./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label26_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label26_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 cd82d8957ec3d054ef5fb23d2f3219145d553947 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:51:17,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:51:17,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:51:17,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:51:17,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:51:17,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:51:17,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:51:17,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:51:17,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:51:17,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:51:17,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:51:17,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:51:17,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:51:17,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:51:17,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:51:17,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:51:17,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:51:17,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:51:17,964 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:51:17,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:51:17,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:51:17,966 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:51:17,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:51:17,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:51:17,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:51:17,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:51:17,970 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:51:17,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:51:17,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:51:17,971 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:51:17,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:51:17,972 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:51:17,972 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:51:17,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:51:17,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:51:17,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:51:17,974 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:51:17,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:51:17,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:51:17,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:51:17,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:51:17,985 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:51:17,986 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:51:17,986 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:51:17,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:51:17,986 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:51:17,986 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:51:17,986 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:51:17,987 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:51:17,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:51:17,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:51:17,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:51:17,989 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:51:17,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:51:17,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:51:17,989 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:51:17,989 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_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 -> cd82d8957ec3d054ef5fb23d2f3219145d553947 [2018-11-23 12:51:18,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:51:18,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:51:18,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:51:18,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:51:18,026 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:51:18,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-11-23 12:51:18,070 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/data/74052d3d8/c620eef7288746f9bd6d42d8e721cf8c/FLAGccf6635f4 [2018-11-23 12:51:18,577 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:51:18,578 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/sv-benchmarks/c/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-11-23 12:51:18,588 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/data/74052d3d8/c620eef7288746f9bd6d42d8e721cf8c/FLAGccf6635f4 [2018-11-23 12:51:19,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/data/74052d3d8/c620eef7288746f9bd6d42d8e721cf8c [2018-11-23 12:51:19,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:51:19,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:51:19,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:51:19,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:51:19,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:51:19,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19, skipping insertion in model container [2018-11-23 12:51:19,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:51:19,107 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:51:19,489 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:51:19,492 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:51:19,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:51:19,741 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:51:19,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19 WrapperNode [2018-11-23 12:51:19,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:51:19,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:51:19,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:51:19,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:51:19,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:51:19,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:51:19,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:51:19,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:51:19,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... [2018-11-23 12:51:19,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:51:19,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:51:19,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:51:19,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:51:19,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 [2018-11-23 12:51:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:51:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:51:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:51:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 12:51:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 12:51:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 12:51:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 12:51:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:51:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:51:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:51:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:51:21,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:51:21,352 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:51:21,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:21 BoogieIcfgContainer [2018-11-23 12:51:21,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:51:21,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:51:21,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:51:21,355 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:51:21,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:51:19" (1/3) ... [2018-11-23 12:51:21,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591cc23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:51:21, skipping insertion in model container [2018-11-23 