./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 2f774d79506a747e685df8c7b35cb74edc2182c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:46:37,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:46:37,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:46:37,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:46:37,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:46:37,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:46:37,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:46:37,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:46:37,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:46:37,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:46:37,870 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:46:37,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:46:37,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:46:37,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:46:37,872 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:46:37,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:46:37,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:46:37,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:46:37,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:46:37,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:46:37,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:46:37,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:46:37,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:46:37,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:46:37,879 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:46:37,879 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:46:37,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:46:37,880 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:46:37,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:46:37,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:46:37,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:46:37,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:46:37,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:46:37,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:46:37,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:46:37,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:46:37,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:46:37,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:46:37,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:46:37,892 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:46:37,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:46:37,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:46:37,894 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:46:37,894 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:46:37,894 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:46:37,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:46:37,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:46:37,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:46:37,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:46:37,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:46:37,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:46:37,897 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:46:37,897 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_a3783706-8fcd-4e91-870c-249912e48c57/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 -> 2f774d79506a747e685df8c7b35cb74edc2182c3 [2018-11-18 14:46:37,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:46:37,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:46:37,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:46:37,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:46:37,934 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:46:37,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label25_true-unreach-call.c [2018-11-18 14:46:37,977 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/data/4726642fb/c14be6f003094d78a013a95298082fe8/FLAGc69cacedb [2018-11-18 14:46:38,394 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:46:38,394 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/sv-benchmarks/c/eca-rers2012/Problem16_label25_true-unreach-call.c [2018-11-18 14:46:38,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/data/4726642fb/c14be6f003094d78a013a95298082fe8/FLAGc69cacedb [2018-11-18 14:46:38,418 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/data/4726642fb/c14be6f003094d78a013a95298082fe8 [2018-11-18 14:46:38,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:46:38,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:46:38,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:38,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:46:38,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:46:38,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:38" (1/1) ... [2018-11-18 14:46:38,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4931611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:38, skipping insertion in model container [2018-11-18 14:46:38,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:38" (1/1) ... [2018-11-18 14:46:38,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:46:38,490 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:46:38,863 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:38,865 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:46:39,051 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:39,064 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:46:39,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39 WrapperNode [2018-11-18 14:46:39,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:39,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:39,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:46:39,065 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:46:39,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:39,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:46:39,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:46:39,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:46:39,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... [2018-11-18 14:46:39,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:46:39,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:46:39,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:46:39,248 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:46:39,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:46:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:46:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:46:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:46:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 14:46:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 14:46:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:46:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:46:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:46:39,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:46:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:46:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:46:40,669 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:46:40,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:40 BoogieIcfgContainer [2018-11-18 14:46:40,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:46:40,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:46:40,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:46:40,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:46:40,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:46:38" (1/3) ... [2018-11-18 14:46:40,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5b1d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:46:40, skipping insertion in model container [2018-11-18 14:46:40,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:39" (2/3) ... [2018-11-18 14:46:40,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5b1d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:46:40, skipping insertion in model container [2018-11-18 14:46:40,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:40" (3/3) ... [2018-11-18 14:46:40,675 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label25_true-unreach-call.c [2018-11-18 14:46:40,681 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:46:40,686 