./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_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_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 8c3ab847d37615cc89461d344e344751adad439b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:21:25,524 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:21:25,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:21:25,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:21:25,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:21:25,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:21:25,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:21:25,535 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:21:25,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:21:25,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:21:25,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:21:25,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:21:25,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:21:25,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:21:25,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:21:25,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:21:25,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:21:25,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:21:25,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:21:25,543 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:21:25,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:21:25,545 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:21:25,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:21:25,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:21:25,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:21:25,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:21:25,548 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:21:25,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:21:25,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:21:25,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:21:25,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:21:25,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:21:25,551 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:21:25,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:21:25,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:21:25,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:21:25,552 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:21:25,559 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:21:25,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:21:25,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:21:25,560 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:21:25,560 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:21:25,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:21:25,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:21:25,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:21:25,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:21:25,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:21:25,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:21:25,564 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:21:25,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:21:25,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:21:25,564 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_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 -> 8c3ab847d37615cc89461d344e344751adad439b [2018-11-23 15:21:25,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:21:25,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:21:25,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:21:25,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:21:25,599 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:21:25,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-23 15:21:25,641 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/data/d56623c3b/3d144f657c6249dab228567a439a9d3b/FLAGcde5c0244 [2018-11-23 15:21:26,090 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:21:26,090 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-23 15:21:26,100 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/data/d56623c3b/3d144f657c6249dab228567a439a9d3b/FLAGcde5c0244 [2018-11-23 15:21:26,115 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/data/d56623c3b/3d144f657c6249dab228567a439a9d3b [2018-11-23 15:21:26,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:21:26,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:21:26,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:21:26,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:21:26,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:21:26,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,123 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 03:21:26, skipping insertion in model container [2018-11-23 15:21:26,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:21:26,166 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:21:26,421 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:21:26,424 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:21:26,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:21:26,587 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:21:26,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26 WrapperNode [2018-11-23 15:21:26,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:21:26,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:21:26,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:21:26,589 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:21:26,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:21:26,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:21:26,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:21:26,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:21:26,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... [2018-11-23 15:21:26,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:21:26,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:21:26,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:21:26,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:21:26,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:21:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:21:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:21:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:21:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:21:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:21:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:21:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:21:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:21:27,886 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:21:27,886 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:21:27,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:27 BoogieIcfgContainer [2018-11-23 15:21:27,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:21:27,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:21:27,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:21:27,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:21:27,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:26" (1/3) ... [2018-11-23 15:21:27,891 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 03:21:27, skipping insertion in model container [2018-11-23 15:21:27,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26" (2/3) ... [2018-11-23 15:21:27,892 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 03:21:27, skipping insertion in model container [2018-11-23 15:21:27,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:27" (3/3) ... [2018-11-23 15:21:27,893 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label09_true-unreach-call_false-termination.c [2018-11-23 15:21:27,902 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:21:27,909 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:21:27,923 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:21:27,954 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:21:27,954 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:21:27,954 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:21:27,955 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:21:27,955 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:21:27,955 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:21:27,955 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:21:27,955 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:21:27,955 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:21:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 15:21:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 15:21:27,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:27,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:21:27,985 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:27,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:27,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1524899170, now seen corresponding path program 1 times [2018-11-23 15:21:27,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:27,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:28,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:28,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:28,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:28,269 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 15:21:28,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:21:28,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:21:28,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:21:28,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:21:28,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:21:28,290 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-23 15:21:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:29,481 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-11-23 15:21:29,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:21:29,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-11-23 15:21:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:29,493 INFO L225 Difference]: With dead ends: 890 [2018-11-23 15:21:29,493 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 15:21:29,499 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 15:21:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 