./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.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_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 308ad44d52107ad8f325837cc646defe060ce6d2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:24:07,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:24:07,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:24:07,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:24:07,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:24:07,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:24:07,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:24:07,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:24:07,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:24:07,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:24:07,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:24:07,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:24:07,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:24:07,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:24:07,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:24:07,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:24:07,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:24:07,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:24:07,845 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:24:07,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:24:07,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:24:07,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:24:07,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:24:07,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:24:07,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:24:07,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:24:07,851 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:24:07,852 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:24:07,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:24:07,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:24:07,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:24:07,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:24:07,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:24:07,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:24:07,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:24:07,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:24:07,856 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:24:07,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:24:07,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:24:07,865 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:24:07,865 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:24:07,865 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:24:07,865 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:24:07,866 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:24:07,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:24:07,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:24:07,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:24:07,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:24:07,868 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:24:07,869 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:24:07,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:24:07,869 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:24:07,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:24:07,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:24:07,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:24:07,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:24:07,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:24:07,871 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan 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 -> Taipan 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 -> 308ad44d52107ad8f325837cc646defe060ce6d2 [2018-11-22 23:24:07,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:24:07,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:24:07,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:24:07,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:24:07,912 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:24:07,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-11-22 23:24:07,965 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/data/587155d50/2fc9b3072b9e49998a2e3024ea5dedb8/FLAG38f4749eb [2018-11-22 23:24:08,421 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:24:08,421 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-11-22 23:24:08,435 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/data/587155d50/2fc9b3072b9e49998a2e3024ea5dedb8/FLAG38f4749eb [2018-11-22 23:24:08,739 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/data/587155d50/2fc9b3072b9e49998a2e3024ea5dedb8 [2018-11-22 23:24:08,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:24:08,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:24:08,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:24:08,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:24:08,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:24:08,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:08" (1/1) ... [2018-11-22 23:24:08,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185b5111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:08, skipping insertion in model container [2018-11-22 23:24:08,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:08" (1/1) ... [2018-11-22 23:24:08,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:24:08,825 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:24:09,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:24:09,329 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:24:09,561 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:24:09,571 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:24:09,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09 WrapperNode [2018-11-22 23:24:09,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:24:09,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:24:09,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:24:09,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:24:09,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:24:09,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:24:09,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:24:09,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:24:09,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... [2018-11-22 23:24:09,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:24:09,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:24:09,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:24:09,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:24:09,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:24:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:24:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:24:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:24:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-22 23:24:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-22 23:24:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:24:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:24:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:24:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:24:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:24:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:24:11,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:24:11,696 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:24:11,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:11 BoogieIcfgContainer [2018-11-22 23:24:11,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:24:11,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:24:11,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:24:11,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:24:11,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:24:08" (1/3) ... [2018-11-22 23:24:11,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6017117c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:24:11, skipping insertion in model container [2018-11-22 23:24:11,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:09" (2/3) ... [2018-11-22 23:24:11,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6017117c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:24:11, skipping insertion in model container [2018-11-22 23:24:11,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:11" (3/3) ... [2018-11-22 23:24:11,703 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label49_true-unreach-call.c [2018-11-22 23:24:11,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:24:11,716 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:24:11,728 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:24:11,757 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:24:11,757 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:24:11,757 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:24:11,757 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:24:11,757 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:24:11,757 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:24:11,758 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:24:11,758 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:24:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-22 23:24:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-22 23:24:11,787 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:11,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:11,791 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:11,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:11,795 INFO L82 PathProgramCache]: Analyzing trace with hash -971896627, now seen corresponding path program 1 times [2018-11-22 23:24:11,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:11,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:11,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:11,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:11,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:12,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:24:12,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:24:12,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:12,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:24:12,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:24:12,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:24:12,069 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-11-22 23:24:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:14,336 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-11-22 23:24:14,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:24:14,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-11-22 23:24:14,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:14,359 INFO L225 Difference]: With dead ends: 1509 [2018-11-22 23:24:14,360 INFO L226 Difference]: Without dead ends: 1094 [2018-11-22 23:24:14,367 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 [2018-11-22 23:24:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2018-11-22 23:24:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 742. [2018-11-22 23:24:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-22 23:24:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1299 transitions. [2018-11-22 23:24:14,455 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1299 transitions. Word has length 66 [2018-11-22 23:24:14,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:14,456 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1299 transitions. [2018-11-22 23:24:14,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:24:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1299 transitions. [2018-11-22 23:24:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-22 23:24:14,462 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:14,462 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:14,462 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:14,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:14,463 INFO L82 PathProgramCache]: Analyzing trace with hash -653341620, now seen corresponding path program 1 times [2018-11-22 23:24:14,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:14,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:14,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:14,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:14,464 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:14,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:24:14,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:24:14,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:14,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:24:14,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:24:14,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:24:14,620 INFO L87 Difference]: Start difference. First operand 742 states and 1299 transitions. Second operand 6 states. [2018-11-22 23:24:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:16,441 INFO L93 Difference]: Finished difference Result 2188 states and 3916 transitions. [2018-11-22 23:24:16,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:24:16,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-22 23:24:16,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:16,451 INFO L225 Difference]: With dead ends: 2188 [2018-11-22 23:24:16,452 INFO L226 Difference]: Without dead ends: 1452 [2018-11-22 23:24:16,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:24:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2018-11-22 23:24:16,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1434. [2018-11-22 23:24:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2018-11-22 23:24:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2459 transitions. [2018-11-22 23:24:16,504 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2459 transitions. Word has length 136 [2018-11-22 23:24:16,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:16,504 INFO L480 AbstractCegarLoop]: Abstraction has 1434 states and 2459 transitions. [2018-11-22 23:24:16,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:24:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2459 transitions. [2018-11-22 23:24:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-22 23:24:16,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:16,508 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:16,508 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:16,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:16,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1932739549, now seen corresponding path program 1 times [2018-11-22 23:24:16,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:16,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:16,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:16,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:16,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:16,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:24:16,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 23:24:16,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:16,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 23:24:16,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:24:16,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:24:16,654 INFO L87 Difference]: Start difference. First operand 1434 states and 2459 transitions. Second operand 5 states. [2018-11-22 23:24:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:18,458 INFO L93 Difference]: Finished difference Result 3583 states and 6186 transitions. [2018-11-22 23:24:18,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:24:18,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-22 23:24:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:18,470 INFO L225 Difference]: With dead ends: 3583 [2018-11-22 23:24:18,471 INFO L226 Difference]: Without dead ends: 2155 [2018-11-22 23:24:18,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:24:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-11-22 23:24:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2139. [2018-11-22 23:24:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2018-11-22 23:24:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 3120 transitions. [2018-11-22 23:24:18,544 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 3120 transitions. Word has length 137 [2018-11-22 23:24:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:18,544 INFO L480 AbstractCegarLoop]: Abstraction has 2139 states and 3120 transitions. [2018-11-22 23:24:18,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 23:24:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 3120 transitions. [2018-11-22 23:24:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-22 23:24:18,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:18,550 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:18,550 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:18,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1687278437, now seen corresponding path program 1 times [2018-11-22 23:24:18,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:18,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:18,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:18,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:18,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:18,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:24:18,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:24:18,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:18,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:24:18,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:24:18,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:24:18,775 INFO L87 Difference]: Start difference. First operand 2139 states and 3120 transitions. Second operand 6 states. [2018-11-22 23:24:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:20,659 INFO L93 Difference]: Finished difference Result 7038 states and 10416 transitions. [2018-11-22 23:24:20,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:24:20,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-11-22 23:24:20,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:20,678 INFO L225 Difference]: With dead ends: 7038 [2018-11-22 23:24:20,678 INFO L226 Difference]: Without dead ends: 4905 [2018-11-22 23:24:20,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:24:20,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2018-11-22 23:24:20,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 4867. [2018-11-22 23:24:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4867 states. [2018-11-22 23:24:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 4867 states and 6845 transitions. [2018-11-22 23:24:20,812 INFO L78 Accepts]: Start accepts. Automaton has 4867 states and 6845 transitions. Word has length 229 [2018-11-22 23:24:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:20,813 INFO L480 AbstractCegarLoop]: Abstraction has 4867 states and 6845 transitions. [2018-11-22 23:24:20,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:24:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 6845 transitions. [2018-11-22 23:24:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-22 23:24:20,817 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:20,818 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:20,818 