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:46:40,695 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:46:40,744 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:46:40,744 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:46:40,744 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:46:40,744 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:46:40,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:46:40,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:46:40,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:46:40,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:46:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 14:46:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 14:46:40,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:46:40,772 INFO L375 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] [2018-11-18 14:46:40,773 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:46:40,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:40,777 INFO L82 PathProgramCache]: Analyzing trace with hash -154170549, now seen corresponding path program 1 times [2018-11-18 14:46:40,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:46:40,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:40,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:40,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:40,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:46:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:40,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:46:40,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:46:40,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:46:40,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:46:41,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:46:41,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:46:41,007 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 14:46:42,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:46:42,187 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 14:46:42,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:46:42,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 14:46:42,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:46:42,201 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 14:46:42,201 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 14:46:42,205 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:46:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 14:46:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 14:46:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 14:46:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-18 14:46:42,262 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 57 [2018-11-18 14:46:42,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:46:42,262 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-18 14:46:42,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:46:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-18 14:46:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 14:46:42,268 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:46:42,268 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:46:42,268 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:46:42,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash -190456344, now seen corresponding path program 1 times [2018-11-18 14:46:42,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:46:42,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:42,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:42,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:42,270 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:46:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:42,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:46:42,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:46:42,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:46:42,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:46:42,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:46:42,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:46:42,481 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-18 14:46:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:46:44,628 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-18 14:46:44,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:46:44,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-18 14:46:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:46:44,637 INFO L225 Difference]: With dead ends: 2183 [2018-11-18 14:46:44,637 INFO L226 Difference]: Without dead ends: 1445 [2018-11-18 14:46:44,641 INFO L604 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 [2018-11-18 14:46:44,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-18 14:46:44,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-18 14:46:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-18 14:46:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-18 14:46:44,686 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 165 [2018-11-18 14:46:44,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:46:44,686 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-18 14:46:44,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:46:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-18 14:46:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 14:46:44,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:46:44,689 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:46:44,689 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:46:44,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:44,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2100649045, now seen corresponding path program 1 times [2018-11-18 14:46:44,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:46:44,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:44,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:44,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:44,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:46:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:44,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:46:44,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:46:44,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:46:44,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:46:44,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:46:44,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:46:44,826 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-18 14:46:46,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:46:46,058 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-18 14:46:46,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:46:46,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-18 14:46:46,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:46:46,071 INFO L225 Difference]: With dead ends: 3902 [2018-11-18 14:46:46,071 INFO L226 Difference]: Without dead ends: 2484 [2018-11-18 14:46:46,074 INFO L604 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 [2018-11-18 14:46:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-18 14:46:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-18 14:46:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-18 14:46:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-18 14:46:46,125 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 168 [2018-11-18 14:46:46,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:46:46,126 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-18 14:46:46,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:46:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-18 14:46:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 14:46:46,130 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:46:46,130 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:46:46,131 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:46:46,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:46,131 INFO L82 PathProgramCache]: Analyzing trace with hash 778239368, now seen corresponding path program 1 times [2018-11-18 