12:51:21,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:19" (2/3) ... [2018-11-23 12:51:21,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591cc23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:51:21, skipping insertion in model container [2018-11-23 12:51:21,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:21" (3/3) ... [2018-11-23 12:51:21,358 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label26_true-unreach-call.c [2018-11-23 12:51:21,364 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:51:21,369 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:51:21,379 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:51:21,402 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:51:21,402 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:51:21,402 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:51:21,402 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:51:21,403 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:51:21,403 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:51:21,403 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:51:21,403 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:51:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 12:51:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 12:51:21,427 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:21,427 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:21,429 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:21,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:21,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1586905158, now seen corresponding path program 1 times [2018-11-23 12:51:21,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:21,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:21,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:21,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:21,464 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:21,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:21,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:51:21,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:21,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:51:21,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:51:21,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:51:21,639 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 12:51:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:22,791 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 12:51:22,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:51:22,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-11-23 12:51:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:22,803 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 12:51:22,803 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 12:51:22,809 INFO L631 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 [2018-11-23 12:51:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 12:51:22,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 12:51:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 12:51:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1341 transitions. [2018-11-23 12:51:22,865 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1341 transitions. Word has length 41 [2018-11-23 12:51:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:22,865 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1341 transitions. [2018-11-23 12:51:22,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:51:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1341 transitions. [2018-11-23 12:51:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 12:51:22,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:22,869 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:22,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:22,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:22,870 INFO L82 PathProgramCache]: Analyzing trace with hash 904307166, now seen corresponding path program 1 times [2018-11-23 12:51:22,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:22,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:22,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:22,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:22,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:23,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:23,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:51:23,024 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:23,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:51:23,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:51:23,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:51:23,026 INFO L87 Difference]: Start difference. First operand 742 states and 1341 transitions. Second operand 6 states. [2018-11-23 12:51:25,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:25,156 INFO L93 Difference]: Finished difference Result 2838 states and 5284 transitions. [2018-11-23 12:51:25,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:51:25,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-23 12:51:25,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:25,186 INFO L225 Difference]: With dead ends: 2838 [2018-11-23 12:51:25,187 INFO L226 Difference]: Without dead ends: 2102 [2018-11-23 12:51:25,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:51:25,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-11-23 12:51:25,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2086. [2018-11-23 12:51:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2086 states. [2018-11-23 12:51:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 3319 transitions. [2018-11-23 12:51:25,249 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 3319 transitions. Word has length 113 [2018-11-23 12:51:25,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:25,249 INFO L480 AbstractCegarLoop]: Abstraction has 2086 states and 3319 transitions. [2018-11-23 12:51:25,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:51:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 3319 transitions. [2018-11-23 12:51:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 12:51:25,252 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:25,252 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:25,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:25,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:25,253 INFO L82 PathProgramCache]: Analyzing trace with hash 569099783, now seen corresponding path program 1 times [2018-11-23 12:51:25,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:25,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:25,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:25,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:25,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:25,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:25,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:51:25,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:25,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:51:25,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:51:25,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:51:25,390 INFO L87 Difference]: Start difference. First operand 2086 states and 3319 transitions. Second operand 6 states. [2018-11-23 12:51:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:27,537 INFO L93 Difference]: Finished difference Result 5535 states and 9195 transitions. [2018-11-23 12:51:27,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:51:27,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-11-23 12:51:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:27,555 INFO L225 Difference]: With dead ends: 5535 [2018-11-23 12:51:27,555 INFO L226 Difference]: Without dead ends: 3455 [2018-11-23 12:51:27,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:51:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2018-11-23 12:51:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3427. [2018-11-23 