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:20,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:20,818 INFO L82 PathProgramCache]: Analyzing trace with hash 914969597, now seen corresponding path program 1 times [2018-11-22 23:24:20,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:20,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:20,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:20,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:20,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:21,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:24:21,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:24:21,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:21,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:24:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:24:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:24:21,057 INFO L87 Difference]: Start difference. First operand 4867 states and 6845 transitions. Second operand 6 states. [2018-11-22 23:24:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:23,216 INFO L93 Difference]: Finished difference Result 12185 states and 17375 transitions. [2018-11-22 23:24:23,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:24:23,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 249 [2018-11-22 23:24:23,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:23,235 INFO L225 Difference]: With dead ends: 12185 [2018-11-22 23:24:23,235 INFO L226 Difference]: Without dead ends: 7324 [2018-11-22 23:24:23,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:24:23,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2018-11-22 23:24:23,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 7289. [2018-11-22 23:24:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7289 states. [2018-11-22 23:24:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 9808 transitions. [2018-11-22 23:24:23,407 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 9808 transitions. Word has length 249 [2018-11-22 23:24:23,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:23,407 INFO L480 AbstractCegarLoop]: Abstraction has 7289 states and 9808 transitions. [2018-11-22 23:24:23,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:24:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 9808 transitions. [2018-11-22 23:24:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:24:23,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:23,411 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:23,411 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:23,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:23,411 INFO L82 PathProgramCache]: Analyzing trace with hash -532122808, now seen corresponding path program 1 times [2018-11-22 23:24:23,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:23,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:23,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:23,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:23,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 177 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:24:23,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:24:23,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:24:23,660 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-11-22 23:24:23,662 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:24:23,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:24:23,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:24:24,077 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:24:24,079 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 23:24:24,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:24,089 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:24:24,559 INFO L227 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 78.13% of their original sizes. [2018-11-22 23:24:24,559 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:24:24,597 INFO L415 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-11-22 23:24:24,597 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:24:24,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:24:24,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-22 23:24:24,598 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:24,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:24:24,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:24:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:24:24,599 INFO L87 Difference]: Start difference. First operand 7289 states and 9808 transitions. Second operand 6 states. [2018-11-22 23:24:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:24:57,515 INFO L93 Difference]: Finished difference Result 14910 states and 20002 transitions. [2018-11-22 23:24:57,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:24:57,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2018-11-22 23:24:57,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:24:57,532 INFO L225 Difference]: With dead ends: 14910 [2018-11-22 23:24:57,532 INFO L226 Difference]: Without dead ends: 7627 [2018-11-22 23:24:57,547 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:24:57,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7627 states. [2018-11-22 23:24:57,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7627 to 7626. [2018-11-22 23:24:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-11-22 23:24:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10154 transitions. [2018-11-22 23:24:57,646 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10154 transitions. Word has length 265 [2018-11-22 23:24:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:24:57,647 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 10154 transitions. [2018-11-22 23:24:57,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:24:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10154 transitions. [2018-11-22 23:24:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 23:24:57,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:24:57,651 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:24:57,651 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:24:57,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:57,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1268379517, now seen corresponding path program 1 times [2018-11-22 23:24:57,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:24:57,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:57,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:24:57,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:24:57,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:24:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:24:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:24:57,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:24:57,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:24:57,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-11-22 23:24:57,830 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:24:57,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:24:57,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:24:58,220 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:24:58,220 INFO L272 AbstractInterpreter]: Visited 254 different actions 749 times. Merged at 4 different actions 7 times. Never widened. Performed 8785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 23:24:58,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:24:58,232 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:24:58,474 INFO L227 lantSequenceWeakener]: Weakened 310 states. On average, predicates are now at 80.72% of their original sizes. [2018-11-22 23:24:58,474 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:24:58,527 INFO L415 sIntCurrentIteration]: We unified 312 AI predicates to 312 [2018-11-22 23:24:58,527 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:24:58,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:24:58,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-22 23:24:58,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:24:58,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:24:58,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:24:58,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:24:58,529 INFO L87 Difference]: Start difference. First operand 7626 states and 10154 transitions. Second operand 9 states. [2018-11-22 23:26:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:38,082 INFO L93 Difference]: Finished difference Result 15840 states and 21176 transitions. [2018-11-22 23:26:38,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-22 23:26:38,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 313 [2018-11-22 23:26:38,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:38,111 INFO L225 Difference]: With dead ends: 15840 [2018-11-22 23:26:38,111 INFO L226 Difference]: Without dead ends: 8557 [2018-11-22 23:26:38,131 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:26:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8557 states. [2018-11-22 23:26:38,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8557 to 8551. [2018-11-22 23:26:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8551 states. [2018-11-22 23:26:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8551 states to 8551 states and 11146 transitions. [2018-11-22 23:26:38,303 INFO L78 Accepts]: Start accepts. Automaton has 8551 states and 11146 transitions. Word has length 313 [2018-11-22 23:26:38,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:38,304 INFO L480 AbstractCegarLoop]: Abstraction has 8551 states and 11146 transitions. [2018-11-22 23:26:38,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:26:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8551 states and 11146 transitions. [2018-11-22 23:26:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-11-22 23:26:38,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:38,312 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, 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, 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] [2018-11-22 23:26:38,312 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:38,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:38,312 INFO L82 PathProgramCache]: Analyzing trace with hash 8628896, now seen corresponding path program 1 times [2018-11-22 23:26:38,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:38,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:38,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:38,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:38,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 247 proven. 