14:46:46,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:46:46,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:46,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:46,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:46,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:46:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:46:46,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:46:46,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:46:46,304 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-18 14:46:46,305 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:46:46,333 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:46:46,333 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:46:46,629 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:46:46,631 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 14:46:46,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:46,648 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:46:47,048 INFO L227 lantSequenceWeakener]: Weakened 275 states. On average, predicates are now at 77.95% of their original sizes. [2018-11-18 14:46:47,049 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:46:47,075 INFO L415 sIntCurrentIteration]: We unified 283 AI predicates to 283 [2018-11-18 14:46:47,076 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:46:47,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:46:47,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 14:46:47,077 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:46:47,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:46:47,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:46:47,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:46:47,078 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-18 14:47:48,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:47:48,142 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-18 14:47:48,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:47:48,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 284 [2018-11-18 14:47:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:47:48,151 INFO L225 Difference]: With dead ends: 5282 [2018-11-18 14:47:48,152 INFO L226 Difference]: Without dead ends: 2814 [2018-11-18 14:47:48,157 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:47:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-18 14:47:48,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-18 14:47:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-18 14:47:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-18 14:47:48,209 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 284 [2018-11-18 14:47:48,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:47:48,209 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-18 14:47:48,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:47:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-18 14:47:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 14:47:48,215 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:47:48,216 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:47:48,216 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:47:48,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:47:48,216 INFO L82 PathProgramCache]: Analyzing trace with hash 160193259, now seen corresponding path program 1 times [2018-11-18 14:47:48,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:47:48,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:47:48,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:47:48,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:47:48,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:47:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:47:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 245 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 14:47:48,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:47:48,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:47:48,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-18 14:47:48,404 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:47:48,407 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:47:48,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:47:48,641 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:47:48,642 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Performed 3532 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3532 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:47:48,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:47:48,657 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:47:48,999 INFO L227 lantSequenceWeakener]: Weakened 373 states. On average, predicates are now at 80.52% of their original sizes. [2018-11-18 14:47:48,999 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:47:49,074 INFO L415 sIntCurrentIteration]: We unified 375 AI predicates to 375 [2018-11-18 14:47:49,074 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:47:49,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:47:49,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 14:47:49,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:47:49,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:47:49,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:47:49,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:47:49,076 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-18 14:48:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:48:44,364 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-18 14:48:44,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:48:44,364 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 376 [2018-11-18 14:48:44,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:48:44,382 INFO L225 Difference]: With dead ends: 8059 [2018-11-18 14:48:44,382 INFO L226 Difference]: Without dead ends: 5591 [2018-11-18 14:48:44,393 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 385 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:48:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-18 14:48:44,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-18 14:48:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-18 14:48:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-18 14:48:44,493 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 376 [2018-11-18 14:48:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:48:44,493 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-18 14:48:44,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:48:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-18 14:48:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-11-18 14:48:44,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:48:44,505 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:48:44,505 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:48:44,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:48:44,506 INFO L82 PathProgramCache]: Analyzing trace with hash -475876477, now seen corresponding path program 1 times [2018-11-18 14:48:44,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:48:44,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:48:44,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:48:44,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:48:44,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:48:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:48:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 260 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:48:45,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:48:45,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:48:45,103 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-11-18 14:48:45,104 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:48:45,109 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:48:45,109 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:48:45,326 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:48:45,326 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5195 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5195 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:48:45,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:48:45,345 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:48:45,677 INFO L227 lantSequenceWeakener]: Weakened 521 states. On average, predicates are now at 77.68% of their original sizes. [2018-11-18 14:48:45,677 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:48:45,712 INFO L415 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-11-18 