12:51:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3427 states. [2018-11-23 12:51:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 5118 transitions. [2018-11-23 12:51:27,640 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 5118 transitions. Word has length 142 [2018-11-23 12:51:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:27,640 INFO L480 AbstractCegarLoop]: Abstraction has 3427 states and 5118 transitions. [2018-11-23 12:51:27,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:51:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 5118 transitions. [2018-11-23 12:51:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 12:51:27,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:27,647 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:27,647 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:27,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:27,648 INFO L82 PathProgramCache]: Analyzing trace with hash -256933473, now seen corresponding path program 1 times [2018-11-23 12:51:27,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:27,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:27,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:27,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:27,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:27,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:27,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:51:27,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:27,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:51:27,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:51:27,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:51:27,967 INFO L87 Difference]: Start difference. First operand 3427 states and 5118 transitions. Second operand 6 states. [2018-11-23 12:51:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:29,247 INFO L93 Difference]: Finished difference Result 8925 states and 13949 transitions. [2018-11-23 12:51:29,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:51:29,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 314 [2018-11-23 12:51:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:29,267 INFO L225 Difference]: With dead ends: 8925 [2018-11-23 12:51:29,267 INFO L226 Difference]: Without dead ends: 5504 [2018-11-23 12:51:29,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:51:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2018-11-23 12:51:29,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5492. [2018-11-23 12:51:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5492 states. [2018-11-23 12:51:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7955 transitions. [2018-11-23 12:51:29,379 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7955 transitions. Word has length 314 [2018-11-23 12:51:29,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:29,379 INFO L480 AbstractCegarLoop]: Abstraction has 5492 states and 7955 transitions. [2018-11-23 12:51:29,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:51:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7955 transitions. [2018-11-23 12:51:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-11-23 12:51:29,391 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:29,392 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:29,392 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:29,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:29,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1551608138, now seen corresponding path program 1 times [2018-11-23 12:51:29,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:29,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:29,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:29,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:29,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 68 proven. 111 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:51:29,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:51:29,683 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:51:29,684 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 430 with the following transitions: [2018-11-23 12:51:29,685 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:51:29,727 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:51:29,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:51:30,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:51:30,202 INFO L272 AbstractInterpreter]: Visited 278 different actions 278 times. Never merged. Never widened. Performed 3009 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3009 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 12:51:30,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:30,214 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:51:30,652 INFO L227 lantSequenceWeakener]: Weakened 420 states. On average, predicates are now at 77.53% of their original sizes. [2018-11-23 12:51:30,653 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:51:30,692 INFO L415 sIntCurrentIteration]: We unified 428 AI predicates to 428 [2018-11-23 12:51:30,692 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:51:30,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:51:30,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 12:51:30,693 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:30,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:51:30,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:51:30,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:51:30,694 INFO L87 Difference]: Start difference. First operand 5492 states and 7955 transitions. Second operand 6 states. [2018-11-23 12:52:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:52:19,061 INFO L93 Difference]: Finished difference Result 11316 states and 16374 transitions. [2018-11-23 12:52:19,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:52:19,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 429 [2018-11-23 12:52:19,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:52:19,076 INFO L225 Difference]: With dead ends: 11316 [2018-11-23 12:52:19,076 INFO L226 Difference]: Without dead ends: 5830 [2018-11-23 12:52:19,086 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 429 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:52:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2018-11-23 12:52:19,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5829. [2018-11-23 12:52:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5829 states. [2018-11-23 12:52:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5829 states to 5829 states and 8300 transitions. [2018-11-23 12:52:19,197 INFO L78 Accepts]: Start accepts. Automaton has 5829 states and 8300 transitions. Word has length 429 [2018-11-23 12:52:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:52:19,198 INFO L480 AbstractCegarLoop]: Abstraction has 5829 states and 8300 transitions. [2018-11-23 12:52:19,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:52:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 5829 states and 8300 transitions. [2018-11-23 12:52:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-23 12:52:19,212 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:52:19,213 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:52:19,213 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:52:19,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:52:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash -2139048049, now seen corresponding path program 1 times [2018-11-23 12:52:19,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:52:19,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:52:19,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:52:19,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:52:19,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:52:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:52:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 195 proven. 