 05:19:58,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 5466 transitions. [2018-11-23 05:19:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1996 [2018-11-23 05:19:58,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:19:58,334 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 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, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 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] [2018-11-23 05:19:58,334 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:19:58,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:19:58,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2041365771, now seen corresponding path program 1 times [2018-11-23 05:19:58,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:19:58,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:19:58,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:19:58,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:19:58,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:19:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12134 backedges. 6694 proven. 1411 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2018-11-23 05:20:02,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:20:02,692 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:20:02,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:20:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:02,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:20:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12134 backedges. 2119 proven. 2 refuted. 0 times theorem prover too weak. 10013 trivial. 0 not checked. [2018-11-23 05:20:04,355 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:20:04,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-11-23 05:20:04,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 05:20:04,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 05:20:04,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:20:04,357 INFO L87 Difference]: Start difference. First operand 5318 states and 5466 transitions. Second operand 19 states. [2018-11-23 05:20:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:20:07,694 INFO L93 Difference]: Finished difference Result 10254 states and 10575 transitions. [2018-11-23 05:20:07,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-23 05:20:07,694 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1995 [2018-11-23 05:20:07,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:20:07,701 INFO L225 Difference]: With dead ends: 10254 [2018-11-23 05:20:07,701 INFO L226 Difference]: Without dead ends: 5126 [2018-11-23 05:20:07,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2077 GetRequests, 2029 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=555, Invalid=1895, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 05:20:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2018-11-23 05:20:07,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 4571. [2018-11-23 05:20:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4571 states. [2018-11-23 05:20:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 4571 states and 4640 transitions. [2018-11-23 05:20:07,792 INFO L78 Accepts]: Start accepts. Automaton has 4571 states and 4640 transitions. Word has length 1995 [2018-11-23 05:20:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:20:07,793 INFO L480 AbstractCegarLoop]: Abstraction has 4571 states and 4640 transitions. [2018-11-23 05:20:07,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 05:20:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4571 states and 4640 transitions. [2018-11-23 05:20:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2289 [2018-11-23 05:20:07,816 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:20:07,817 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 13, 13, 13, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 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, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-23 05:20:07,817 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:20:07,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:20:07,817 INFO L82 PathProgramCache]: Analyzing trace with hash -457733638, now seen corresponding path program 1 times [2018-11-23 05:20:07,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:20:07,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:20:07,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:20:07,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:20:07,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:20:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 15986 backedges. 2185 proven. 5841 refuted. 0 times theorem prover too weak. 7960 trivial. 