116 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-22 23:26:38,649 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:38,649 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:26:38,649 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-11-22 23:26:38,649 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:26:38,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:26:38,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:26:38,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:26:38,764 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 23:26:38,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:38,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:26:39,020 INFO L227 lantSequenceWeakener]: Weakened 353 states. On average, predicates are now at 80.67% of their original sizes. [2018-11-22 23:26:39,020 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:26:39,057 INFO L415 sIntCurrentIteration]: We unified 355 AI predicates to 355 [2018-11-22 23:26:39,057 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:26:39,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:26:39,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-22 23:26:39,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:39,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:26:39,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:26:39,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:26:39,058 INFO L87 Difference]: Start difference. First operand 8551 states and 11146 transitions. Second operand 10 states. [2018-11-22 23:27:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:27:58,508 INFO L93 Difference]: Finished difference Result 20208 states and 26450 transitions. [2018-11-22 23:27:58,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 23:27:58,508 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 356 [2018-11-22 23:27:58,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:27:58,543 INFO L225 Difference]: With dead ends: 20208 [2018-11-22 23:27:58,543 INFO L226 Difference]: Without dead ends: 12000 [2018-11-22 23:27:58,568 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 365 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-22 23:27:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12000 states. [2018-11-22 23:27:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12000 to 11959. [2018-11-22 23:27:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11959 states. [2018-11-22 23:27:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11959 states to 11959 states and 14927 transitions. [2018-11-22 23:27:58,802 INFO L78 Accepts]: Start accepts. Automaton has 11959 states and 14927 transitions. Word has length 356 [2018-11-22 23:27:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:27:58,802 INFO L480 AbstractCegarLoop]: Abstraction has 11959 states and 14927 transitions. [2018-11-22 23:27:58,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:27:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 11959 states and 14927 transitions. [2018-11-22 23:27:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-11-22 23:27:58,817 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:27:58,817 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:27:58,818 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:27:58,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:27:58,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1176610783, now seen corresponding path program 1 times [2018-11-22 23:27:58,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:27:58,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:27:58,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:27:58,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:27:58,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:27:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:27:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-22 23:27:59,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:27:59,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:27:59,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-11-22 23:27:59,146 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1024], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:27:59,151 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:27:59,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:27:59,433 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:27:59,433 INFO L272 AbstractInterpreter]: Visited 255 different actions 757 times. Merged at 6 different actions 12 times. Never widened. Performed 8913 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:27:59,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:27:59,434 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:27:59,696 INFO L227 lantSequenceWeakener]: Weakened 467 states. On average, predicates are now at 80.52% of their original sizes. [2018-11-22 23:27:59,696 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:27:59,744 INFO L415 sIntCurrentIteration]: We unified 469 AI predicates to 469 [2018-11-22 23:27:59,744 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:27:59,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:27:59,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-22 23:27:59,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:27:59,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:27:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:27:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:27:59,746 INFO L87 Difference]: Start difference. First operand 11959 states and 14927 transitions. Second operand 9 states. [2018-11-22 23:29:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:29:26,074 INFO L93 Difference]: Finished difference Result 25542 states and 31981 transitions. [2018-11-22 23:29:26,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 23:29:26,074 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2018-11-22 23:29:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:29:26,109 INFO L225 Difference]: With dead ends: 25542 [2018-11-22 23:29:26,110 INFO L226 Difference]: Without dead ends: 13926 [2018-11-22 23:29:26,134 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:29:26,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13926 states. [2018-11-22 23:29:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13926 to 13908. [2018-11-22 23:29:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13908 states. [2018-11-22 23:29:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13908 states to 13908 states and 17165 transitions. [2018-11-22 23:29:26,332 INFO L78 Accepts]: Start accepts. Automaton has 13908 states and 17165 transitions. Word has length 470 [2018-11-22 23:29:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:29:26,333 INFO L480 AbstractCegarLoop]: Abstraction has 13908 states and 17165 transitions. [2018-11-22 23:29:26,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:29:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13908 states and 17165 transitions. [2018-11-22 23:29:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2018-11-22 23:29:26,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:29:26,345 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:29:26,346 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:29:26,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:29:26,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1331841016, now seen corresponding path program 1 times [2018-11-22 23:29:26,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:29:26,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:29:26,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:29:26,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:29:26,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:29:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:29:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 309 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:29:26,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:29:26,826 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:29:26,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 505 with the following transitions: [2018-11-22 23:29:26,827 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:29:26,829 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:29:26,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:29:27,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:29:27,134 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8338 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8338 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:29:27,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:29:27,141 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:29:27,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:29:27,141 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:29:27,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:29:27,148 