115 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 12:52:19,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:52:19,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:52:19,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 521 with the following transitions: [2018-11-23 12:52:19,514 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:52:19,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:52:19,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:52:20,176 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:52:20,176 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 times. Merged at 4 different actions 7 times. Never widened. Performed 10022 root evaluator evaluations with a maximum evaluation depth of 7. Performed 10022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:52:20,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:52:20,179 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:52:20,691 INFO L227 lantSequenceWeakener]: Weakened 517 states. On average, predicates are now at 80.22% of their original sizes. [2018-11-23 12:52:20,691 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:52:20,777 INFO L415 sIntCurrentIteration]: We unified 519 AI predicates to 519 [2018-11-23 12:52:20,777 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:52:20,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:52:20,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 12:52:20,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:52:20,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:52:20,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:52:20,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:52:20,779 INFO L87 Difference]: Start difference. First operand 5829 states and 8300 transitions. Second operand 10 states. [2018-11-23 12:53:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:16,882 INFO L93 Difference]: Finished difference Result 14413 states and 20346 transitions. [2018-11-23 12:53:16,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 12:53:16,882 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 520 [2018-11-23 12:53:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:53:16,905 INFO L225 Difference]: With dead ends: 14413 [2018-11-23 12:53:16,905 INFO L226 Difference]: Without dead ends: 8927 [2018-11-23 12:53:16,921 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 529 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:53:16,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927 states. [2018-11-23 12:53:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8927 to 8900. [2018-11-23 12:53:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8900 states. [2018-11-23 12:53:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8900 states to 8900 states and 11643 transitions. [2018-11-23 12:53:17,032 INFO L78 Accepts]: Start accepts. Automaton has 8900 states and 11643 transitions. Word has length 520 [2018-11-23 12:53:17,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:53:17,032 INFO L480 AbstractCegarLoop]: Abstraction has 8900 states and 11643 transitions. [2018-11-23 12:53:17,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:53:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8900 states and 11643 transitions. [2018-11-23 12:53:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2018-11-23 12:53:17,048 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:53:17,048 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:53:17,048 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:53:17,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:17,049 INFO L82 PathProgramCache]: Analyzing trace with hash 962451063, now seen corresponding path program 1 times [2018-11-23 12:53:17,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:53:17,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:17,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:17,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:17,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:53:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 210 proven. 257 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 12:53:17,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:53:17,697 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:53:17,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 669 with the following transitions: [2018-11-23 12:53:17,698 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:53:17,703 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:53:17,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:53:17,861 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:53:17,862 INFO L272 AbstractInterpreter]: Visited 282 different actions 558 times. Merged at 4 different actions 4 times. Never widened. Performed 6092 root evaluator evaluations with a maximum evaluation depth of 10. Performed 6092 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:53:17,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:17,870 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:53:18,179 INFO L227 lantSequenceWeakener]: Weakened 665 states. On average, predicates are now at 77.46% of their original sizes. [2018-11-23 12:53:18,179 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:53:18,215 INFO L415 sIntCurrentIteration]: We unified 667 AI predicates to 667 [2018-11-23 12:53:18,215 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:53:18,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:53:18,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-23 12:53:18,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:53:18,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:53:18,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:53:18,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:53:18,216 INFO L87 Difference]: Start difference. First operand 8900 states and 11643 transitions. Second operand 10 states. [2018-11-23 12:53:56,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:56,420 INFO L93 Difference]: Finished difference Result 17798 states and 23429 transitions. [2018-11-23 12:53:56,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:53:56,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 668 [2018-11-23 12:53:56,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:53:56,439 INFO L225 Difference]: With dead ends: 17798 [2018-11-23 12:53:56,439 INFO L226 Difference]: Without dead ends: 9241 [2018-11-23 12:53:56,466 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 675 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:53:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2018-11-23 12:53:56,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 9239. [2018-11-23 12:53:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9239 states. [2018-11-23 12:53:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9239 states to 9239 states and 11998 transitions. [2018-11-23 12:53:56,594 INFO L78 Accepts]: Start accepts. Automaton has 9239 states and 11998 transitions. Word has length 668 [2018-11-23 12:53:56,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:53:56,594 INFO L480 AbstractCegarLoop]: Abstraction has 9239 states and 11998 transitions. [2018-11-23 12:53:56,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:53:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 9239 states and 11998 transitions. [2018-11-23 12:53:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-11-23 12:53:56,625 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:53:56,626 INFO L402 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:53:56,626 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:53:56,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:56,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1220705154, now seen corresponding path program 1 times [2018-11-23 12:53:56,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:53:56,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:56,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:56,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:56,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:53:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 233 proven. 