14:48:45,713 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:48:45,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:48:45,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 14:48:45,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:48:45,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:48:45,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:48:45,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:48:45,714 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. [2018-11-18 14:50:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:15,299 INFO L93 Difference]: Finished difference Result 11133 states and 14342 transitions. [2018-11-18 14:50:15,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:50:15,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 524 [2018-11-18 14:50:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:15,315 INFO L225 Difference]: With dead ends: 11133 [2018-11-18 14:50:15,315 INFO L226 Difference]: Without dead ends: 5910 [2018-11-18 14:50:15,325 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 531 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:50:15,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2018-11-18 14:50:15,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5907. [2018-11-18 14:50:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5907 states. [2018-11-18 14:50:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 7456 transitions. [2018-11-18 14:50:15,423 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 7456 transitions. Word has length 524 [2018-11-18 14:50:15,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:15,424 INFO L480 AbstractCegarLoop]: Abstraction has 5907 states and 7456 transitions. [2018-11-18 14:50:15,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:50:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 7456 transitions. [2018-11-18 14:50:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2018-11-18 14:50:15,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:15,439 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:15,439 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:15,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:15,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1362176282, now seen corresponding path program 1 times [2018-11-18 14:50:15,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:15,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:15,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:15,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:15,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 300 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 14:50:16,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:16,312 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:16,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 617 with the following transitions: [2018-11-18 14:50:16,312 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:50:16,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:16,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:16,743 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:50:16,743 INFO L272 AbstractInterpreter]: Visited 251 different actions 1244 times. Merged at 9 different actions 36 times. Never widened. Performed 15008 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15008 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:50:16,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:16,749 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:50:16,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:16,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:50:16,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:16,756 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:50:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:16,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:50:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 599 proven. 2 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-18 14:50:17,155 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:50:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 300 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 14:50:17,500 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:50:17,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 14:50:17,500 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:50:17,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:50:17,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:50:17,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:50:17,501 INFO L87 Difference]: Start difference. First operand 5907 states and 7456 transitions. Second operand 16 states. [2018-11-18 14:50:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:23,771 INFO L93 Difference]: Finished difference Result 14313 states and 18258 transitions. [2018-11-18 14:50:23,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 14:50:23,771 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 616 [2018-11-18 14:50:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:23,787 INFO L225 Difference]: With dead ends: 14313 [2018-11-18 14:50:23,787 INFO L226 Difference]: Without dead ends: 6157 [2018-11-18 14:50:23,818 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1335 GetRequests, 1269 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=955, Invalid=3601, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 14:50:23,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6157 states. [2018-11-18 14:50:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6157 to 5955. [2018-11-18 14:50:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5955 states. [2018-11-18 14:50:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 6539 transitions. [2018-11-18 14:50:23,907 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 6539 transitions. Word has length 616 [2018-11-18 14:50:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:23,907 INFO L480 AbstractCegarLoop]: Abstraction has 5955 states and 6539 transitions. [2018-11-18 14:50:23,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:50:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 6539 transitions. [2018-11-18 14:50:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2018-11-18 14:50:23,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:23,923 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:23,923 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:23,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:23,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1675151911, now seen corresponding path program 1 times [2018-11-18 14:50:23,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:23,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:23,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:23,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:23,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 212 proven. 389 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-18 14:50:24,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:24,272 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:24,273 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 634 with the following transitions: [2018-11-18 14:50:24,273 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:50:24,276 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:24,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:24,513 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:50:24,513 INFO L272 AbstractInterpreter]: Visited 258 different actions 769 times. Merged at 7 different actions 17 times. Never widened. Performed 8987 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8987 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:50:24,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:24,517 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:50:25,181 INFO L227 lantSequenceWeakener]: Weakened 630 states. On average, predicates are now at 80.35% of their original sizes. [2018-11-18 14:50:25,181 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:50:25,218 INFO L415 sIntCurrentIteration]: We unified 632 AI predicates to 632 [2018-11-18 14:50:25,219 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:50:25,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:50:25,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 