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:29:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:29:27,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:29:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-11-22 23:29:27,423 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:29:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-11-22 23:29:27,613 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:29:27,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-11-22 23:29:27,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:29:27,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:29:27,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:29:27,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-22 23:29:27,614 INFO L87 Difference]: Start difference. First operand 13908 states and 17165 transitions. Second operand 3 states. [2018-11-22 23:29:28,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:29:28,809 INFO L93 Difference]: Finished difference Result 30179 states and 37920 transitions. [2018-11-22 23:29:28,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:29:28,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 504 [2018-11-22 23:29:28,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:29:28,837 INFO L225 Difference]: With dead ends: 30179 [2018-11-22 23:29:28,837 INFO L226 Difference]: Without dead ends: 16614 [2018-11-22 23:29:28,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 1008 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-22 23:29:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16614 states. [2018-11-22 23:29:29,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16614 to 16614. [2018-11-22 23:29:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16614 states. [2018-11-22 23:29:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16614 states to 16614 states and 20261 transitions. [2018-11-22 23:29:29,058 INFO L78 Accepts]: Start accepts. Automaton has 16614 states and 20261 transitions. Word has length 504 [2018-11-22 23:29:29,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:29:29,059 INFO L480 AbstractCegarLoop]: Abstraction has 16614 states and 20261 transitions. [2018-11-22 23:29:29,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:29:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 16614 states and 20261 transitions. [2018-11-22 23:29:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-11-22 23:29:29,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:29:29,072 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:29:29,072 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:29:29,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:29:29,072 INFO L82 PathProgramCache]: Analyzing trace with hash -359000807, now seen corresponding path program 1 times [2018-11-22 23:29:29,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:29:29,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:29:29,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:29:29,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:29:29,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:29:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:29:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 355 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:29:30,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:29:30,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:29:30,241 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-11-22 23:29:30,241 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:29:30,244 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:29:30,244 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:29:30,383 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:29:30,383 INFO L272 AbstractInterpreter]: Visited 257 different actions 508 times. Merged at 4 different actions 4 times. Never widened. Performed 5453 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 23:29:30,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:29:30,384 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:29:30,646 INFO L227 lantSequenceWeakener]: Weakened 551 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-22 23:29:30,646 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:29:30,679 INFO L415 sIntCurrentIteration]: We unified 553 AI predicates to 553 [2018-11-22 23:29:30,679 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:29:30,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:29:30,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-22 23:29:30,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:29:30,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:29:30,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:29:30,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:29:30,681 INFO L87 Difference]: Start difference. First operand 16614 states and 20261 transitions. Second operand 10 states. [2018-11-22 23:30:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:20,888 INFO L93 Difference]: Finished difference Result 33226 states and 40561 transitions. [2018-11-22 23:30:20,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 23:30:20,888 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 554 [2018-11-22 23:30:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:20,929 INFO L225 Difference]: With dead ends: 33226 [2018-11-22 23:30:20,929 INFO L226 Difference]: Without dead ends: 16955 [2018-11-22 23:30:20,962 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 561 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:30:20,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16955 states. [2018-11-22 23:30:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16955 to 16953. [2018-11-22 23:30:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16953 states. [2018-11-22 23:30:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16953 states to 16953 states and 20619 transitions. [2018-11-22 23:30:21,217 INFO L78 Accepts]: Start accepts. Automaton has 16953 states and 20619 transitions. Word has length 554 [2018-11-22 23:30:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:21,218 INFO L480 AbstractCegarLoop]: Abstraction has 16953 states and 20619 transitions. [2018-11-22 23:30:21,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:30:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 16953 states and 20619 transitions. [2018-11-22 23:30:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2018-11-22 23:30:21,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:30:21,232 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:30:21,233 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:30:21,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:21,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1577593025, now seen corresponding path program 1 times [2018-11-22 23:30:21,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:30:21,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:21,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:21,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:21,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:30:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 23:30:22,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:22,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:30:22,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 646 with the following transitions: [2018-11-22 23:30:22,312 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:30:22,315 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:30:22,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:30:22,710 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:30:22,710 INFO L272 AbstractInterpreter]: Visited 259 different actions 1036 times. Merged at 7 different actions 33 times. Widened at 1 different actions 1 times. Performed 12399 root evaluator evaluations with a maximum evaluation depth of 9. Performed 12399 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 23:30:22,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:22,712 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:30:22,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:22,712 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:30:22,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:22,719 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:30:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:22,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:30:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 536 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-22 23:30:23,113 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:30:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 23:30:23,467 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:30:23,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-22 23:30:23,468 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:30:23,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:30:23,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:30:23,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:30:23,469 INFO L87 Difference]: Start difference. First operand 16953 states and 20619 transitions. Second operand 15 states. [2018-11-22 23:30:29,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:29,906 INFO L93 Difference]: Finished difference Result 44412 states and 55382 transitions. [2018-11-22 23:30:29,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-22 23:30:29,907 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 645 [2018-11-22 23:30:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:29,937 INFO L225 Difference]: With dead ends: 44412 [2018-11-22 23:30:29,937 INFO L226 Difference]: Without dead