15:21:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-11-23 15:21:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-11-23 15:21:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 959 transitions. [2018-11-23 15:21:29,551 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 959 transitions. Word has length 51 [2018-11-23 15:21:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:29,552 INFO L480 AbstractCegarLoop]: Abstraction has 630 states and 959 transitions. [2018-11-23 15:21:29,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:21:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 959 transitions. [2018-11-23 15:21:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 15:21:29,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:29,558 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:21:29,558 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:29,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1193901298, now seen corresponding path program 1 times [2018-11-23 15:21:29,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:29,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:29,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:29,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:29,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:29,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:21:29,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:21:29,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:21:29,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:21:29,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:21:29,693 INFO L87 Difference]: Start difference. First operand 630 states and 959 transitions. Second operand 4 states. [2018-11-23 15:21:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:30,548 INFO L93 Difference]: Finished difference Result 2346 states and 3728 transitions. [2018-11-23 15:21:30,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:21:30,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2018-11-23 15:21:30,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:30,560 INFO L225 Difference]: With dead ends: 2346 [2018-11-23 15:21:30,560 INFO L226 Difference]: Without dead ends: 1722 [2018-11-23 15:21:30,565 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 15:21:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2018-11-23 15:21:30,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2018-11-23 15:21:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2018-11-23 15:21:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2505 transitions. [2018-11-23 15:21:30,614 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2505 transitions. Word has length 163 [2018-11-23 15:21:30,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:30,615 INFO L480 AbstractCegarLoop]: Abstraction has 1722 states and 2505 transitions. [2018-11-23 15:21:30,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:21:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2505 transitions. [2018-11-23 15:21:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 15:21:30,622 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:30,623 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, 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, 1, 1, 1, 1, 1, 1, 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 15:21:30,623 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:30,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:30,623 INFO L82 PathProgramCache]: Analyzing trace with hash -825927574, now seen corresponding path program 1 times [2018-11-23 15:21:30,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:30,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:30,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:30,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:30,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:30,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:30,792 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:30,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:30,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:31,081 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:31,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 15:21:31,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:21:31,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:21:31,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:21:31,083 INFO L87 Difference]: Start difference. First operand 1722 states and 2505 transitions. Second operand 9 states. [2018-11-23 15:21:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:33,567 INFO L93 Difference]: Finished difference Result 8032 states and 14080 transitions. [2018-11-23 15:21:33,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:21:33,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 237 [2018-11-23 15:21:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:33,606 INFO L225 Difference]: With dead ends: 8032 [2018-11-23 15:21:33,606 INFO L226 Difference]: Without dead ends: 3940 [2018-11-23 15:21:33,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-23 15:21:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2018-11-23 15:21:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3820. [2018-11-23 15:21:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3820 states. [2018-11-23 15:21:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5218 transitions. [2018-11-23 15:21:33,831 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5218 transitions. Word has length 237 [2018-11-23 15:21:33,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:33,831 INFO L480 AbstractCegarLoop]: Abstraction has 3820 states and 5218 transitions. [2018-11-23 15:21:33,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:21:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5218 transitions. [2018-11-23 15:21:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 15:21:33,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:33,843 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:21:33,843 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:33,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:33,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1188848018, now seen corresponding path program 1 times [2018-11-23 15:21:33,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:33,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:33,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:33,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:33,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:34,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:34,073 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:34,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:34,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:34,270 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:34,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 15:21:34,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:21:34,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:21:34,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:21:34,272 INFO L87 Difference]: Start difference. First operand 3820 states and 5218 transitions. Second operand 9 states. [2018-11-23 15:21:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:35,791 INFO L93 Difference]: Finished difference Result 9089 states and 14111 transitions. [2018-11-23 15:21:35,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:21:35,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-11-23 15:21:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:35,803 INFO L225 Difference]: With dead ends: 9089 [2018-11-23 15:21:35,803 INFO L226 Difference]: Without dead ends: 3496 [2018-11-23 15:21:35,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-23 15:21:35,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2018-11-23 15:21:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3400. [2018-11-23 15:21:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3400 states. [2018-11-23 15:21:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4465 transitions. [2018-11-23 15:21:35,881 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4465 transitions. Word has length 249 [2018-11-23 15:21:35,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:35,882 INFO L480 AbstractCegarLoop]: Abstraction has 3400 states and 4465 transitions. [2018-11-23 15:21:35,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:21:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4465 transitions. [2018-11-23 15:21:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-23 15:21:35,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:35,887 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:21:35,887 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:35,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:35,887 INFO L82 PathProgramCache]: Analyzing trace with hash -137313843, now seen corresponding path program 1 times [2018-11-23 15:21:35,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:35,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:35,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:35,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:35,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 120 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:21:36,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:36,128 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:36,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:36,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:21:36,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:21:36,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2018-11-23 15:21:36,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 15:21:36,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 15:21:36,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-11-23 15:21:36,399 INFO L87 Difference]: Start difference. First operand 3400 states and 4465 transitions. Second operand 12 states. [2018-11-23 15:21:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:40,459 INFO L93 Difference]: Finished difference Result 10892 states and 14200 transitions. [2018-11-23 15:21:40,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 