14:50:25,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:25,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:50:25,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:50:25,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:25,220 INFO L87 Difference]: Start difference. First operand 5955 states and 6539 transitions. Second operand 9 states. [2018-11-18 14:51:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:34,746 INFO L93 Difference]: Finished difference Result 12435 states and 13729 transitions. [2018-11-18 14:51:34,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:51:34,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 633 [2018-11-18 14:51:34,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:34,756 INFO L225 Difference]: With dead ends: 12435 [2018-11-18 14:51:34,757 INFO L226 Difference]: Without dead ends: 7164 [2018-11-18 14:51:34,761 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 639 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:51:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-11-18 14:51:34,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7142. [2018-11-18 14:51:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7142 states. [2018-11-18 14:51:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 7750 transitions. [2018-11-18 14:51:34,850 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 7750 transitions. Word has length 633 [2018-11-18 14:51:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:34,850 INFO L480 AbstractCegarLoop]: Abstraction has 7142 states and 7750 transitions. [2018-11-18 14:51:34,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:51:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 7750 transitions. [2018-11-18 14:51:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2018-11-18 14:51:34,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:34,859 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-18 14:51:34,859 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:34,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1522790498, now seen corresponding path program 1 times [2018-11-18 14:51:34,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:34,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:34,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:34,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:34,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 504 proven. 511 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 14:51:35,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:35,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:35,668 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 764 with the following transitions: [2018-11-18 14:51:35,669 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:51:35,671 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:35,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:36,206 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:36,206 INFO L272 AbstractInterpreter]: Visited 260 different actions 1295 times. Merged at 10 different actions 42 times. Never widened. Performed 15745 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15745 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:51:36,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:36,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:36,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:36,209 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:51:36,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:36,217 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:36,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2018-11-18 14:51:36,543 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 602 proven. 110 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2018-11-18 14:51:36,796 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:51:36,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 14:51:36,797 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:51:36,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 14:51:36,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 14:51:36,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:51:36,797 INFO L87 Difference]: Start difference. First operand 7142 states and 7750 transitions. Second operand 15 states. [2018-11-18 14:51:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:41,356 INFO L93 Difference]: Finished difference Result 19625 states and 21757 transitions. [2018-11-18 14:51:41,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 14:51:41,357 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 763 [2018-11-18 14:51:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:41,376 INFO L225 Difference]: With dead ends: 19625 [2018-11-18 14:51:41,376 INFO L226 Difference]: Without dead ends: 13167 [2018-11-18 14:51:41,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1617 GetRequests, 1558 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 14:51:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13167 states. [2018-11-18 14:51:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13167 to 11191. [2018-11-18 14:51:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11191 states. [2018-11-18 14:51:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11191 states to 11191 states and 12190 transitions. [2018-11-18 14:51:41,485 INFO L78 Accepts]: Start accepts. Automaton has 11191 states and 12190 transitions. Word has length 763 [2018-11-18 14:51:41,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:41,486 INFO L480 AbstractCegarLoop]: Abstraction has 11191 states and 12190 transitions. [2018-11-18 14:51:41,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 14:51:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11191 states and 12190 transitions. [2018-11-18 14:51:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2018-11-18 14:51:41,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:41,496 INFO L375 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:41,497 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:41,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:41,497 INFO L82 PathProgramCache]: Analyzing trace with hash 775492412, now seen corresponding path program 1 times [2018-11-18 14:51:41,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:41,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:41,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:41,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:41,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2689 backedges. 815 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 14:51:42,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:42,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:42,057 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1092 with the following transitions: [2018-11-18 14:51:42,057 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:51:42,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:42,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:42,493 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:42,493 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 11941 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11941 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:51:42,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:42,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:42,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:42,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:51:42,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:42,507 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:42,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2689 backedges. 1789 proven. 2 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2018-11-18 14:51:43,037 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2689 backedges. 