352 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-11-23 12:53:57,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:53:57,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:53:57,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-11-23 12:53:57,734 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:53:57,738 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:53:57,739 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:53:58,457 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:53:58,457 INFO L272 AbstractInterpreter]: Visited 284 different actions 1415 times. Merged at 8 different actions 38 times. Widened at 1 different actions 1 times. Performed 17586 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17586 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 12:53:58,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:58,462 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:53:58,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:53:58,463 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 [2018-11-23 12:53:58,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:58,469 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:53:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:58,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:53:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 691 proven. 2 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-23 12:53:58,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:53:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 233 proven. 352 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-11-23 12:53:59,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:53:59,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 12:53:59,283 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:53:59,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 12:53:59,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 12:53:59,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:53:59,284 INFO L87 Difference]: Start difference. First operand 9239 states and 11998 transitions. Second operand 15 states. [2018-11-23 12:54:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:05,025 INFO L93 Difference]: Finished difference Result 21537 states and 28256 transitions. [2018-11-23 12:54:05,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 12:54:05,026 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 759 [2018-11-23 12:54:05,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:05,040 INFO L225 Difference]: With dead ends: 21537 [2018-11-23 12:54:05,041 INFO L226 Difference]: Without dead ends: 9704 [2018-11-23 12:54:05,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1606 GetRequests, 1548 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=778, Invalid=2762, Unknown=0, NotChecked=0, Total=3540 [2018-11-23 12:54:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9704 states. [2018-11-23 12:54:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9704 to 9624. [2018-11-23 12:54:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9624 states. [2018-11-23 12:54:05,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 10731 transitions. [2018-11-23 12:54:05,243 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 10731 transitions. Word has length 759 [2018-11-23 12:54:05,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:05,243 INFO L480 AbstractCegarLoop]: Abstraction has 9624 states and 10731 transitions. [2018-11-23 12:54:05,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 12:54:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 10731 transitions. [2018-11-23 12:54:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2018-11-23 12:54:05,256 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:05,256 INFO L402 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:54:05,256 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:05,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1395746723, now seen corresponding path program 1 times [2018-11-23 12:54:05,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:54:05,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:05,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:05,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:05,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:54:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 146 proven. 531 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-23 12:54:05,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:05,721 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:54:05,722 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 777 with the following transitions: [2018-11-23 12:54:05,722 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:54:05,725 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:54:05,725 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:54:05,985 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:54:05,985 INFO L272 AbstractInterpreter]: Visited 283 different actions 841 times. Merged at 6 different actions 12 times. Never widened. Performed 10058 root evaluator evaluations with a maximum evaluation depth of 10. Performed 10058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 12:54:05,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:05,990 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:54:06,367 INFO L227 lantSequenceWeakener]: Weakened 773 states. On average, predicates are now at 80.2% of their original sizes. [2018-11-23 12:54:06,367 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:54:06,410 INFO L415 sIntCurrentIteration]: We unified 775 AI predicates to 775 [2018-11-23 12:54:06,410 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:54:06,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:54:06,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 12:54:06,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:54:06,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:54:06,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:54:06,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:54:06,412 INFO L87 Difference]: Start difference. First operand 9624 states and 10731 transitions. Second operand 9 states. [2018-11-23 12:54:21,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:21,266 INFO L93 Difference]: Finished difference Result 20111 states and 22541 transitions. [2018-11-23 12:54:21,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:54:21,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 776 [2018-11-23 12:54:21,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:21,283 INFO L225 Difference]: With dead ends: 20111 [2018-11-23 12:54:21,283 INFO L226 Difference]: Without dead ends: 11169 [2018-11-23 12:54:21,290 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 782 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:54:21,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11169 states. [2018-11-23 12:54:21,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11169 to 11148. [2018-11-23 12:54:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11148 states. [2018-11-23 12:54:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11148 states to 11148 states and 12292 transitions. [2018-11-23 12:54:21,424 INFO L78 Accepts]: Start accepts. Automaton has 11148 states and 12292 transitions. Word has length 776 [2018-11-23 12:54:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:21,425 INFO L480 AbstractCegarLoop]: Abstraction has 11148 states and 12292 transitions. [2018-11-23 12:54:21,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:54:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 11148 states and 12292 transitions. [2018-11-23 12:54:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2018-11-23 12:54:21,439 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:21,439 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:21,439 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:21,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash 898975406, now seen corresponding path program 1 times [2018-11-23 12:54:21,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:54:21,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:21,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:21,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:21,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:54:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 417 proven. 