ends: 21377 [2018-11-22 23:30:29,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1374 GetRequests, 1318 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=2576, Unknown=0, NotChecked=0, Total=3306 [2018-11-22 23:30:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21377 states. [2018-11-22 23:30:30,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21377 to 19691. [2018-11-22 23:30:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19691 states. [2018-11-22 23:30:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19691 states to 19691 states and 21718 transitions. [2018-11-22 23:30:30,161 INFO L78 Accepts]: Start accepts. Automaton has 19691 states and 21718 transitions. Word has length 645 [2018-11-22 23:30:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:30,162 INFO L480 AbstractCegarLoop]: Abstraction has 19691 states and 21718 transitions. [2018-11-22 23:30:30,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:30:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 19691 states and 21718 transitions. [2018-11-22 23:30:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2018-11-22 23:30:30,168 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:30:30,168 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:30:30,168 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:30:30,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:30,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1967344282, now seen corresponding path program 1 times [2018-11-22 23:30:30,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:30:30,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:30,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:30,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:30,170 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:30:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:30,381 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-22 23:30:30,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:30:30,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:30:30,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:30:30,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:30:30,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:30:30,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:30:30,382 INFO L87 Difference]: Start difference. First operand 19691 states and 21718 transitions. Second operand 4 states. [2018-11-22 23:30:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:31,478 INFO L93 Difference]: Finished difference Result 43116 states and 48449 transitions. [2018-11-22 23:30:31,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:30:31,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 662 [2018-11-22 23:30:31,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:31,525 INFO L225 Difference]: With dead ends: 43116 [2018-11-22 23:30:31,525 INFO L226 Difference]: Without dead ends: 26173 [2018-11-22 23:30:31,560 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 [2018-11-22 23:30:31,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26173 states. [2018-11-22 23:30:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26173 to 25831. [2018-11-22 23:30:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25831 states. [2018-11-22 23:30:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25831 states to 25831 states and 28312 transitions. [2018-11-22 23:30:31,809 INFO L78 Accepts]: Start accepts. Automaton has 25831 states and 28312 transitions. Word has length 662 [2018-11-22 23:30:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:31,810 INFO L480 AbstractCegarLoop]: Abstraction has 25831 states and 28312 transitions. [2018-11-22 23:30:31,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:30:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 25831 states and 28312 transitions. [2018-11-22 23:30:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-11-22 23:30:31,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:30:31,821 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:30:31,821 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:30:31,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2055921906, now seen corresponding path program 1 times [2018-11-22 23:30:31,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:30:31,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:31,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:31,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:31,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:30:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 609 proven. 721 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2018-11-22 23:30:32,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:32,831 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:30:32,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-11-22 23:30:32,831 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:30:32,833 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:30:32,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:30:33,340 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:30:33,340 INFO L272 AbstractInterpreter]: Visited 260 different actions 1294 times. Merged at 10 different actions 37 times. Never widened. Performed 15789 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15789 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 23:30:33,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:33,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:30:33,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:33,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:30:33,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:33,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:30:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:33,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:30:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 1445 proven. 2 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2018-11-22 23:30:33,756 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:30:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 712 proven. 223 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2018-11-22 23:30:34,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:30:34,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-22 23:30:34,078 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:30:34,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:30:34,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:30:34,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-22 23:30:34,080 INFO L87 Difference]: Start difference. First operand 25831 states and 28312 transitions. Second operand 15 states. [2018-11-22 23:30:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:39,010 INFO L93 Difference]: Finished difference Result 56067 states and 61559 transitions. [2018-11-22 23:30:39,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-22 23:30:39,010 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 883 [2018-11-22 23:30:39,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:39,055 INFO L225 Difference]: With dead ends: 56067 [2018-11-22 23:30:39,055 INFO L226 Difference]: Without dead ends: 30918 [2018-11-22 23:30:39,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1857 GetRequests, 1798 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-22 23:30:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30918 states. [2018-11-22 23:30:39,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30918 to 28519. [2018-11-22 23:30:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28519 states. [2018-11-22 23:30:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28519 states to 28519 states and 30647 transitions. [2018-11-22 23:30:39,399 INFO L78 Accepts]: Start accepts. Automaton has 28519 states and 30647 transitions. Word has length 883 [2018-11-22 23:30:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:39,399 INFO L480 AbstractCegarLoop]: Abstraction has 28519 states and 30647 transitions. [2018-11-22 23:30:39,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:30:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 28519 states and 30647 transitions. [2018-11-22 23:30:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2018-11-22 23:30:39,433 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:30:39,433 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-22 23:30:39,434 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:30:39,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:39,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1733531007, now seen corresponding path program 1 times [2018-11-22 23:30:39,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:30:39,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:39,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:39,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:39,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:30:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-11-22 23:30:40,301 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:40,301 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:30:40,301 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1330 with the following transitions: [2018-11-22 23:30:40,301 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:30:40,304 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:30:40,304 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:30:41,210 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:30:41,211 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 13914 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-22 23:30:41,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:41,212 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:30:41,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:41,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:30:41,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:41,220 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:30:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:41,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:30:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 2232 proven. 