815 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 14:51:43,452 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:51:43,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:51:43,452 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:51:43,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:51:43,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:51:43,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:51:43,454 INFO L87 Difference]: Start difference. First operand 11191 states and 12190 transitions. Second operand 9 states. [2018-11-18 14:51:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:45,215 INFO L93 Difference]: Finished difference Result 23359 states and 25752 transitions. [2018-11-18 14:51:45,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:51:45,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1091 [2018-11-18 14:51:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:45,242 INFO L225 Difference]: With dead ends: 23359 [2018-11-18 14:51:45,242 INFO L226 Difference]: Without dead ends: 12897 [2018-11-18 14:51:45,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2199 GetRequests, 2183 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:51:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12897 states. [2018-11-18 14:51:45,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12897 to 12821. [2018-11-18 14:51:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12821 states. [2018-11-18 14:51:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12821 states to 12821 states and 13809 transitions. [2018-11-18 14:51:45,407 INFO L78 Accepts]: Start accepts. Automaton has 12821 states and 13809 transitions. Word has length 1091 [2018-11-18 14:51:45,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:45,408 INFO L480 AbstractCegarLoop]: Abstraction has 12821 states and 13809 transitions. [2018-11-18 14:51:45,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:51:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12821 states and 13809 transitions. [2018-11-18 14:51:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2018-11-18 14:51:45,425 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:45,425 INFO L375 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, 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, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:45,426 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:45,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:45,426 INFO L82 PathProgramCache]: Analyzing trace with hash 827193855, now seen corresponding path program 1 times [2018-11-18 14:51:45,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:45,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:45,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:45,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:45,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2695 backedges. 988 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 14:51:46,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:46,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:46,103 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1093 with the following transitions: [2018-11-18 14:51:46,103 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:51:46,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:46,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:46,551 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:46,551 INFO L272 AbstractInterpreter]: Visited 254 different actions 1022 times. Merged at 12 different actions 41 times. Never widened. Performed 11899 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11899 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:51:46,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:46,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:46,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:46,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:51:46,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:46,567 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:46,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2695 backedges. 1538 proven. 2 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-11-18 14:51:47,080 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2695 backedges. 988 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 14:51:47,500 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:51:47,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:51:47,501 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:51:47,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:51:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:51:47,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:51:47,502 INFO L87 Difference]: Start difference. First operand 12821 states and 13809 transitions. Second operand 9 states. [2018-11-18 14:51:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:49,989 INFO L93 Difference]: Finished difference Result 28517 states and 32002 transitions. [2018-11-18 14:51:49,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 14:51:49,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1092 [2018-11-18 14:51:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:50,020 INFO L225 Difference]: With dead ends: 28517 [2018-11-18 14:51:50,020 INFO L226 Difference]: Without dead ends: 16425 [2018-11-18 14:51:50,039 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2212 GetRequests, 2190 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:51:50,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16425 states. [2018-11-18 14:51:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16425 to 16348. [2018-11-18 14:51:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16348 states. [2018-11-18 14:51:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16348 states to 16348 states and 17878 transitions. [2018-11-18 14:51:50,243 INFO L78 Accepts]: Start accepts. Automaton has 16348 states and 17878 transitions. Word has length 1092 [2018-11-18 14:51:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:50,244 INFO L480 AbstractCegarLoop]: Abstraction has 16348 states and 17878 transitions. [2018-11-18 14:51:50,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:51:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 16348 states and 17878 transitions. [2018-11-18 14:51:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1102 [2018-11-18 14:51:50,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:50,255 INFO L375 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:50,255 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:50,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1395077781, now seen corresponding path program 1 times [2018-11-18 14:51:50,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:50,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:50,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 886 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 14:51:50,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:50,880 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:50,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1102 with the following transitions: [2018-11-18 14:51:50,881 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1176], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:51:50,884 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:50,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:51,418 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:51,418 INFO L272 AbstractInterpreter]: Visited 253 different actions 1013 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 11821 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11821 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:51:51,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:51,420 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:51,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:51,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/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 [2018-11-18 14:51:51,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:51,431 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:51,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1370 proven. 