0 not checked. [2018-11-23 05:20:11,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:20:11,894 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:20:11,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:20:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:12,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:20:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 15986 backedges. 6998 proven. 2 refuted. 0 times theorem prover too weak. 8986 trivial. 0 not checked. [2018-11-23 05:20:13,893 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:20:13,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-23 05:20:13,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 05:20:13,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 05:20:13,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:20:13,895 INFO L87 Difference]: Start difference. First operand 4571 states and 4640 transitions. Second operand 18 states. [2018-11-23 05:20:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:20:15,977 INFO L93 Difference]: Finished difference Result 6623 states and 6755 transitions. [2018-11-23 05:20:15,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 05:20:15,977 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2288 [2018-11-23 05:20:15,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:20:15,983 INFO L225 Difference]: With dead ends: 6623 [2018-11-23 05:20:15,983 INFO L226 Difference]: Without dead ends: 4024 [2018-11-23 05:20:15,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2360 GetRequests, 2318 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=443, Invalid=1449, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 05:20:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2018-11-23 05:20:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 3891. [2018-11-23 05:20:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3891 states. [2018-11-23 05:20:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3891 states and 3937 transitions. [2018-11-23 05:20:16,041 INFO L78 Accepts]: Start accepts. Automaton has 3891 states and 3937 transitions. Word has length 2288 [2018-11-23 05:20:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:20:16,042 INFO L480 AbstractCegarLoop]: Abstraction has 3891 states and 3937 transitions. [2018-11-23 05:20:16,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 05:20:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 3937 transitions. [2018-11-23 05:20:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2425 [2018-11-23 05:20:16,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:20:16,068 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 14, 14, 14, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 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, 4, 4, 4, 3, 3, 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] [2018-11-23 05:20:16,068 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:20:16,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:20:16,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1529888679, now seen corresponding path program 1 times [2018-11-23 05:20:16,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:20:16,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:20:16,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:20:16,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:20:16,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:20:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18021 backedges. 2268 proven. 9214 refuted. 0 times theorem prover too weak. 6539 trivial. 0 not checked. [2018-11-23 05:20:21,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:20:21,582 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:20:21,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:20:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:21,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:20:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18021 backedges. 2554 proven. 38 refuted. 0 times theorem prover too weak. 15429 trivial. 