15:21:40,460 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 254 [2018-11-23 15:21:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:40,470 INFO L225 Difference]: With dead ends: 10892 [2018-11-23 15:21:40,470 INFO L226 Difference]: Without dead ends: 4393 [2018-11-23 15:21:40,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=403, Invalid=1949, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 15:21:40,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2018-11-23 15:21:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 3900. [2018-11-23 15:21:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3900 states. [2018-11-23 15:21:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 4604 transitions. [2018-11-23 15:21:40,537 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 4604 transitions. Word has length 254 [2018-11-23 15:21:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:40,537 INFO L480 AbstractCegarLoop]: Abstraction has 3900 states and 4604 transitions. [2018-11-23 15:21:40,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 15:21:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4604 transitions. [2018-11-23 15:21:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-23 15:21:40,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:40,545 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, 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, 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] [2018-11-23 15:21:40,545 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:40,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1172651703, now seen corresponding path program 1 times [2018-11-23 15:21:40,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:40,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:40,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:40,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:40,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 204 proven. 176 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 15:21:40,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:40,923 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:40,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:41,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 401 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:21:41,194 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:41,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-23 15:21:41,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:21:41,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:21:41,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:21:41,196 INFO L87 Difference]: Start difference. First operand 3900 states and 4604 transitions. Second operand 10 states. [2018-11-23 15:21:41,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:41,785 INFO L93 Difference]: Finished difference Result 7184 states and 8448 transitions. [2018-11-23 15:21:41,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:21:41,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 404 [2018-11-23 15:21:41,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:41,794 INFO L225 Difference]: With dead ends: 7184 [2018-11-23 15:21:41,794 INFO L226 Difference]: Without dead ends: 3684 [2018-11-23 15:21:41,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:21:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3684 states. [2018-11-23 15:21:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3684 to 3632. [2018-11-23 15:21:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3632 states. [2018-11-23 15:21:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3632 states and 4055 transitions. [2018-11-23 15:21:41,843 INFO L78 Accepts]: Start accepts. Automaton has 3632 states and 4055 transitions. Word has length 404 [2018-11-23 15:21:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:41,843 INFO L480 AbstractCegarLoop]: Abstraction has 3632 states and 4055 transitions. [2018-11-23 15:21:41,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:21:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4055 transitions. [2018-11-23 15:21:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2018-11-23 15:21:41,850 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:41,851 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, 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, 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, 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 15:21:41,851 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:41,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:41,851 INFO L82 PathProgramCache]: Analyzing trace with hash 469991441, now seen corresponding path program 1 times [2018-11-23 15:21:41,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:41,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:41,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:41,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:41,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 569 proven. 422 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-23 15:21:42,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:42,746 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:42,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:42,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 800 proven. 2 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2018-11-23 15:21:43,103 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:43,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:21:43,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:21:43,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:21:43,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:21:43,104 INFO L87 Difference]: Start difference. First operand 3632 states and 4055 transitions. Second operand 17 states. [2018-11-23 15:21:45,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:45,824 INFO L93 Difference]: Finished difference Result 7911 states and 8952 transitions. [2018-11-23 15:21:45,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-23 15:21:45,824 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 586 [2018-11-23 15:21:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:45,836 INFO L225 Difference]: With dead ends: 7911 [2018-11-23 15:21:45,836 INFO L226 Difference]: Without dead ends: 4467 [2018-11-23 15:21:45,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=415, Invalid=1477, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 15:21:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2018-11-23 15:21:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 3971. [2018-11-23 15:21:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3971 states. [2018-11-23 15:21:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 4354 transitions. [2018-11-23 15:21:45,909 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 4354 transitions. Word has length 586 [2018-11-23 15:21:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:45,910 INFO L480 AbstractCegarLoop]: Abstraction has 3971 states and 4354 transitions. [2018-11-23 15:21:45,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:21:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4354 transitions. [2018-11-23 15:21:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2018-11-23 15:21:45,923 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:45,923 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, 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, 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, 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] [2018-11-23 15:21:45,923 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:45,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:45,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1240943570, now seen corresponding path program 1 times [2018-11-23 15:21:45,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:45,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:45,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:45,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:45,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 348 proven. 389 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2018-11-23 15:21:46,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:46,600 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:46,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:46,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2018-11-23 15:21:46,886 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:46,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:21:46,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:21:46,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:21:46,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:21:46,887 INFO L87 Difference]: Start difference. First operand 3971 states and 4354 transitions. Second operand 17 states. [2018-11-23 15:21:51,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:51,167 INFO L93 Difference]: Finished difference Result 10672 states and 12006 transitions. [2018-11-23 15:21:51,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-11-23 15:21:51,167 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 619 [2018-11-23 15:21:51,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:51,182 INFO L225 Difference]: With dead ends: 10672 [2018-11-23 15:21:51,182 INFO L226 Difference]: Without dead ends: 6891 [2018-11-23 15:21:51,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 661 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1028, Invalid=4374, Unknown=0, NotChecked=0, Total=5402 [2018-11-23 15:21:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2018-11-23 15:21:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6395. [2018-11-23 15:21:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6395 states. [2018-11-23 15:21:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 7028 transitions. [2018-11-23 15:21:51,264 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 7028 transitions. Word has length 619 [2018-11-23 15:21:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:51,265 INFO L480 AbstractCegarLoop]: Abstraction has 6395 states and 7028 transitions. [2018-11-23 15:21:51,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:21:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 7028 transitions. [2018-11-23 15:21:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2018-11-23 15:21:51,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:51,270 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, 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, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:21:51,270 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:51,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:51,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1848262589, now seen corresponding path program 1 times [2018-11-23 15:21:51,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:51,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:51,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:51,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:51,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 786 proven. 