2 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2018-11-22 23:30:41,931 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:30:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-11-22 23:30:42,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:30:42,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 23:30:42,746 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:30:42,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:30:42,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:30:42,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:30:42,747 INFO L87 Difference]: Start difference. First operand 28519 states and 30647 transitions. Second operand 9 states. [2018-11-22 23:30:44,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:44,858 INFO L93 Difference]: Finished difference Result 54704 states and 58900 transitions. [2018-11-22 23:30:44,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 23:30:44,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1329 [2018-11-22 23:30:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:44,900 INFO L225 Difference]: With dead ends: 54704 [2018-11-22 23:30:44,900 INFO L226 Difference]: Without dead ends: 27248 [2018-11-22 23:30:44,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2675 GetRequests, 2659 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:30:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27248 states. [2018-11-22 23:30:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27248 to 26608. [2018-11-22 23:30:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26608 states. [2018-11-22 23:30:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26608 states to 26608 states and 28223 transitions. [2018-11-22 23:30:45,204 INFO L78 Accepts]: Start accepts. Automaton has 26608 states and 28223 transitions. Word has length 1329 [2018-11-22 23:30:45,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:45,204 INFO L480 AbstractCegarLoop]: Abstraction has 26608 states and 28223 transitions. [2018-11-22 23:30:45,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:30:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 26608 states and 28223 transitions. [2018-11-22 23:30:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1331 [2018-11-22 23:30:45,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:30:45,223 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-22 23:30:45,223 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:30:45,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:45,224 INFO L82 PathProgramCache]: Analyzing trace with hash -908609506, now seen corresponding path program 1 times [2018-11-22 23:30:45,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:30:45,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:45,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:45,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:30:45,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:30:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1800 proven. 664 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2018-11-22 23:30:46,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:46,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:30:46,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1331 with the following transitions: [2018-11-22 23:30:46,649 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:30:46,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:30:46,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:30:47,605 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:30:47,605 INFO L272 AbstractInterpreter]: Visited 287 different actions 1157 times. Merged at 11 different actions 41 times. Widened at 1 different actions 1 times. Performed 13884 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13884 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 23:30:47,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:30:47,610 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:30:47,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:30:47,610 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/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 [2018-11-22 23:30:47,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:30:47,618 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:30:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:30:47,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:30:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-11-22 23:30:48,473 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:30:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-11-22 23:30:49,056 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:30:49,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-22 23:30:49,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:30:49,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:30:49,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:30:49,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:30:49,059 INFO L87 Difference]: Start difference. First operand 26608 states and 28223 transitions. Second operand 3 states. [2018-11-22 23:30:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:30:49,871 INFO L93 Difference]: Finished difference Result 51920 states and 55152 transitions. [2018-11-22 23:30:49,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:30:49,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1330 [2018-11-22 23:30:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:30:49,874 INFO L225 Difference]: With dead ends: 51920 [2018-11-22 23:30:49,874 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:30:49,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2674 GetRequests, 2662 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:30:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:30:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:30:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:30:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:30:49,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1330 [2018-11-22 23:30:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:30:49,917 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:30:49,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:30:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:30:49,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:30:49,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:30:49,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:30:50,222 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2018-11-22 23:30:50,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:30:50,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:30:50,749 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-11-22 23:30:51,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:30:51,879 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 316 [2018-11-22 23:30:52,333 WARN L180 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 48 [2018-11-22 23:30:53,133 WARN L180 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 95 [2018-11-22 23:30:54,270 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 391 DAG size of output: 96 [2018-11-22 23:30:56,941 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 395 DAG size of output: 124 [2018-11-22 23:30:57,667 WARN L180 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2018-11-22 23:30:57,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,669 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,670 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse14 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse15 (not (= (+ |old(~a18~0)| 87) 0))) (.cse16 (not (= 11 |old(~a16~0)|)))) (let ((.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse6 (+ |old(~a18~0)| 79)) (.cse5 (+ ~a18~0 79)) (.cse17 (or .cse14 .cse20 .cse15 .cse16))) (let ((.cse4 (<= (+ ~a18~0 156) 0)) (.cse3 (and (or (not (= 8 |old(~a16~0)|)) .cse14 .cse20) .cse17)) (.cse8 (= 4 |old(~a15~0)|)) (.cse12 (<= .cse5 0)) (.cse9 (not (= 8 |old(~a12~0)|))) (.cse2 (= 10 |old(~a16~0)|)) (.cse11 (< 0 .cse6)) (.cse0 (and .cse18 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse10 (< 6 |old(~a12~0)|)) (.cse1 (= 12 |old(~a16~0)|)) (.cse7 (and (= |old(~a16~0)| ~a16~0) .cse18 .cse19)) (.cse13 (= 6 |old(~a12~0)|))) (and (or .cse0 (< 8 |old(~a16~0)|)) (or .cse1 .cse2 .cse0 (< 7 |old(~a12~0)|)) (or .cse3 (or .cse4 (< 0 .cse5)) (<= .cse6 0)) (or .cse3 (<= |old(~a18~0)| 134) (< 134 ~a18~0)) (or .cse7 (or .cse8 .cse9)) (or .cse10 .cse1 .cse11 .cse12) (or .cse0 (or .cse8 .cse2)) (or .cse1 .cse12 .cse2 .cse11) (or .cse4 .cse3 (< 0 (+ |old(~a18~0)| 156))) (or .cse8 .cse12 .cse9 .cse11) (or (or .cse13 .cse8 (not .cse1) .cse11) .cse12) (or .cse1 .cse7 .cse9 .cse2) (or .cse1 .cse2 .cse11 .cse0) (or .cse10 .cse1 .cse7) (or (= (+ ~a18~0 87) 0) (and (or .cse14 .cse15 (not .cse13) .cse16) .cse17)))))) [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,671 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,672 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse7 (not (= (+ |old(~a18~0)| 87) 0))) (.cse2 (not (= 11 |old(~a16~0)|))) (.cse21 (+ |old(~a18~0)| 79)) (.cse22 (+ ~a18~0 79)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse13 (= |old(~a12~0)| ~a12~0))) (let ((.cse8 (= (+ ~a18~0 87) 0)) (.cse11 (not (= 8 |old(~a12~0)|))) (.cse0 (and .cse12 (= ~a16~0 |old(~a16~0)|) .cse13)) (.cse20 (< 6 |old(~a12~0)|)) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse5 (not (= calculate_output_~input 0))) (.cse10 (= 10 |old(~a16~0)|)) (.cse19 (<= .cse22 0)) (.cse14 (= 6 |old(~a12~0)|)) (.cse9 (= 4 |old(~a15~0)|)) (.cse17 (= 12 |old(~a16~0)|)) (.cse3 (< 0 .cse21)) (.cse16 (< 0 .cse22)) (.cse4 (= |calculate_output_#in~input| 0)) (.cse18 (and (or (not (= 8 |old(~a16~0)|)) .cse1 .cse6) (or .cse1 .cse6 .cse7 .cse2)))) (and (or .cse0 (< 8 |old(~a16~0)|)) (or (or .cse1 (= 0 |old(~a12~0)|) .cse2 .cse3 .cse4) .cse5) (or (or .cse1 .cse6 .cse2 .cse4 .cse7) .cse8) (or .cse9 .cse0 .cse10) (or .cse11 .cse9 (and (= |old(~a16~0)| ~a16~0) .cse12 .cse13)) (or (or (or .cse1 .cse2 .cse4) .cse11) .cse5) (or (or (< |old(~a12~0)| 9) .cse1 .cse2 .cse4) .cse5) (or .cse8 .cse4 (or .cse1 (not .cse14) .cse2) .cse7) (or (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse15 (not (= ~a15~0 3)) .cse16) .cse9 .cse10) (or .cse0 .cse17 (< 8 |old(~a12~0)|) .cse10) (or (< 134 ~a18~0) .cse18 (<= |old(~a18~0)| 134) .cse4) (or .cse11 .cse3 .cse9 .cse19) (or .cse0 .cse20 .cse17) (or .cse1 .cse6 .cse4 .cse5 (= 0 |old(~a16~0)|)) (or .cse17 .cse10 .cse3 .cse0) (or .cse3 .cse19 .cse20 .cse17) (or (or .cse1 .cse15 .cse2 .cse4) .cse5) (or .cse19 .cse3 .cse17 .cse10) (or .cse19 (or .cse14 .cse9 (not .cse17) .cse3)) (or (and (<= .cse21 0) (< 0 (+ |old(~a18~0)| 156))) (or (<= (+ ~a18~0 156) 0) .cse16) .cse4 .cse18)))) [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,673 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 23:30:57,674 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,675 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,676 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,677 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,678 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,679 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,680 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse15 (+ |old(~a18~0)| 79)) (.cse16 (+ ~a18~0 79)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse9 (not (= 11 |old(~a16~0)|)))) (let ((.cse5 (= (+ ~a18~0 87) 0)) (.cse8 (= 6 |old(~a12~0)|)) (.cse2 (not (= 8 |old(~a12~0)|))) (.cse14 (and (or (not (= 8 |old(~a16~0)|)) .cse7 .cse11) (or .cse7 .cse11 .cse10 .cse9))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse1 (= 4 |old(~a15~0)|)) (.cse13 (= 10 |old(~a16~0)|)) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse17 (< 6 |old(~a12~0)|)) (.cse12 (= 12 |old(~a16~0)|)) (.cse4 (<= .cse16 0)) (.cse3 (< 0 .cse15))) (and (or (< 8 |old(~a16~0)|) .cse0) (or .cse1 .cse0 .cse2) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 (not .cse8) .cse9) .cse10) (or .cse5 (or .cse7 .cse11 .cse9 .cse6 .cse10)) (or .cse12 .cse4 .cse13 .cse3) (or .cse14 (and (<= .cse15 0) (< 0 (+ |old(~a18~0)| 156))) .cse6 (or (<= (+ ~a18~0 156) 0) (< 0 .cse16))) (or (or .cse8 .cse1 (not .cse12) .cse3) .cse4) (or .cse12 .cse0 .cse2 .cse13) (or .cse14 (<= |old(~a18~0)| 134) (< 134 ~a18~0) .cse6) (or .cse1 .cse13 .cse0) (or .cse12 .cse13 .cse0 (< 7 |old(~a12~0)|)) (or .cse17 .cse12 .cse0) (or .cse12 .cse13 .cse3 .cse0) (or .cse17 .cse12 .cse4 .cse3)))) [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 23:30:57,681 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,682 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,683 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,684 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,685 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,686 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,687 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,688 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 23:30:57,689 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,690 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,691 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,692 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 23:30:57,693 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,694 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,695 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,696 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,697 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,698 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:30:57,699 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-22 23:30:57,699 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:30:57,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:30:57,700 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-11-22 23:30:57,700 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 23:30:57,700 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse2 (= 8 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse3 (not (= ~a16~0 12))) (.cse1 (not (= 10 ~a16~0)))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3 .cse1) (and .cse3 (<= ~a12~0 6)) (and .cse3 (<= ~a12~0 7) .cse1) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse0) (and (<= (+ ~a18~0 79) 0) .cse3 .cse1))) [2018-11-22 23:30:57,700 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-22 23:30:57,700 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-22 23:30:57,700 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse2 (= 8 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse3 (not (= ~a16~0 12))) (.cse1 (not (= 10 ~a16~0)))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3 .cse1) (and .cse3 (<= ~a12~0 6)) (and .cse3 (<= ~a12~0 7) .cse1) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse0) (and (<= (+ ~a18~0 79) 0) .cse3 .cse1))) [2018-11-22 23:30:57,701 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 23:30:57,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:30:57 BoogieIcfgContainer [2018-11-22 23:30:57,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:30:57,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:30:57,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:30:57,712 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:30:57,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:11" (3/4) ... [2018-11-22 23:30:57,717 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:30:57,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:30:57,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-22 23:30:57,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:30:57,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:30:57,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 23:30:57,769 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:30:57,803 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(a15 == 4) && !(10 == a16)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) [2018-11-22 23:30:57,964 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d72c104d-5df6-4e25-b2b3-22616c086057/bin-2019/utaipan/witness.graphml [2018-11-22 23:30:57,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:30:57,965 INFO L168 Benchmark]: Toolchain (without parser) took 409224.02 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -244.4 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,966 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:30:57,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,967 INFO L168 Benchmark]: Boogie Preprocessor took 77.50 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,967 INFO L168 Benchmark]: RCFGBuilder took 2010.80 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: -4.8 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,968 INFO L168 Benchmark]: TraceAbstraction took 406014.81 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -156.1 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,973 INFO L168 Benchmark]: Witness Printer took 252.48 ms. Allocated memory is still 5.2 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:57,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 829.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.26 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.50 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2010.80 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: -4.8 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 406014.81 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -156.1 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 252.48 ms. Allocated memory is still 5.2 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((!(a15 == 4) && !(10 == a16)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 405.9s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 375.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3831 SDtfs, 36607 SDslu, 3636 SDs, 0 SdLazy, 46450 SolverSat, 8074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 341.2s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 11637 GetRequests, 11379 SyntacticMatches, 13 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2182 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28519occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9981499325808565 AbsIntWeakeningRatio, 0.06656426011264721 AbsIntAvgWeakeningVarsNumRemoved, 16.127496159754223 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 5594 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1662 PreInvPairs, 3288 NumberOfFragments, 1492 HoareAnnotationTreeSize, 1662 FomulaSimplifications, 80062 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 97392 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 12819 NumberOfCodeBlocks, 12819 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 17484 ConstructedInterpolants, 0 QuantifiedInterpolants, 39401317 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6237 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 27803/30785 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...