0 not checked. [2018-11-23 05:20:23,598 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:20:23,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 6] total 30 [2018-11-23 05:20:23,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-23 05:20:23,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-23 05:20:23,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2018-11-23 05:20:23,600 INFO L87 Difference]: Start difference. First operand 3891 states and 3937 transitions. Second operand 30 states. [2018-11-23 05:20:31,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:20:31,787 INFO L93 Difference]: Finished difference Result 4822 states and 4927 transitions. [2018-11-23 05:20:31,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-11-23 05:20:31,788 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 2424 [2018-11-23 05:20:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:20:31,790 INFO L225 Difference]: With dead ends: 4822 [2018-11-23 05:20:31,791 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:20:31,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2552 GetRequests, 2451 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2871 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1656, Invalid=8444, Unknown=0, NotChecked=0, Total=10100 [2018-11-23 05:20:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:20:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:20:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:20:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:20:31,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2424 [2018-11-23 05:20:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:20:31,796 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:20:31,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-23 05:20:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:20:31,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:20:31,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:20:31,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:31,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:31,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:31,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:32,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:33,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:34,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:34,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:34,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,163 WARN L180 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1126 DAG size of output: 960 [2018-11-23 05:20:35,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:35,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:36,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:37,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:20:37,726 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1126 DAG size of output: 960 [2018-11-23 05:20:40,246 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 468 DAG size of output: 160 [2018-11-23 05:20:47,014 WARN L180 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 916 DAG size of output: 142 [2018-11-23 05:20:53,713 WARN L180 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 916 DAG size of output: 142 [2018-11-23 05:20:53,715 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,716 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 05:20:53,717 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,718 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 05:20:53,719 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,720 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,721 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,722 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 05:20:53,723 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= 7 |old(~a15~0)|)) (.cse4 (= 7 |old(~a21~0)|))) (let ((.cse24 (= 9 ~a15~0)) (.cse3 (= 6 |old(~a21~0)|)) (.cse35 (not .cse4)) (.cse27 (not .cse14)) (.cse6 (not (= 1 |old(~a24~0)|))) (.cse17 (= 10 |old(~a21~0)|)) (.cse23 (= 10 ~a21~0)) (.cse9 (= 1 ~a24~0)) (.cse34 (= 8 ~a15~0)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse8 (= ~a21~0 |old(~a21~0)|)) (.cse31 (= |old(~a15~0)| ~a15~0))) (let ((.cse16 (and .cse7 .cse25 .cse8 .cse31)) (.cse0 (not (= 6 |old(~a15~0)|))) (.cse28 (<= (+ ~a12~0 43) 0)) (.cse29 (< 0 (+ |old(~a12~0)| 43))) (.cse18 (< 0 (+ |old(~a12~0)| 49))) (.cse15 (< 7 |old(~a15~0)|)) (.cse2 (and .cse7 .cse8 .cse9 .cse34)) (.cse19 (and .cse7 .cse31 .cse9 .cse23)) (.cse22 (< 8 |old(~a15~0)|)) (.cse21 (< 11 |old(~a12~0)|)) (.cse32 (<= ~a12~0 |old(~a12~0)|)) (.cse20 (not .cse17)) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse10 (or (or .cse35 .cse27) .cse6)) (.cse26 (= ~a15~0 |old(~a15~0)|)) (.cse30 (not (= 8 |old(~a21~0)|))) (.cse12 (not .cse3)) (.cse33 (not (= 5 |old(~a15~0)|))) (.cse13 (not (= 9 |old(~a15~0)|))) (.cse1 (< |old(~a12~0)| 19)) (.cse11 (and .cse7 .cse8 .cse9 .cse24))) (and (or .cse0 (= 6 ~a15~0)) (or .cse1 .cse2 (or .cse3 (< 76 |old(~a12~0)|) .cse4 .cse5) .cse6) (or (< 0 (+ |old(~a12~0)| 460226)) (and .cse7 .