749 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 15:21:51,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:51,878 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:51,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:51,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 1008 proven. 2 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2018-11-23 15:21:52,168 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:52,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-23 15:21:52,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:21:52,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:21:52,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:21:52,170 INFO L87 Difference]: Start difference. First operand 6395 states and 7028 transitions. Second operand 15 states. [2018-11-23 15:21:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:54,243 INFO L93 Difference]: Finished difference Result 13346 states and 14861 transitions. [2018-11-23 15:21:54,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 15:21:54,243 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 674 [2018-11-23 15:21:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:54,261 INFO L225 Difference]: With dead ends: 13346 [2018-11-23 15:21:54,261 INFO L226 Difference]: Without dead ends: 7141 [2018-11-23 15:21:54,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1427, Unknown=0, NotChecked=0, Total=1806 [2018-11-23 15:21:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2018-11-23 15:21:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 6577. [2018-11-23 15:21:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6577 states. [2018-11-23 15:21:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 7193 transitions. [2018-11-23 15:21:54,383 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 7193 transitions. Word has length 674 [2018-11-23 15:21:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:21:54,384 INFO L480 AbstractCegarLoop]: Abstraction has 6577 states and 7193 transitions. [2018-11-23 15:21:54,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:21:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 7193 transitions. [2018-11-23 15:21:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2018-11-23 15:21:54,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:21:54,391 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, 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, 5, 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, 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] [2018-11-23 15:21:54,391 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:21:54,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:54,391 INFO L82 PathProgramCache]: Analyzing trace with hash -655372082, now seen corresponding path program 1 times [2018-11-23 15:21:54,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:54,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:54,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:54,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:54,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 824 proven. 946 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 15:21:55,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:21:55,653 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:21:55,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:21:55,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:21:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 835 proven. 2 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2018-11-23 15:21:56,037 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:21:56,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5] total 21 [2018-11-23 15:21:56,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 15:21:56,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 15:21:56,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-11-23 15:21:56,038 INFO L87 Difference]: Start difference. First operand 6577 states and 7193 transitions. Second operand 21 states. [2018-11-23 15:21:59,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:21:59,877 INFO L93 Difference]: Finished difference Result 13208 states and 14635 transitions. [2018-11-23 15:21:59,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-23 15:21:59,877 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 833 [2018-11-23 15:21:59,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:21:59,890 INFO L225 Difference]: With dead ends: 13208 [2018-11-23 15:21:59,891 INFO L226 Difference]: Without dead ends: 6821 [2018-11-23 15:21:59,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 868 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1722 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=931, Invalid=4619, Unknown=0, NotChecked=0, Total=5550 [2018-11-23 15:21:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6821 states. [2018-11-23 15:21:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6821 to 6771. [2018-11-23 15:21:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6771 states. [2018-11-23 15:22:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6771 states to 6771 states and 7306 transitions. [2018-11-23 15:22:00,004 INFO L78 Accepts]: Start accepts. Automaton has 6771 states and 7306 transitions. Word has length 833 [2018-11-23 15:22:00,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:22:00,004 INFO L480 AbstractCegarLoop]: Abstraction has 6771 states and 7306 transitions. [2018-11-23 15:22:00,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 15:22:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6771 states and 7306 transitions. [2018-11-23 15:22:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-11-23 15:22:00,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:22:00,012 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:22:00,012 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:22:00,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:22:00,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1267620710, now seen corresponding path program 1 times [2018-11-23 15:22:00,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:22:00,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:22:00,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:22:00,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:22:00,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:22:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:22:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 884 proven. 43 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2018-11-23 15:22:00,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:22:00,494 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:22:00,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:22:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:22:00,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:22:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 884 proven. 43 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2018-11-23 15:22:00,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:22:00,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-11-23 15:22:00,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:22:00,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:22:00,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:22:00,979 INFO L87 Difference]: Start difference. First operand 6771 states and 7306 transitions. Second operand 10 states. [2018-11-23 15:22:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:22:02,232 INFO L93 Difference]: Finished difference Result 15720 states and 17198 transitions. [2018-11-23 15:22:02,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 15:22:02,233 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 835 [2018-11-23 15:22:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:22:02,244 INFO L225 Difference]: With dead ends: 15720 [2018-11-23 15:22:02,245 INFO L226 Difference]: Without dead ends: 9139 [2018-11-23 15:22:02,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 839 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:22:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9139 states. [2018-11-23 15:22:02,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9139 to 8203. [2018-11-23 15:22:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8203 states. [2018-11-23 15:22:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8203 states to 8203 states and 9014 transitions. [2018-11-23 15:22:02,335 INFO L78 Accepts]: Start accepts. Automaton has 8203 states and 9014 transitions. Word has length 835 [2018-11-23 15:22:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:22:02,336 INFO L480 AbstractCegarLoop]: Abstraction has 8203 states and 9014 transitions. [2018-11-23 15:22:02,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:22:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 8203 states and 9014 transitions. [2018-11-23 15:22:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2018-11-23 15:22:02,342 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:22:02,342 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 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 15:22:02,343 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:22:02,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:22:02,343 INFO L82 PathProgramCache]: Analyzing trace with hash -402334059, now seen corresponding path program 1 times [2018-11-23 15:22:02,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:22:02,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:22:02,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:22:02,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:22:02,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:22:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:22:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 476 proven. 