530 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-11-23 12:54:22,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:22,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:54:22,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 906 with the following transitions: [2018-11-23 12:54:22,491 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:54:22,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:54:22,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:54:23,218 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:54:23,218 INFO L272 AbstractInterpreter]: Visited 285 different actions 1420 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 17642 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17642 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 12:54:23,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:23,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:54:23,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:23,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 [2018-11-23 12:54:23,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:23,228 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:54:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:23,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:54:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 1060 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-23 12:54:23,564 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:54:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 516 proven. 115 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2018-11-23 12:54:23,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:54:23,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 12:54:23,975 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:54:23,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 12:54:23,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 12:54:23,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 12:54:23,976 INFO L87 Difference]: Start difference. First operand 11148 states and 12292 transitions. Second operand 15 states. [2018-11-23 12:54:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:28,684 INFO L93 Difference]: Finished difference Result 25642 states and 28582 transitions. [2018-11-23 12:54:28,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 12:54:28,685 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 905 [2018-11-23 12:54:28,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:28,704 INFO L225 Difference]: With dead ends: 25642 [2018-11-23 12:54:28,704 INFO L226 Difference]: Without dead ends: 15176 [2018-11-23 12:54:28,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1901 GetRequests, 1842 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 12:54:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15176 states. [2018-11-23 12:54:28,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15176 to 13230. [2018-11-23 12:54:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13230 states. [2018-11-23 12:54:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13230 states to 13230 states and 14406 transitions. [2018-11-23 12:54:28,877 INFO L78 Accepts]: Start accepts. Automaton has 13230 states and 14406 transitions. Word has length 905 [2018-11-23 12:54:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:28,878 INFO L480 AbstractCegarLoop]: Abstraction has 13230 states and 14406 transitions. [2018-11-23 12:54:28,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 12:54:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 13230 states and 14406 transitions. [2018-11-23 12:54:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2018-11-23 12:54:28,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:28,892 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2018-11-23 12:54:28,892 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:28,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:28,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1972296482, now seen corresponding path program 1 times [2018-11-23 12:54:28,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:54:28,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:28,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:28,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:28,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:54:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 641 proven. 115 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2018-11-23 12:54:29,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:29,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:54:29,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1090 with the following transitions: [2018-11-23 12:54:29,506 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:54:29,508 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:54:29,508 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:54:30,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:54:30,240 INFO L272 AbstractInterpreter]: Visited 286 different actions 1150 times. Merged at 10 different actions 38 times. Widened at 1 different actions 1 times. Performed 13865 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13865 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 12:54:30,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:30,242 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:54:30,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:30,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 [2018-11-23 12:54:30,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:30,255 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:54:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:30,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:54:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1365 proven. 2 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-11-23 12:54:30,764 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:54:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 641 proven. 115 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2018-11-23 12:54:31,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:54:31,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 12:54:31,163 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:54:31,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:54:31,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:54:31,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:54:31,164 INFO L87 Difference]: Start difference. First operand 13230 states and 14406 transitions. Second operand 9 states. [2018-11-23 12:54:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:32,704 INFO L93 Difference]: Finished difference Result 27682 states and 30371 transitions. [2018-11-23 12:54:32,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 12:54:32,704 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1089 [2018-11-23 12:54:32,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:32,722 INFO L225 Difference]: With dead ends: 27682 [2018-11-23 12:54:32,722 INFO L226 Difference]: Without dead ends: 15178 [2018-11-23 12:54:32,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2195 GetRequests, 2179 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:54:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15178 