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse13 (< 95442 |old(~a12~0)|) .cse6 (< |old(~a12~0)| 95381)) (or .cse3 .cse14 .cse15 .cse16 .cse17) (or .cse16 .cse18 .cse14 .cse15 .cse17) (or .cse19 .cse20 .cse14 .cse6 .cse21 .cse22) (or .cse13 .cse20 (and .cse7 .cse9 .cse23 .cse24) .cse6 .cse21) (or (and (and .cse7 .cse25 .cse23) .cse26) (or .cse13 .cse20 (< |old(~a12~0)| 81) .cse6)) (or .cse12 .cse27 (= ~a21~0 6)) (or .cse28 .cse0 .cse29) (or .cse2 .cse1 .cse5 .cse30 .cse6 (< 73282 |old(~a12~0)|)) (or (and (not (= 7 ~a21~0)) .cse31) .cse4 .cse27) (or (and .cse28 .cse31) .cse27 .cse29) (or .cse2 (or .cse5 .cse3 .cse21) .cse6) (or .cse2 .cse6 .cse5 .cse29) (or (and .cse32 .cse25 .cse8 .cse31) .cse18 .cse14 .cse15) (or .cse12 .cse2 .cse6 .cse5 (< |old(~a12~0)| 286349)) (or .cse19 .cse20 .cse1 .cse33 .cse6) (or .cse19 .cse20 .cse14 .cse6 (< 72 |old(~a12~0)|) (<= |old(~a12~0)| 18) .cse22) (or .cse11 .cse30 .cse13 .cse6 .cse21) (or .cse27 (< 0 (+ |old(~a12~0)| 546051)) (< |old(~a21~0)| 7) (and .cse32 .cse25 .cse8)) (or .cse20 .cse1 (and .cse7 .cse9 .cse34 .cse23) .cse6 .cse5) (or (and .cse7 .cse8 (= 7 ~a15~0) .cse9) .cse1 .cse10) (or (and (and .cse7 .cse9) .cse8 .cse26) (and (or .cse13 .cse1 .cse6 .cse30) (or .cse13 .cse35 .cse1 .cse6))) (or .cse12 .cse6 .cse33 (and .cse7 .cse8 .cse31 .cse9)) (or .cse13 .cse1 .cse6 (not (= |old(~a15~0)| |old(~a21~0)|)) .cse11))))) [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 05:20:53,724 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 05:20:53,725 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 05:20:53,726 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 05:20:53,727 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 05:20:53,728 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,729 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 05:20:53,730 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 05:20:53,731 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 05:20:53,732 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 05:20:53,733 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 05:20:53,734 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-23 05:20:53,735 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:20:53,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:20:53,735 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-23 05:20:53,736 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 05:20:53,736 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= 7 ~a15~0))) (let ((.cse20 (= 10 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse28 (not .cse1))) (let ((.cse6 (= 7 ~a21~0)) (.cse4 (= 1 ~a24~0)) (.cse16 (and .cse2 .cse28)) (.cse13 (not (= 1 |old(~a24~0)|))) (.cse17 (not .cse20)) (.cse25 (= ~a21~0 6)) (.cse26 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse27 (< 80 ~a12~0))) (let ((.cse11 (or .cse27 (= ~a21~0 |old(~a21~0)|))) (.cse14 (= 8 ~a21~0)) (.cse15 (and .cse25 .cse28 .cse26)) (.cse10 (= ~a21~0 8)) (.cse19 (or (and .cse17 (not (= 9 ~a21~0))) .cse27)) (.cse8 (and .cse4 (and .cse16 .cse26 (or .cse13 (not (= |old(~a15~0)| 9)))))) (.cse24 (<= ~a12~0 72)) (.cse9 (= 5 ~a15~0)) (.cse0 (not .cse6)) (.cse5 (<= 19 ~a12~0)) (.cse18 (not (= 6 ~a21~0))) (.cse22 (= 8 ~a15~0)) (.cse3 (<= (+ ~a12~0 43) 0)) (.cse21 (<= ~a12~0 11)) (.cse23 (= ~a21~0 10)) (.cse12 (= ~a24~0 |old(~a24~0)|)) (.cse7 (= 9 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 (<= (+ ~a12~0 49) 0)) (and .cse1 .cse3) (and (and .cse1 .cse4) .cse5) (and (and .cse6 .cse4) .cse7 .cse5) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse8 .cse5) .cse9) (and (and (and (<= ~a12~0 73282) .cse10) .cse11) .cse12 (= |old(~a15~0)| ~a15~0)) .cse13 (and (and .cse14 .cse4) .cse11 .cse7) (and (<= ~a12~0 95442) .cse7 (and (<= 95381 ~a12~0) (and .cse4 .cse15))) (not (= 8 |old(~a15~0)|)) (and .cse16 .cse17 .cse18) (and (and .cse4 .cse19) .cse20 .cse7) (and (and .cse21 .cse14 .cse4) .cse7) (and (and .cse4 (and .cse22 .cse20)) .cse5) (= 6 ~a15~0) (and (and (and .cse16 .cse21) .cse23) .cse12) (and (<= 286349 ~a12~0) .cse4 (and .cse22 .cse15)) (and (and .cse4 (and .cse10 .cse24)) .cse7 .cse5) (and (and .cse19 (= ~a15~0 ~a21~0)) .cse4 .cse7) (and (and .cse23 .cse8) (< 18 ~a12~0) .cse24) (< 7 |old(~a21~0)|) (and (and .cse4 .cse25) .cse9) (and (and (<= ~a12~0 76) (and .cse17 (and .cse0 (<= ~a15~0 8)) .cse18)) .cse12 .cse5) (< |old(~a21~0)| 7) (and (and (and .cse21 .cse18) .cse22) .cse4) (and .cse22 (and .cse3 .cse4)) (and (and .cse21 .cse23) .cse12 .cse7)))))) [2018-11-23 05:20:53,736 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 05:20:53,736 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 05:20:53,737 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= 7 ~a15~0))) (let ((.cse20 (= 10 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse28 (not .cse1))) (let ((.cse6 (= 7 ~a21~0)) (.cse4 (= 1 ~a24~0)) (.cse16 (and .cse2 .cse28)) (.cse13 (not (= 1 |old(~a24~0)|))) (.cse17 (not .cse20)) (.cse25 (= ~a21~0 6)) (.cse26 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse27 (< 80 ~a12~0))) (let ((.cse11 (or .cse27 (= ~a21~0 |old(~a21~0)|))) (.cse14 (= 8 ~a21~0)) (.cse15 (and .cse25 .cse28 .cse26)) (.cse10 (= ~a21~0 8)) (.cse19 (or (and .cse17 (not (= 9 ~a21~0))) .cse27)) (.cse8 (and .cse4 (and .cse16 .cse26 (or .cse13 (not (= |old(~a15~0)| 9)))))) (.cse24 (<= ~a12~0 72)) (.cse9 (= 5 ~a15~0)) (.cse0 (not .cse6)) (.cse5 (<= 19 ~a12~0)) (.cse18 (not (= 6 ~a21~0))) (.cse22 (= 8 ~a15~0)) (.cse3 (<= (+ ~a12~0 43) 0)) (.cse21 (<= ~a12~0 11)) (.cse23 (= ~a21~0 10)) (.cse12 (= ~a24~0 |old(~a24~0)|)) (.cse7 (= 9 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 (<= (+ ~a12~0 49) 0)) (and .cse1 .cse3) (and (and .cse1 .cse4) .cse5) (and (and .cse6 .cse4) .cse7 .cse5) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse8 .cse5) .cse9) (and (and (and (<= ~a12~0 73282) .cse10) .cse11) .cse12 (= |old(~a15~0)| ~a15~0)) .cse13 (and (and .cse14 .cse4) .cse11 .cse7) (and (<= ~a12~0 95442) .cse7 (and (<= 95381 ~a12~0) (and .cse4 .cse15))) (not (= 8 |old(~a15~0)|)) (and .cse16 .cse17 .cse18) (and (and .cse4 .cse19) .cse20 .cse7) (and (and .cse21 .cse14 .cse4) .cse7) (and (and .cse4 (and .cse22 .cse20)) .cse5) (= 6 ~a15~0) (and (and (and .cse16 .cse21) .cse23) .cse12) (and (<= 286349 ~a12~0) .cse4 (and .cse22 .cse15)) (and (and .cse4 (and .cse10 .cse24)) .cse7 .cse5) (and (and .cse19 (= ~a15~0 ~a21~0)) .cse4 .cse7) (and (and .cse23 .cse8) (< 18 ~a12~0) .cse24) (< 7 |old(~a21~0)|) (and (and .cse4 .cse25) .cse9) (and (and (<= ~a12~0 76) (and .cse17 (and .cse0 (<= ~a15~0 8)) .cse18)) .cse12 .cse5) (< |old(~a21~0)| 7) (and (and (and .cse21 .cse18) .cse22) .cse4) (and .cse22 (and .cse3 .cse4)) (and (and .cse21 .cse23) .cse12 .cse7)))))) [2018-11-23 05:20:53,737 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 05:20:53,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:20:53 BoogieIcfgContainer [2018-11-23 05:20:53,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:20:53,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:20:53,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:20:53,763 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:20:53,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:52" (3/4) ... [2018-11-23 05:20:53,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:20:53,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:20:53,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 05:20:53,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:20:53,793 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:20:53,794 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 05:20:53,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || (a15 <= 7 && a12 + 49 <= 0)) || (7 == a15 && a12 + 43 <= 0)) || ((7 == a15 && 1 == a24) && 19 <= a12)) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || (((1 == a24 && ((a15 <= 7 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 19 <= a12) && 5 == a15)) || ((((a12 <= 73282 && a21 == 8) && (80 < a12 || a21 == \old(a21))) && a24 == \old(a24)) && \old(a15) == a15)) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && (80 < a12 || a21 == \old(a21))) && 9 == a15)) || ((a12 <= 95442 && 9 == a15) && 95381 <= a12 && 1 == a24 && (a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12)))) || !(8 == \old(a15))) || (((a15 <= 7 && !(7 == a15)) && !(10 == a21)) && !(6 == a21))) || (((1 == a24 && ((!(10 == a21) && !(9 == a21)) || 80 < a12)) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && 8 == a21) && 1 == a24) && 9 == a15)) || ((1 == a24 && 8 == a15 && 10 == a21) && 19 <= a12)) || 6 == a15) || ((((a15 <= 7 && !(7 == a15)) && a12 <= 11) && a21 == 10) && a24 == \old(a24))) || ((286349 <= a12 && 1 == a24) && 8 == a15 && (a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12)))) || (((1 == a24 && a21 == 8 && a12 <= 72) && 9 == a15) && 19 <= a12)) || (((((!(10 == a21) && !(9 == a21)) || 80 < a12) && a15 == a21) && 1 == a24) && 9 == a15)) || (((a21 == 10 && 1 == a24 && ((a15 <= 7 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 18 < a12) && a12 <= 72)) || 7 < \old(a21)) || ((1 == a24 && a21 == 6) && 5 == a15)) || (((a12 <= 76 && (!(10 == a21) && !(7 == a21) && a15 <= 8) && !(6 == a21)) && a24 == \old(a24)) && 19 <= a12)) || \old(a21) < 7) || (((a12 <= 11 && !(6 == a21)) && 8 == a15) && 1 == a24)) || (8 == a15 && a12 + 43 <= 0 && 1 == a24)) || (((a12 <= 11 && a21 == 10) && a24 == \old(a24)) && 9 == a15) [2018-11-23 05:20:53,937 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b7298a7f-9096-499d-ad46-1e4c7056b92f/bin-2019/uautomizer/witness.graphml [2018-11-23 05:20:53,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:20:53,938 INFO L168 Benchmark]: Toolchain (without parser) took 182818.80 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 956.4 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,938 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:20:53,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 912.