1372 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-11-23 15:22:04,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:22:04,097 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:22:04,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:22:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:22:04,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:22:09,536 WARN L180 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 864 DAG size of output: 25 [2018-11-23 15:24:09,175 WARN L180 SmtUtils]: Spent 1.98 m on a formula simplification. DAG size of input: 1017 DAG size of output: 223 [2018-11-23 15:24:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 1248 proven. 167 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2018-11-23 15:24:10,122 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:24:10,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10] total 27 [2018-11-23 15:24:10,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 15:24:10,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 15:24:10,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2018-11-23 15:24:10,124 INFO L87 Difference]: Start difference. First operand 8203 states and 9014 transitions. Second operand 27 states. [2018-11-23 15:26:09,070 WARN L180 SmtUtils]: Spent 1.92 m on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2018-11-23 15:26:15,041 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2018-11-23 15:26:16,088 WARN L180 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2018-11-23 15:26:17,137 WARN L180 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2018-11-23 15:28:15,708 WARN L180 SmtUtils]: Spent 1.97 m on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2018-11-23 15:29:17,290 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 271 DAG size of output: 236 [2018-11-23 15:29:20,212 WARN L180 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-11-23 15:29:21,952 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2018-11-23 15:29:22,986 WARN L180 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-11-23 15:29:24,093 WARN L180 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 38 [2018-11-23 15:30:25,605 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification that was a NOOP. DAG size: 262 [2018-11-23 15:30:34,194 WARN L180 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2018-11-23 15:30:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:42,115 INFO L93 Difference]: Finished difference Result 18880 states and 20733 transitions. [2018-11-23 15:30:42,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-11-23 15:30:42,115 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 954 [2018-11-23 15:30:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:42,132 INFO L225 Difference]: With dead ends: 18880 [2018-11-23 15:30:42,132 INFO L226 Difference]: Without dead ends: 10515 [2018-11-23 15:30:42,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1003 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4952 ImplicationChecksByTransitivity, 491.1s TimeCoverageRelationStatistics Valid=2055, Invalid=12465, Unknown=0, NotChecked=0, Total=14520 [2018-11-23 15:30:42,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10515 states. [2018-11-23 15:30:42,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10515 to 9686. [2018-11-23 15:30:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9686 states. [2018-11-23 15:30:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 10576 transitions. [2018-11-23 15:30:42,263 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 10576 transitions. Word has length 954 [2018-11-23 15:30:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:42,264 INFO L480 AbstractCegarLoop]: Abstraction has 9686 states and 10576 transitions. [2018-11-23 15:30:42,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 15:30:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 10576 transitions. [2018-11-23 15:30:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2018-11-23 15:30:42,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:42,271 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, 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, 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, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:42,271 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:42,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:42,272 INFO L82 PathProgramCache]: Analyzing trace with hash 445945781, now seen corresponding path program 1 times [2018-11-23 15:30:42,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:30:42,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:30:42,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:42,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:42,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3855 backedges. 1162 proven. 1226 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2018-11-23 15:30:43,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:43,407 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:30:43,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:43,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:30:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3855 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2018-11-23 15:30:43,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:30:43,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2018-11-23 15:30:43,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:30:43,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:30:43,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:30:43,918 INFO L87 Difference]: Start difference. First operand 9686 states and 10576 transitions. Second operand 15 states. [2018-11-23 15:30:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:45,578 INFO L93 Difference]: Finished difference Result 19600 states and 21975 transitions. [2018-11-23 15:30:45,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 15:30:45,579 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1050 [2018-11-23 15:30:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:45,607 INFO L225 Difference]: With dead ends: 19600 [2018-11-23 15:30:45,607 INFO L226 Difference]: Without dead ends: 9898 [2018-11-23 15:30:45,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1105 GetRequests, 1070 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=1022, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 15:30:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9898 states. [2018-11-23 15:30:45,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9898 to 9533. [2018-11-23 15:30:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9533 states. [2018-11-23 15:30:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9533 states to 9533 states and 10331 transitions. [2018-11-23 15:30:45,789 INFO L78 Accepts]: Start accepts. Automaton has 9533 states and 10331 transitions. Word has length 1050 [2018-11-23 15:30:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:45,789 INFO L480 AbstractCegarLoop]: Abstraction has 9533 states and 10331 transitions. [2018-11-23 15:30:45,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:30:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 9533 states and 10331 transitions. [2018-11-23 15:30:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2018-11-23 15:30:45,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:45,821 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:45,821 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:45,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:45,821 INFO L82 PathProgramCache]: Analyzing trace with hash -283677738, now seen corresponding path program 1 times [2018-11-23 15:30:45,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:30:45,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:30:45,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:45,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3414 backedges. 616 proven. 1501 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2018-11-23 15:30:46,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:46,977 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:30:46,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:47,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:31:46,967 WARN L180 SmtUtils]: Spent 59.56 s on a formula simplification. DAG size of input: 305 DAG size of output: 133 [2018-11-23 15:31:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3414 backedges. 1519 proven. 