states. [2018-11-23 12:54:32,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15178 to 15115. [2018-11-23 12:54:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15115 states. [2018-11-23 12:54:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15115 states to 15115 states and 16326 transitions. [2018-11-23 12:54:32,876 INFO L78 Accepts]: Start accepts. Automaton has 15115 states and 16326 transitions. Word has length 1089 [2018-11-23 12:54:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:32,877 INFO L480 AbstractCegarLoop]: Abstraction has 15115 states and 16326 transitions. [2018-11-23 12:54:32,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:54:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 15115 states and 16326 transitions. [2018-11-23 12:54:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2018-11-23 12:54:32,888 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:32,889 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2018-11-23 12:54:32,889 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:32,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1643518853, now seen corresponding path program 1 times [2018-11-23 12:54:32,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:54:32,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:32,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:32,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:32,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:54:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 941 proven. 576 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-23 12:54:33,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:33,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:54:33,566 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1091 with the following transitions: [2018-11-23 12:54:33,566 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], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [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], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 12:54:33,568 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:54:33,568 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:54:34,241 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:54:34,241 INFO L272 AbstractInterpreter]: Visited 286 different actions 1150 times. Merged at 9 different actions 38 times. Never widened. Performed 13809 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13809 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 12:54:34,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:34,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:54:34,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:54:34,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/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 [2018-11-23 12:54:34,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:34,252 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:54:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:34,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:54:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-23 12:54:34,740 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:54:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-23 12:54:35,075 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:54:35,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 12:54:35,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:54:35,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:54:35,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:54:35,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:54:35,077 INFO L87 Difference]: Start difference. First operand 15115 states and 16326 transitions. Second operand 3 states. [2018-11-23 12:54:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:35,646 INFO L93 Difference]: Finished difference Result 28856 states and 31203 transitions. [2018-11-23 12:54:35,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:54:35,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1090 [2018-11-23 12:54:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:35,648 INFO L225 Difference]: With dead ends: 28856 [2018-11-23 12:54:35,648 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:35,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2192 GetRequests, 2181 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:54:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:35,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1090 [2018-11-23 12:54:35,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:35,670 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:35,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:54:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:35,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:35,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:35,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:35,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:35,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:35,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:35,844 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 185 [2018-11-23 12:54:35,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:36,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:36,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:36,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:36,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:36,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:54:37,062 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 43 [2018-11-23 12:54:37,526 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 82 [2018-11-23 12:54:38,075 WARN L180 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 80 [2018-11-23 12:54:38,983 WARN L180 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 99 [2018-11-23 12:54:39,257 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 43 [2018-11-23 12:54:39,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:39,258 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 12:54:39,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,259 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,260 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse3 (not (= 3 |old(~a15~0)|))) (.cse4 (not (= 5 |old(~a12~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (not (= 11 |old(~a16~0)|)))) (let ((.cse9 (= 6 |old(~a12~0)|)) (.cse7 (= (+ ~a18~0 87) 0)) (.cse1 (<= (+ ~a18~0 156) 0)) (.cse10 (= 10 |old(~a16~0)|)) (.cse8 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse2 (< 134 ~a18~0)) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse3 .cse4) (or .cse3 .cse4 .cse5 .cse6)))) (and (or .cse0 (< 0 (+ |old(~a18~0)| 156)) (or .