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 912.4 MB in the beginning and 1.2 GB in the end (delta: -271.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,939 INFO L168 Benchmark]: Boogie Preprocessor took 67.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,940 INFO L168 Benchmark]: RCFGBuilder took 1136.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 121.4 MB). Peak memory consumption was 121.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,940 INFO L168 Benchmark]: TraceAbstraction took 180883.42 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 05:20:53,940 INFO L168 Benchmark]: Witness Printer took 173.94 ms. Allocated memory is still 5.1 GB. Free memory is still 3.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:20:53,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 912.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 912.4 MB in the beginning and 1.2 GB in the end (delta: -271.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1136.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 121.4 MB). Peak memory consumption was 121.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 180883.42 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 173.94 ms. Allocated memory is still 5.1 GB. Free memory is still 3.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || (a15 <= 7 && a12 + 49 <= 0)) || (7 == a15 && a12 + 43 <= 0)) || ((7 == a15 && 1 == a24) && 19 <= a12)) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || (((1 == a24 && ((a15 <= 7 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 19 <= a12) && 5 == a15)) || ((((a12 <= 73282 && a21 == 8) && (80 < a12 || a21 == \old(a21))) && a24 == \old(a24)) && \old(a15) == a15)) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && (80 < a12 || a21 == \old(a21))) && 9 == a15)) || ((a12 <= 95442 && 9 == a15) && 95381 <= a12 && 1 == a24 && (a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12)))) || !(8 == \old(a15))) || (((a15 <= 7 && !(7 == a15)) && !(10 == a21)) && !(6 == a21))) || (((1 == a24 && ((!(10 == a21) && !(9 == a21)) || 80 < a12)) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && 8 == a21) && 1 == a24) && 9 == a15)) || ((1 == a24 && 8 == a15 && 10 == a21) && 19 <= a12)) || 6 == a15) || ((((a15 <= 7 && !(7 == a15)) && a12 <= 11) && a21 == 10) && a24 == \old(a24))) || ((286349 <= a12 && 1 == a24) && 8 == a15 && (a21 == 6 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12)))) || (((1 == a24 && a21 == 8 && a12 <= 72) && 9 == a15) && 19 <= a12)) || (((((!(10 == a21) && !(9 == a21)) || 80 < a12) && a15 == a21) && 1 == a24) && 9 == a15)) || (((a21 == 10 && 1 == a24 && ((a15 <= 7 && !(7 == a15)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && 18 < a12) && a12 <= 72)) || 7 < \old(a21)) || ((1 == a24 && a21 == 6) && 5 == a15)) || (((a12 <= 76 && (!(10 == a21) && !(7 == a21) && a15 <= 8) && !(6 == a21)) && a24 == \old(a24)) && 19 <= a12)) || \old(a21) < 7) || (((a12 <= 11 && !(6 == a21)) && 8 == a15) && 1 == a24)) || (8 == a15 && a12 + 43 <= 0 && 1 == a24)) || (((a12 <= 11 && a21 == 10) && a24 == \old(a24)) && 9 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 180.7s OverallTime, 22 OverallIterations, 19 TraceHistogramMax, 102.2s AutomataDifference, 0.0s DeadEndRemovalTime, 21.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1865 SDtfs, 88593 SDslu, 6593 SDs, 0 SdLazy, 122326 SolverSat, 12144 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 54.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22071 GetRequests, 20996 SyntacticMatches, 30 SemanticMatches, 1045 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31522 ImplicationChecksByTransitivity, 40.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6768occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 8800 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 527 PreInvPairs, 741 NumberOfFragments, 1758 HoareAnnotationTreeSize, 527 FomulaSimplifications, 124301231 FormulaSimplificationTreeSizeReduction, 5.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 41947274 FormulaSimplificationTreeSizeReductionInter, 15.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 41424 NumberOfCodeBlocks, 41424 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 41383 ConstructedInterpolants, 2 QuantifiedInterpolants, 247548557 SizeOfPredicates, 27 NumberOfNonLiveVariables, 28547 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 41 InterpolantComputations, 5 PerfectInterpolantSequences, 152943/192774 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...