94 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2018-11-23 15:31:47,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:31:47,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 21 [2018-11-23 15:31:47,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 15:31:47,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 15:31:47,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-23 15:31:47,459 INFO L87 Difference]: Start difference. First operand 9533 states and 10331 transitions. Second operand 21 states. [2018-11-23 15:32:35,787 WARN L180 SmtUtils]: Spent 46.51 s on a formula simplification. DAG size of input: 143 DAG size of output: 129 [2018-11-23 15:33:04,682 WARN L180 SmtUtils]: Spent 28.30 s on a formula simplification that was a NOOP. DAG size: 138 [2018-11-23 15:33:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:33:11,138 INFO L93 Difference]: Finished difference Result 19057 states and 21047 transitions. [2018-11-23 15:33:11,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-23 15:33:11,138 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1087 [2018-11-23 15:33:11,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:33:11,152 INFO L225 Difference]: With dead ends: 19057 [2018-11-23 15:33:11,152 INFO L226 Difference]: Without dead ends: 8618 [2018-11-23 15:33:11,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1126 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607 ImplicationChecksByTransitivity, 135.5s TimeCoverageRelationStatistics Valid=966, Invalid=4004, Unknown=0, NotChecked=0, Total=4970 [2018-11-23 15:33:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8618 states. [2018-11-23 15:33:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8618 to 8508. [2018-11-23 15:33:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8508 states. [2018-11-23 15:33:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8508 states to 8508 states and 9163 transitions. [2018-11-23 15:33:11,267 INFO L78 Accepts]: Start accepts. Automaton has 8508 states and 9163 transitions. Word has length 1087 [2018-11-23 15:33:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:33:11,268 INFO L480 AbstractCegarLoop]: Abstraction has 8508 states and 9163 transitions. [2018-11-23 15:33:11,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 15:33:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8508 states and 9163 transitions. [2018-11-23 15:33:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1127 [2018-11-23 15:33:11,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:33:11,275 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 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 15:33:11,275 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:33:11,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:33:11,275 INFO L82 PathProgramCache]: Analyzing trace with hash -569851947, now seen corresponding path program 1 times [2018-11-23 15:33:11,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:33:11,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:33:11,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:11,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:11,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 1154 proven. 1840 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2018-11-23 15:33:13,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:33:13,200 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:33:13,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:13,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:33:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 1245 proven. 2 refuted. 0 times theorem prover too weak. 2729 trivial. 0 not checked. [2018-11-23 15:33:13,740 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:33:13,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-23 15:33:13,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 15:33:13,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 15:33:13,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:33:13,741 INFO L87 Difference]: Start difference. First operand 8508 states and 9163 transitions. Second operand 20 states. [2018-11-23 15:33:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:33:16,916 INFO L93 Difference]: Finished difference Result 15462 states and 16662 transitions. [2018-11-23 15:33:16,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 15:33:16,917 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1126 [2018-11-23 15:33:16,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:33:16,926 INFO L225 Difference]: With dead ends: 15462 [2018-11-23 15:33:16,927 INFO L226 Difference]: Without dead ends: 6869 [2018-11-23 15:33:16,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1215 GetRequests, 1155 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=614, Invalid=2926, Unknown=0, NotChecked=0, Total=3540 [2018-11-23 15:33:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6869 states. [2018-11-23 15:33:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6869 to 6437. [2018-11-23 15:33:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6437 states. [2018-11-23 15:33:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6437 states to 6437 states and 6629 transitions. [2018-11-23 15:33:17,011 INFO L78 Accepts]: Start accepts. Automaton has 6437 states and 6629 transitions. Word has length 1126 [2018-11-23 15:33:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:33:17,012 INFO L480 AbstractCegarLoop]: Abstraction has 6437 states and 6629 transitions. [2018-11-23 15:33:17,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 15:33:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 6437 states and 6629 transitions. [2018-11-23 15:33:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2018-11-23 15:33:17,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:33:17,023 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, 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, 11, 11, 11, 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, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:33:17,023 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:33:17,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:33:17,024 INFO L82 PathProgramCache]: Analyzing trace with hash -628232518, now seen corresponding path program 1 times [2018-11-23 15:33:17,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:33:17,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:33:17,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:17,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:17,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7178 backedges. 1231 proven. 3634 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2018-11-23 15:33:19,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:33:19,370 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:33:19,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:19,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:33:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7178 backedges. 3980 proven. 2 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2018-11-23 15:33:20,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:33:20,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-23 15:33:20,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 15:33:20,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 15:33:20,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:33:20,187 INFO L87 Difference]: Start difference. First operand 6437 states and 6629 transitions. Second operand 19 states. [2018-11-23 15:33:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:33:22,865 INFO L93 Difference]: Finished difference Result 11176 states and 11697 transitions. [2018-11-23 15:33:22,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:33:22,865 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1531 [2018-11-23 15:33:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:33:22,874 INFO L225 Difference]: With dead ends: 11176 [2018-11-23 15:33:22,874 INFO L226 Difference]: Without dead ends: 6567 [2018-11-23 15:33:22,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1558 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=676, Invalid=2294, Unknown=0, NotChecked=0, Total=2970 [2018-11-23 15:33:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6567 states. [2018-11-23 15:33:22,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6427. [2018-11-23 15:33:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6427 states. [2018-11-23 15:33:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 6588 transitions. [2018-11-23 15:33:22,967 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 6588 transitions. Word has length 1531 [2018-11-23 15:33:22,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:33:22,968 INFO L480 AbstractCegarLoop]: Abstraction has 6427 states and 6588 transitions. [2018-11-23 15:33:22,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 15:33:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 6588 transitions. [2018-11-23 15:33:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1911 [2018-11-23 15:33:22,995 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:33:22,995 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, 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, 14, 14, 14, 13, 13, 13, 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, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 15:33:22,995 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:33:22,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:33:22,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1986156781, now seen corresponding path program 1 times [2018-11-23 15:33:22,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:33:22,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:33:22,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:22,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:22,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 11274 backedges. 4705 proven. 4146 refuted. 0 times theorem prover too weak. 2423 trivial. 0 not checked. [2018-11-23 15:33:26,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:33:26,394 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:33:26,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:26,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:33:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11274 backedges. 5077 proven. 2 refuted. 0 times theorem prover too weak. 6195 trivial. 