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or (= 9 |old(~a16~0)|) .cse8 (< 7 |old(~a12~0)|)) (or .cse8 (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)))) (or .cse9 .cse10 .cse8) (or (or .cse3 .cse5 (not .cse9)) .cse6 .cse7) (or .cse0 (<= (+ |old(~a18~0)| 79) 0) (or .cse1 (< 0 (+ ~a18~0 79)))) (or .cse10 .cse8 (< |old(~a15~0)| 4)) (or .cse2 .cse0 (<= |old(~a18~0)| 134))))) [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,261 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,262 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= 5 |old(~a12~0)|))) (.cse11 (not (= (+ |old(~a18~0)| 87) 0))) (.cse1 (not (= 11 |old(~a16~0)|)))) (let ((.cse5 (= 6 |old(~a12~0)|)) (.cse10 (< 7 |old(~a12~0)|)) (.cse4 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse12 (= (+ ~a18~0 87) 0)) (.cse3 (not (= calculate_output_~input 0))) (.cse8 (< 134 ~a18~0)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse6 (and (or (not (= 8 |old(~a16~0)|)) .cse0 .cse13) (or .cse0 .cse13 .cse11 .cse1)))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse4 .cse5 (= 10 |old(~a16~0)|)) (or .cse6 (or .cse7 .cse8) (< 0 (+ |old(~a18~0)| 156)) .cse2) (or .cse4 (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|))) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) .cse9) (or .cse4 .cse10 (< |old(~a15~0)| 4)) (or .cse2 (or .cse0 (not .cse5) .cse1) .cse11 .cse12) (or (= 9 |old(~a16~0)|) .cse10 .cse4) (or .cse12 (or .cse0 .cse13 .cse11) .cse1 .cse2) (or .cse0 .cse13 .cse3 .cse2 (= 0 |old(~a16~0)|)) (or .cse6 (<= |old(~a18~0)| 134) .cse2 .cse8) (or (<= (+ |old(~a18~0)| 79) 0) .cse2 (or .cse7 .cse9) .cse6)))) [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,263 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,264 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,265 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,266 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,267 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,268 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,269 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,270 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a15~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse2 (not (= (+ |old(~a18~0)| 87) 0))) (.cse4 (not (= 11 |old(~a16~0)|)))) (let ((.cse3 (= (+ ~a18~0 87) 0)) (.cse9 (= 6 |old(~a12~0)|)) (.cse10 (= 10 |old(~a16~0)|)) (.cse6 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse7 (and (or (not (= 8 |old(~a16~0)|)) .cse0 .cse1) (or .cse0 .cse1 .cse2 .cse4))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse11 (<= (+ ~a18~0 156) 0)) (.cse8 (< 134 ~a18~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse6) (or .cse7 .cse8 (<= |old(~a18~0)| 134) .cse5) (or .cse5 .cse3 (or .cse0 (not .cse9) .cse4) .cse2) (or .cse9 .cse10 .cse6) (or .cse7 (<= (+ |old(~a18~0)| 79) 0) .cse5 (or .cse11 (< 0 (+ ~a18~0 79)))) (or .cse6 (= 9 |old(~a16~0)|) (< 7 |old(~a12~0)|)) (or .cse10 .cse6 (< |old(~a15~0)| 4)) (or .cse7 (< 0 (+ |old(~a18~0)| 156)) .cse5 (or .cse11 .cse8))))) [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,271 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,272 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,273 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,274 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,275 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,276 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,277 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,278 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,279 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,280 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,281 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 12:54:39,282 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:39,283 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 12:54:39,284 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:39,284 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:39,284 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-11-23 12:54:39,284 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 12:54:39,284 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 (<= 4 ~a15~0)) (not (= 3 |old(~a15~0)|)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and .cse0 (not (= ~a12~0 6))) (not (= 5 |old(~a12~0)|)))) [2018-11-23 12:54:39,284 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 12:54:39,284 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 12:54:39,284 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 (<= 4 ~a15~0)) (not (= 3 |old(~a15~0)|)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and .cse0 (not (= ~a12~0 6))) (not (= 5 |old(~a12~0)|)))) [2018-11-23 12:54:39,284 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 12:54:39,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:39 BoogieIcfgContainer [2018-11-23 12:54:39,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:39,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:39,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:39,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:39,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:21" (3/4) ... [2018-11-23 12:54:39,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:39,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:39,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 12:54:39,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 12:54:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:39,320 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 12:54:39,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:54:39,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(11 == \old(a16)) || (8 == a12 && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || (!(a16 == 10) && 4 <= a15)) || !(3 == \old(a15))) || (!(a16 == 9) && a12 <= 7)) || (!(a16 == 10) && !(a12 == 6))) || !(5 == \old(a12)) [2018-11-23 12:54:39,520 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7cb3d91-db2b-4408-9507-f67c77eaf394/bin-2019/utaipan/witness.graphml [2018-11-23 12:54:39,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:39,521 INFO L168 Benchmark]: Toolchain (without parser) took 200473.42 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 953.8 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,522 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:54:39,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,523 INFO L168 Benchmark]: Boogie Preprocessor took 80.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,523 INFO L168 Benchmark]: RCFGBuilder took 1495.05 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: -3.7 MB). Peak memory consumption was 236.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,523 INFO L168 Benchmark]: TraceAbstraction took 197939.80 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,523 INFO L168 Benchmark]: Witness Printer took 227.76 ms. Allocated memory is still 4.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 6.8 kB). Peak memory consumption was 6.8 kB. Max. memory is 11.5 GB. [2018-11-23 12:54:39,525 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1495.05 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: -3.7 MB). Peak memory consumption was 236.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 197939.80 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 227.76 ms. Allocated memory is still 4.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 6.8 kB). Peak memory consumption was 6.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((!(11 == \old(a16)) || (8 == a12 && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || (!(a16 == 10) && 4 <= a15)) || !(3 == \old(a15))) || (!(a16 == 9) && a12 <= 7)) || (!(a16 == 10) && !(a12 == 6))) || !(5 == \old(a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 197.8s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 177.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2578 SDtfs, 33061 SDslu, 2188 SDs, 0 SdLazy, 35656 SolverSat, 8266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 156.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 10344 GetRequests, 10120 SyntacticMatches, 13 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2183 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15115occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9983256920296727 AbsIntWeakeningRatio, 0.05357890330682294 AbsIntAvgWeakeningVarsNumRemoved, 16.176224361657596 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2196 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 726 PreInvPairs, 1487 NumberOfFragments, 1045 HoareAnnotationTreeSize, 726 FomulaSimplifications, 20260 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 34203 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 10689 NumberOfCodeBlocks, 10689 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 14512 ConstructedInterpolants, 0 QuantifiedInterpolants, 33316348 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5086 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 6 PerfectInterpolantSequences, 18388/21563 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...