2 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2018-11-18 14:51:51,860 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 886 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 14:51:52,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:51:52,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 14:51:52,309 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:51:52,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:51:52,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:51:52,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:51:52,310 INFO L87 Difference]: Start difference. First operand 16348 states and 17878 transitions. Second operand 10 states. [2018-11-18 14:51:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:54,305 INFO L93 Difference]: Finished difference Result 31559 states and 34428 transitions. [2018-11-18 14:51:54,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:51:54,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1101 [2018-11-18 14:51:54,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:54,326 INFO L225 Difference]: With dead ends: 31559 [2018-11-18 14:51:54,326 INFO L226 Difference]: Without dead ends: 15940 [2018-11-18 14:51:54,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2233 GetRequests, 2209 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:51:54,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2018-11-18 14:51:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15855. [2018-11-18 14:51:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15855 states. [2018-11-18 14:51:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 16961 transitions. [2018-11-18 14:51:54,468 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 16961 transitions. Word has length 1101 [2018-11-18 14:51:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:54,469 INFO L480 AbstractCegarLoop]: Abstraction has 15855 states and 16961 transitions. [2018-11-18 14:51:54,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:51:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 16961 transitions. [2018-11-18 14:51:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2018-11-18 14:51:54,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:54,480 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:51:54,480 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:54,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:54,480 INFO L82 PathProgramCache]: Analyzing trace with hash 574382388, now seen corresponding path program 1 times [2018-11-18 14:51:54,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:54,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:54,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:54,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:54,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 980 proven. 607 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 14:51:55,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:55,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:55,383 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1122 with the following transitions: [2018-11-18 14:51:55,383 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], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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], [1176], [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], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:51:55,386 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:55,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:56,236 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:56,236 INFO L272 AbstractInterpreter]: Visited 286 different actions 1145 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 13723 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13723 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:51:56,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:56,241 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:56,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:56,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:51:56,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:56,248 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:56,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 14:51:56,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 14:51:57,030 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:51:57,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 14:51:57,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:57,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:51:57,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:51:57,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:51:57,031 INFO L87 Difference]: Start difference. First operand 15855 states and 16961 transitions. Second operand 3 states. [2018-11-18 14:51:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:57,579 INFO L93 Difference]: Finished difference Result 30041 states and 32158 transitions. [2018-11-18 14:51:57,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:51:57,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1121 [2018-11-18 14:51:57,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:57,581 INFO L225 Difference]: With dead ends: 30041 [2018-11-18 14:51:57,581 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:51:57,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2254 GetRequests, 2243 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:51:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:51:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:51:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:51:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:51:57,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1121 [2018-11-18 14:51:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:57,600 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:51:57,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:51:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:51:57,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:51:57,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:51:57,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,758 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 218 [2018-11-18 14:51:57,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:57,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:58,655 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2018-11-18 14:51:59,006 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 47 [2018-11-18 14:51:59,658 WARN L180 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 87 [2018-11-18 14:52:00,132 WARN L180 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2018-11-18 14:52:01,083 WARN L180 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 104 [2018-11-18 14:52:01,424 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 44 [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L421 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)) [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,431 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,432 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse6 (= |old(~a15~0)| ~a15~0)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse9 (not (= (+ |old(~a18~0)| 87) 0))) (.cse10 (not (= 11 |old(~a16~0)|)))) (let ((.cse3 (< 134 ~a18~0)) (.cse0 (= (+ ~a18~0 87) 0)) (.cse1 (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse5) (or .cse4 .cse5 .cse9 .cse10))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse11 (= 10 |old(~a16~0)|)) (.cse8 (and (= |old(~a16~0)| ~a16~0) .cse6 .cse7))) (and (or (or (= ~a16~0 8) .cse0) .cse1) (or .cse1 (< 0 (+ |old(~a18~0)| 156)) (or .cse2 .cse3)) (or .cse4 .cse5 (and .cse6 (= ~a16~0 |old(~a16~0)|) .cse7)) (or (= 9 |old(~a16~0)|) .cse8 (< 7 |old(~a12~0)|)) (or .cse1 (<= |old(~a18~0)| 134) .cse3) (or .cse8 (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)))) (or (or .cse4 .cse9 (not (= 6 |old(~a12~0)|))) .cse10 .cse0) (or .cse1 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or (< |old(~a12~0)| 7) .cse11 .cse8) (or .cse11 .cse8 (< |old(~a15~0)| 4))))) [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,433 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a15~0)|))) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse1 (not (= 11 |old(~a16~0)|)))) (let ((.cse4 (or .cse0 .cse10 .cse5 .cse1)) (.cse15 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (not (= calculate_output_~input 0))) (.cse13 (< 7 |old(~a12~0)|)) (.cse6 (and .cse15 .cse11 .cse12)) (.cse8 (< 134 ~a18~0)) (.cse7 (and (or (not (= 8 |old(~a16~0)|)) .cse0 .cse10) .cse4)) (.cse14 (<= (+ ~a18~0 156) 0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse2 (and (or .cse0 (not (= 6 |old(~a12~0)|)) .cse1) .cse4) .cse5 (= (+ ~a18~0 87) 0)) (or (< |old(~a12~0)| 7) .cse6 (= 10 |old(~a16~0)|)) (or .cse7 (<= |old(~a18~0)| 134) .cse8 .cse2) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) .cse9) (or .cse0 .cse10 (and .cse11 .cse3 (= ~a16~0 |old(~a16~0)|) .cse12) (= 0 |old(~a16~0)|) .cse2) (or .cse6 .cse13 (< |old(~a15~0)| 4)) (or (= 9 |old(~a16~0)|) .cse13 .cse6) (or .cse7 (< 0 (+ |old(~a18~0)| 156)) (or .cse14 .cse8) .cse2) (or (= 4 |old(~a15~0)|) (and (and .cse15 .cse11) .cse12) (not (= 8 |old(~a12~0)|))) (or .cse7 (<= (+ |old(~a18~0)| 79) 0) (or .cse14 .cse9) .cse2))))) [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 14:52:01,434 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,435 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,436 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,437 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,438 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:52:01,439 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,440 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse7 (not (= 11 |old(~a16~0)|)))) (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse8 (= (+ ~a18~0 87) 0)) (.cse9 (< 134 ~a18~0)) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse5) (or .cse4 .cse5 .cse6 .cse7))) (.cse10 (= 10 |old(~a16~0)|)) (.cse3 (and (= |old(~a16~0)| ~a16~0) .cse11 .cse12)) (.cse2 (= |calculate_output_#in~input| 0))) (and (or .cse0 (or .cse1 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse2) (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse3) (or (or .cse4 .cse5 .cse6 .cse7 .cse2) .cse8) (or (or .cse1 .cse9) .cse0 (< 0 (+ |old(~a18~0)| 156)) .cse2) (or .cse2 .cse8 (or .cse4 (not (= 6 |old(~a12~0)|)) .cse7) .cse6) (or .cse3 (= 9 |old(~a16~0)|) (< 7 |old(~a12~0)|)) (or .cse10 .cse3 (< |old(~a15~0)| 4)) (or .cse9 .cse0 (<= |old(~a18~0)| 134) .cse2) (or (< |old(~a12~0)| 7) .cse10 .cse3) (or .cse4 .cse5 .cse2 (and .cse11 (= ~a16~0 |old(~a16~0)|) .cse12))))) [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,441 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,442 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,443 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,444 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,445 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:52:01,446 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,447 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:52:01,448 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:52:01,449 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:52:01,450 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:52:01,451 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,452 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:52:01,453 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L421 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)) [2018-11-18 14:52:01,454 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and (<= 7 ~a12~0) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 (<= 4 ~a15~0)) (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))))) [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 14:52:01,454 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 14:52:01,455 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 14:52:01,455 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and (<= 7 ~a12~0) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 (<= 4 ~a15~0)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (and (= ~a15~0 3) (= 5 ~a12~0)))) [2018-11-18 14:52:01,455 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:52:01,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:52:01 BoogieIcfgContainer [2018-11-18 14:52:01,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:52:01,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:52:01,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:52:01,464 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:52:01,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:40" (3/4) ... [2018-11-18 14:52:01,467 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:52:01,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:52:01,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 14:52:01,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:52:01,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:52:01,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 14:52:01,491 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:52:01,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || (!(a16 == 9) && a12 <= 7)) || (7 <= a12 && !(a16 == 10))) || !(3 == \old(a15))) || (!(a16 == 10) && 4 <= a15)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12) [2018-11-18 14:52:01,655 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3783706-8fcd-4e91-870c-249912e48c57/bin-2019/utaipan/witness.graphml [2018-11-18 14:52:01,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:52:01,656 INFO L168 Benchmark]: Toolchain (without parser) took 323234.66 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 956.6 MB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,657 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:52:01,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 876.0 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -260.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,657 INFO L168 Benchmark]: Boogie Preprocessor took 67.15 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,658 INFO L168 Benchmark]: RCFGBuilder took 1421.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.1 MB in the end (delta: 247.6 MB). Peak memory consumption was 247.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,658 INFO L168 Benchmark]: TraceAbstraction took 320793.69 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 877.2 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,658 INFO L168 Benchmark]: Witness Printer took 191.58 ms. Allocated memory is still 5.4 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 26.4 kB). Peak memory consumption was 26.4 kB. Max. memory is 11.5 GB. [2018-11-18 14:52:01,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 876.0 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -260.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.15 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1421.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.1 MB in the end (delta: 247.6 MB). Peak memory consumption was 247.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 320793.69 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 877.2 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 191.58 ms. Allocated memory is still 5.4 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 26.4 kB). Peak memory consumption was 26.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: 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: (((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || (!(a16 == 9) && a12 <= 7)) || (7 <= a12 && !(a16 == 10))) || !(3 == \old(a15))) || (!(a16 == 10) && 4 <= a15)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 320.7s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 298.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2739 SDtfs, 33828 SDslu, 3408 SDs, 0 SdLazy, 49487 SolverSat, 8933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 274.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 13714 GetRequests, 13444 SyntacticMatches, 18 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2730 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16348occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9978062909716587 AbsIntWeakeningRatio, 0.07060121345835632 AbsIntAvgWeakeningVarsNumRemoved, 15.942084942084943 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 813 PreInvPairs, 1828 NumberOfFragments, 1127 HoareAnnotationTreeSize, 813 FomulaSimplifications, 26911 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 33637 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 13775 NumberOfCodeBlocks, 13775 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 19534 ConstructedInterpolants, 0 QuantifiedInterpolants, 40231981 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7758 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 34826/38124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...