0 not checked. [2018-11-23 15:33:27,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:33:27,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-23 15:33:27,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 15:33:27,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 15:33:27,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:33:27,499 INFO L87 Difference]: Start difference. First operand 6427 states and 6588 transitions. Second operand 20 states. [2018-11-23 15:33:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:33:30,189 INFO L93 Difference]: Finished difference Result 10629 states and 11004 transitions. [2018-11-23 15:33:30,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 15:33:30,189 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1910 [2018-11-23 15:33:30,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:33:30,197 INFO L225 Difference]: With dead ends: 10629 [2018-11-23 15:33:30,197 INFO L226 Difference]: Without dead ends: 6030 [2018-11-23 15:33:30,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2002 GetRequests, 1946 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=669, Invalid=2637, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 15:33:30,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6030 states. [2018-11-23 15:33:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6030 to 5900. [2018-11-23 15:33:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5900 states. [2018-11-23 15:33:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 6029 transitions. [2018-11-23 15:33:30,272 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 6029 transitions. Word has length 1910 [2018-11-23 15:33:30,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:33:30,273 INFO L480 AbstractCegarLoop]: Abstraction has 5900 states and 6029 transitions. [2018-11-23 15:33:30,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 15:33:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 6029 transitions. [2018-11-23 15:33:30,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1959 [2018-11-23 15:33:30,288 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:33:30,288 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, 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, 14, 14, 14, 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, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 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 15:33:30,288 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:33:30,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:33:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash -183242675, now seen corresponding path program 1 times [2018-11-23 15:33:30,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:33:30,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:33:30,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:30,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:30,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:33:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11734 backedges. 6120 proven. 1595 refuted. 0 times theorem prover too weak. 4019 trivial. 0 not checked. [2018-11-23 15:33:33,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:33:33,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/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 15:33:33,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:33:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:33:33,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:33:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11734 backedges. 1719 proven. 2 refuted. 0 times theorem prover too weak. 10013 trivial. 0 not checked. [2018-11-23 15:33:34,263 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:33:34,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5] total 21 [2018-11-23 15:33:34,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 15:33:34,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 15:33:34,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-11-23 15:33:34,265 INFO L87 Difference]: Start difference. First operand 5900 states and 6029 transitions. Second operand 21 states. [2018-11-23 15:33:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:33:37,514 INFO L93 Difference]: Finished difference Result 8109 states and 8340 transitions. [2018-11-23 15:33:37,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 15:33:37,514 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1958 [2018-11-23 15:33:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:33:37,515 INFO L225 Difference]: With dead ends: 8109 [2018-11-23 15:33:37,515 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:33:37,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1984 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=577, Invalid=2615, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 15:33:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:33:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:33:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:33:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:33:37,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1958 [2018-11-23 15:33:37,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:33:37,522 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:33:37,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 15:33:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:33:37,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:33:37,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:33:37,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:38,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,128 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 959 DAG size of output: 688 [2018-11-23 15:33:39,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:39,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:40,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:33:40,242 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 959 DAG size of output: 688 [2018-11-23 15:33:42,425 WARN L180 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 406 DAG size of output: 158 [2018-11-23 15:33:45,706 WARN L180 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 644 DAG size of output: 124 [2018-11-23 15:33:49,037 WARN L180 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 644 DAG size of output: 124 [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,039 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 15:33:49,040 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 15:33:49,041 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 15:33:49,042 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= 6 |old(~a21~0)|))) (let ((.cse31 (= 8 ~a15~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= 1 ~a24~0)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse3 (< 6 |old(~a15~0)|)) (.cse29 (< 11 |old(~a12~0)|)) (.cse24 (not .cse0))) (let ((.cse23 (not (= 5 |old(~a15~0)|))) (.cse14 (not (= 6 |old(~a15~0)|))) (.cse1 (not (= 6 ~a21~0))) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse21 (= ~a15~0 |old(~a15~0)|)) (.cse22 (or (or .cse3 .cse29) .cse24)) (.cse26 (< 0 (+ |old(~a12~0)| 49))) (.cse25 (<= (+ ~a12~0 49) 0)) (.cse16 (<= |old(~a12~0)| 80)) (.cse15 (not (= 9 |old(~a15~0)|))) (.cse17 (and .cse20 .cse12 (= 9 ~a15~0) .cse9)) (.cse4 (< |old(~a21~0)| 10)) (.cse28 (<= ~a12~0 11)) (.cse13 (= 9 ~a21~0)) (.cse2 (not (= 7 |old(~a15~0)|))) (.cse6 (and .cse20 .cse11 .cse12 .cse9)) (.cse27 (not (= 8 |old(~a21~0)|))) (.cse32 (< 73282 |old(~a12~0)|)) (.cse30 (and .cse20 .cse12 .cse31 .cse9)) (.cse18 (not (= 7 |old(~a21~0)|))) (.cse8 (not (= 9 |old(~a21~0)|))) (.cse10 (= ~a21~0 9)) (.cse5 (not (= 1 |old(~a24~0)|))) (.cse7 (not (= |old(~a15~0)| 8)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or (<= |old(~a12~0)| 22) (< 76 |old(~a12~0)|) .cse7 .cse8 .cse5 (and .cse9 .cse10 .cse11 .cse12)) (or .cse8 .cse3 (and .cse13 .cse11)) (or .cse2 .cse11) (or .cse14 .cse11) (or .cse15 .cse4 .cse5 .cse16 .cse17) (or .cse18 .cse3 (and (<= ~a12~0 |old(~a12~0)|) .cse19 .cse20 .cse11) .cse5) (or (and .cse9 .cse12 .cse20 .cse21) .cse22 .cse5 .cse23) (or .cse24 (< |old(~a12~0)| 526013) .cse5 .cse23 .cse6) (or .cse25 .cse14 .cse26) (or .cse15 .cse5 .cse17 (< 72 |old(~a12~0)|) .cse27) (or .cse28 .cse14 .cse29) (or (< 599997 |old(~a12~0)|) .cse24 (<= (+ |old(~a12~0)| 43) 0) .cse5 .cse7 .cse30) (or .cse24 .cse15 .cse5 .cse17 .cse16) (or (not (= 10 |old(~a21~0)|)) (and .cse12 .cse31 (= 10 ~a21~0) .cse9) (or .cse5 (forall ((v_prenex_120 Int)) (or (< (+ (mod v_prenex_120 299959) 300039) |old(~a12~0)|) (< v_prenex_120 0) (<= v_prenex_120 80)))) .cse7) (or .cse3 .cse4 .cse32 (and .cse19 .cse20 .cse11 .cse9)) (or .cse14 .cse0 .cse1) (or .cse28 .cse29 .cse2) (or (and (and .cse19 .cse9) .cse20 .cse21) .cse22 (< 0 (+ |old(~a12~0)| 45156))) (or .cse26 .cse2 .cse25) (or .cse8 .cse3 .cse26 .cse25) (or .cse8 .cse15 .cse5 .cse17 .cse16) (or .cse15 .cse5 .cse16 .cse17 .cse27) (or .cse16 .cse17 .cse15 .cse18 .cse5) (or .cse15 .cse17 .cse4 .cse5 .cse29) (or .cse8 .cse28 .cse3 .cse29) (or .cse8 .cse13 .cse2) (or .cse0 .cse3 .cse5 .cse32 .cse6) (or .cse7 .cse27 .cse5 .cse32 .cse30) (or .cse7 .cse18 (and .cse9 (= 7 ~a21~0) .cse11 .cse12) .cse5 .cse29) (or .cse8 (and .cse10 .cse12 .cse31 .cse9) .cse5 .cse29 .cse7))))) [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 15:33:49,043 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,044 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 15:33:49,045 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 15:33:49,046 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 15:33:49,047 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,048 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 15:33:49,049 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 15:33:49,050 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,051 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 15:33:49,052 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-23 15:33:49,053 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:33:49,053 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (and (= |old(~a12~0)| ~a12~0) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 1 |old(~a24~0)|))) [2018-11-23 15:33:49,053 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:33:49,053 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse12 (= 6 ~a21~0))) (let ((.cse0 (not (= 8 |old(~a15~0)|))) (.cse13 (<= ~a15~0 6)) (.cse20 (not .cse12))) (let ((.cse16 (and .cse13 .cse20)) (.cse4 (= 1 ~a24~0)) (.cse11 (= 8 ~a15~0)) (.cse19 (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse0))) (let ((.cse5 (= 7 ~a21~0)) (.cse1 (= 8 ~a21~0)) (.cse15 (= 9 ~a21~0)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse10 (and .cse4 .cse11 .cse19 .cse20)) (.cse9 (<= ~a12~0 73282)) (.cse18 (and .cse19 (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) .cse16)) (.cse7 (<= ~a12~0 11)) (.cse17 (= 5 ~a15~0)) (.cse8 (<= 10 ~a21~0)) (.cse6 (< 80 ~a12~0)) (.cse3 (= 9 ~a15~0)) (.cse14 (= ~a21~0 9))) (or .cse0 (and (and .cse1 .cse2 (<= ~a12~0 72)) .cse3) (and (and (and .cse4 .cse5) .cse3) .cse6) (and (and .cse4 (and .cse7 .cse8)) .cse3) (and .cse9 (and .cse1 .cse10)) (and .cse5 .cse4 .cse11 .cse7) (= 7 ~a15~0) (and (<= (+ ~a12~0 45156) 0) (and .cse12 .cse13)) (= 6 ~a15~0) (and .cse14 .cse4 .cse11 .cse7) (not (= 7 |old(~a21~0)|)) (and .cse13 .cse15) (and .cse6 (and .cse12 .cse4) .cse3) (and .cse16 .cse5 .cse4) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse2 .cse1) .cse3) (and .cse9 .cse16 .cse2) (and .cse12 (<= 526013 ~a12~0) .cse4 .cse17) (and (and .cse18 .cse4) .cse8) (and (and .cse15 .cse2) .cse6 .cse3) (and (and .cse10 (exists ((v_prenex_120 Int)) (and (<= 0 v_prenex_120) (< 80 v_prenex_120) (<= ~a12~0 (+ (mod v_prenex_120 299959) 300039))))) (= 10 ~a21~0)) (and .cse9 .cse18 .cse8) (and .cse4 .cse7 .cse17) (not (= 1 |old(~a24~0)|)) (and (and .cse4 .cse8) .cse6 .cse3) (and (and (<= ~a12~0 76) (< 22 ~a12~0) .cse4 (= ~a15~0 |old(~a15~0)|)) .cse14) (and .cse12 .cse4 (<= ~a12~0 599997) .cse11 (< 0 (+ ~a12~0 43)))))))) [2018-11-23 15:33:49,054 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 15:33:49,054 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 15:33:49,054 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse12 (= 6 ~a21~0))) (let ((.cse0 (not (= 8 |old(~a15~0)|))) (.cse13 (<= ~a15~0 6)) (.cse20 (not .cse12))) (let ((.cse16 (and .cse13 .cse20)) (.cse4 (= 1 ~a24~0)) (.cse11 (= 8 ~a15~0)) (.cse19 (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse0))) (let ((.cse5 (= 7 ~a21~0)) (.cse1 (= 8 ~a21~0)) (.cse15 (= 9 ~a21~0)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse10 (and .cse4 .cse11 .cse19 .cse20)) (.cse9 (<= ~a12~0 73282)) (.cse18 (and .cse19 (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) .cse16)) (.cse7 (<= ~a12~0 11)) (.cse17 (= 5 ~a15~0)) (.cse8 (<= 10 ~a21~0)) (.cse6 (< 80 ~a12~0)) (.cse3 (= 9 ~a15~0)) (.cse14 (= ~a21~0 9))) (or .cse0 (and (and .cse1 .cse2 (<= ~a12~0 72)) .cse3) (and (and (and .cse4 .cse5) .cse3) .cse6) (and (and .cse4 (and .cse7 .cse8)) .cse3) (and .cse9 (and .cse1 .cse10)) (and .cse5 .cse4 .cse11 .cse7) (= 7 ~a15~0) (and (<= (+ ~a12~0 45156) 0) (and .cse12 .cse13)) (= 6 ~a15~0) (and .cse14 .cse4 .cse11 .cse7) (not (= 7 |old(~a21~0)|)) (and .cse13 .cse15) (and .cse6 (and .cse12 .cse4) .cse3) (and .cse16 .cse5 .cse4) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse2 .cse1) .cse3) (and .cse9 .cse16 .cse2) (and .cse12 (<= 526013 ~a12~0) .cse4 .cse17) (and (and .cse18 .cse4) .cse8) (and (and .cse15 .cse2) .cse6 .cse3) (and (and .cse10 (exists ((v_prenex_120 Int)) (and (<= 0 v_prenex_120) (< 80 v_prenex_120) (<= ~a12~0 (+ (mod v_prenex_120 299959) 300039))))) (= 10 ~a21~0)) (and .cse9 .cse18 .cse8) (and .cse4 .cse7 .cse17) (not (= 1 |old(~a24~0)|)) (and (and .cse4 .cse8) .cse6 .cse3) (and (and (<= ~a12~0 76) (< 22 ~a12~0) .cse4 (= ~a15~0 |old(~a15~0)|)) .cse14) (and .cse12 .cse4 (<= ~a12~0 599997) .cse11 (< 0 (+ ~a12~0 43)))))))) [2018-11-23 15:33:49,054 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:33:49,064 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,064 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,065 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:33:49 BoogieIcfgContainer [2018-11-23 15:33:49,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:33:49,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:33:49,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:33:49,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:33:49,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:27" (3/4) ... [2018-11-23 15:33:49,099 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:33:49,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:33:49,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:33:49,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:33:49,123 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:33:49,124 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:33:49,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(8 == \old(a15)) || (((8 == a21 && a24 == \old(a24)) && a12 <= 72) && 9 == a15)) || (((1 == a24 && 7 == a21) && 9 == a15) && 80 < a12)) || ((1 == a24 && a12 <= 11 && 10 <= a21) && 9 == a15)) || (a12 <= 73282 && 8 == a21 && ((1 == a24 && 8 == a15) && ((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15)))) && !(6 == a21))) || (((7 == a21 && 1 == a24) && 8 == a15) && a12 <= 11)) || 7 == a15) || (a12 + 45156 <= 0 && 6 == a21 && a15 <= 6)) || 6 == a15) || (((a21 == 9 && 1 == a24) && 8 == a15) && a12 <= 11)) || !(7 == \old(a21))) || (a15 <= 6 && 9 == a21)) || ((80 < a12 && 6 == a21 && 1 == a24) && 9 == a15)) || (((a15 <= 6 && !(6 == a21)) && 7 == a21) && 1 == a24)) || 0 < \old(a12) + 49) || ((80 < a12 && a24 == \old(a24) && 8 == a21) && 9 == a15)) || ((a12 <= 73282 && a15 <= 6 && !(6 == a21)) && a24 == \old(a24))) || (((6 == a21 && 526013 <= a12) && 1 == a24) && 5 == a15)) || ((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && 1 == a24) && 10 <= a21)) || (((9 == a21 && a24 == \old(a24)) && 80 < a12) && 9 == a15)) || (((((1 == a24 && 8 == a15) && ((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15)))) && !(6 == a21)) && (\exists v_prenex_120 : int :: (0 <= v_prenex_120 && 80 < v_prenex_120) && a12 <= v_prenex_120 % 299959 + 300039)) && 10 == a21)) || ((a12 <= 73282 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && 10 <= a21)) || ((1 == a24 && a12 <= 11) && 5 == a15)) || !(1 == \old(a24))) || (((1 == a24 && 10 <= a21) && 80 < a12) && 9 == a15)) || ((((a12 <= 76 && 22 < a12) && 1 == a24) && a15 == \old(a15)) && a21 == 9)) || ((((6 == a21 && 1 == a24) && a12 <= 599997) && 8 == a15) && 0 < a12 + 43) [2018-11-23 15:33:49,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a983cea-966e-45e8-bebd-8236a9f97cd1/bin-2019/uautomizer/witness.graphml [2018-11-23 15:33:49,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:33:49,228 INFO L168 Benchmark]: Toolchain (without parser) took 743110.86 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.4 GB). Free memory was 956.6 MB in the beginning and 3.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 425.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,229 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:33:49,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,229 INFO L168 Benchmark]: Boogie Preprocessor took 53.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,229 INFO L168 Benchmark]: RCFGBuilder took 1215.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,230 INFO L168 Benchmark]: TraceAbstraction took 741206.05 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 983.2 MB in the beginning and 3.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-23 15:33:49,230 INFO L168 Benchmark]: Witness Printer took 133.85 ms. Allocated memory is still 4.4 GB. Free memory is still 3.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:33:49,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1215.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 741206.05 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 983.2 MB in the beginning and 3.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 133.85 ms. Allocated memory is still 4.4 GB. Free memory is still 3.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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 [2018-11-23 15:33:49,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-23 15:33:49,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((!(8 == \old(a15)) || (((8 == a21 && a24 == \old(a24)) && a12 <= 72) && 9 == a15)) || (((1 == a24 && 7 == a21) && 9 == a15) && 80 < a12)) || ((1 == a24 && a12 <= 11 && 10 <= a21) && 9 == a15)) || (a12 <= 73282 && 8 == a21 && ((1 == a24 && 8 == a15) && ((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15)))) && !(6 == a21))) || (((7 == a21 && 1 == a24) && 8 == a15) && a12 <= 11)) || 7 == a15) || (a12 + 45156 <= 0 && 6 == a21 && a15 <= 6)) || 6 == a15) || (((a21 == 9 && 1 == a24) && 8 == a15) && a12 <= 11)) || !(7 == \old(a21))) || (a15 <= 6 && 9 == a21)) || ((80 < a12 && 6 == a21 && 1 == a24) && 9 == a15)) || (((a15 <= 6 && !(6 == a21)) && 7 == a21) && 1 == a24)) || 0 < \old(a12) + 49) || ((80 < a12 && a24 == \old(a24) && 8 == a21) && 9 == a15)) || ((a12 <= 73282 && a15 <= 6 && !(6 == a21)) && a24 == \old(a24))) || (((6 == a21 && 526013 <= a12) && 1 == a24) && 5 == a15)) || ((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && 1 == a24) && 10 <= a21)) || (((9 == a21 && a24 == \old(a24)) && 80 < a12) && 9 == a15)) || (((((1 == a24 && 8 == a15) && ((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15)))) && !(6 == a21)) && (\exists v_prenex_120 : int :: (0 <= v_prenex_120 && 80 < v_prenex_120) && a12 <= v_prenex_120 % 299959 + 300039)) && 10 == a21)) || ((a12 <= 73282 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && 10 <= a21)) || ((1 == a24 && a12 <= 11) && 5 == a15)) || !(1 == \old(a24))) || (((1 == a24 && 10 <= a21) && 80 < a12) && 9 == a15)) || ((((a12 <= 76 && 22 < a12) && 1 == a24) && a15 == \old(a15)) && a21 == 9)) || ((((6 == a21 && 1 == a24) && a12 <= 599997) && 8 == a15) && 0 < a12 + 43) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 741.1s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 514.4s AutomataDifference, 0.0s DeadEndRemovalTime, 11.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1179 SDtfs, 72410 SDslu, 4102 SDs, 0 SdLazy, 83339 SolverSat, 9294 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 55.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15507 GetRequests, 14701 SyntacticMatches, 23 SemanticMatches, 783 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15433 ImplicationChecksByTransitivity, 636.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9686occurred in iteration=12, 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: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 5309 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 768 PreInvPairs, 1092 NumberOfFragments, 1677 HoareAnnotationTreeSize, 768 FomulaSimplifications, 5799940 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 450640 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 196.4s InterpolantComputationTime, 28828 NumberOfCodeBlocks, 28828 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 28794 ConstructedInterpolants, 63 QuantifiedInterpolants, 141781649 SizeOfPredicates, 16 NumberOfNonLiveVariables, 20283 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 87998/106408 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...