./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label42_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_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 2dc70f935d96729dc0294c803f13c2e43305b69e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:24:56,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:24:56,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:24:56,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:24:56,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:24:56,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:24:56,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:24:56,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:24:56,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:24:56,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:24:56,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:24:56,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:24:56,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:24:56,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:24:56,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:24:56,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:24:56,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:24:56,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:24:56,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:24:56,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:24:56,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:24:56,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:24:56,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:24:56,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:24:56,939 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:24:56,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:24:56,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:24:56,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:24:56,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:24:56,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:24:56,942 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:24:56,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:24:56,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:24:56,943 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:24:56,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:24:56,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:24:56,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:24:56,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:24:56,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:24:56,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:24:56,955 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:24:56,955 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:24:56,956 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:24:56,956 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:24:56,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:24:56,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:24:56,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:24:56,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:24:56,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:24:56,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:24:56,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:24:56,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:24:56,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:24:56,959 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:24:56,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:24:56,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:24:56,960 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:24:56,960 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_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 -> 2dc70f935d96729dc0294c803f13c2e43305b69e [2018-11-23 00:24:56,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:24:56,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:24:56,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:24:56,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:24:56,993 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:24:56,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-11-23 00:24:57,034 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/data/a81d288cb/2ebb83842df04393b96028b84017949c/FLAG99a970521 [2018-11-23 00:24:57,441 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:24:57,442 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-11-23 00:24:57,453 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/data/a81d288cb/2ebb83842df04393b96028b84017949c/FLAG99a970521 [2018-11-23 00:24:57,462 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/data/a81d288cb/2ebb83842df04393b96028b84017949c [2018-11-23 00:24:57,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:24:57,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:24:57,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:57,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:24:57,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:24:57,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:57" (1/1) ... [2018-11-23 00:24:57,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7a6821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:57, skipping insertion in model container [2018-11-23 00:24:57,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:57" (1/1) ... [2018-11-23 00:24:57,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:24:57,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:24:57,910 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:57,912 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:24:58,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:58,072 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:24:58,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58 WrapperNode [2018-11-23 00:24:58,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:58,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:58,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:24:58,073 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:24:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:58,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:24:58,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:24:58,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:24:58,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... [2018-11-23 00:24:58,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:24:58,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:24:58,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:24:58,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:24:58,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 00:24:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:24:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:24:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:24:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 00:24:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 00:24:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:24:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:24:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:24:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:24:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:24:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:25:00,512 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:25:00,512 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:25:00,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:00 BoogieIcfgContainer [2018-11-23 00:25:00,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:25:00,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:25:00,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:25:00,517 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:25:00,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:24:57" (1/3) ... [2018-11-23 00:25:00,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4c738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:25:00, skipping insertion in model container [2018-11-23 00:25:00,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:58" (2/3) ... [2018-11-23 00:25:00,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4c738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:25:00, skipping insertion in model container [2018-11-23 00:25:00,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:00" (3/3) ... [2018-11-23 00:25:00,520 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label42_true-unreach-call.c [2018-11-23 00:25:00,528 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:25:00,535 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:25:00,548 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:25:00,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:25:00,578 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:25:00,578 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:25:00,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:25:00,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:25:00,579 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:25:00,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:25:00,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:25:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 00:25:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 00:25:00,614 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:00,614 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:25:00,616 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:00,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:00,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1984606347, now seen corresponding path program 1 times [2018-11-23 00:25:00,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:00,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:00,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:00,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:00,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:00,962 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 00:25:00,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:25:00,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:25:00,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:25:00,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:25:00,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:25:00,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:25:00,977 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 00:25:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:02,202 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 00:25:02,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:25:02,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-23 00:25:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:02,218 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 00:25:02,218 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 00:25:02,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:25:02,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 00:25:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 00:25:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 00:25:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1351 transitions. [2018-11-23 00:25:02,289 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1351 transitions. Word has length 68 [2018-11-23 00:25:02,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:02,290 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1351 transitions. [2018-11-23 00:25:02,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:25:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1351 transitions. [2018-11-23 00:25:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 00:25:02,296 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:02,296 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 00:25:02,297 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:02,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:02,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1599900728, now seen corresponding path program 1 times [2018-11-23 00:25:02,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:02,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:02,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:02,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:02,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:25:02,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:25:02,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:25:02,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:25:02,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:25:02,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:25:02,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:25:02,465 INFO L87 Difference]: Start difference. First operand 742 states and 1351 transitions. Second operand 6 states. [2018-11-23 00:25:04,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:04,867 INFO L93 Difference]: Finished difference Result 2177 states and 3990 transitions. [2018-11-23 00:25:04,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:25:04,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-11-23 00:25:04,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:04,873 INFO L225 Difference]: With dead ends: 2177 [2018-11-23 00:25:04,874 INFO L226 Difference]: Without dead ends: 1441 [2018-11-23 00:25:04,876 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 00:25:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2018-11-23 00:25:04,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1422. [2018-11-23 00:25:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2018-11-23 00:25:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 2264 transitions. [2018-11-23 00:25:04,913 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 2264 transitions. Word has length 160 [2018-11-23 00:25:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:04,914 INFO L480 AbstractCegarLoop]: Abstraction has 1422 states and 2264 transitions. [2018-11-23 00:25:04,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:25:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2264 transitions. [2018-11-23 00:25:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 00:25:04,919 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:04,920 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 00:25:04,920 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:04,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:04,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1250648855, now seen corresponding path program 1 times [2018-11-23 00:25:04,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:04,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:04,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:04,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:04,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 122 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:25:05,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:05,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:05,085 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-11-23 00:25:05,086 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:25:05,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:05,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:05,440 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:25:05,441 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 00:25:05,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:05,457 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:25:05,779 INFO L227 lantSequenceWeakener]: Weakened 261 states. On average, predicates are now at 78.15% of their original sizes. [2018-11-23 00:25:05,779 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:25:05,823 INFO L415 sIntCurrentIteration]: We unified 269 AI predicates to 269 [2018-11-23 00:25:05,823 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:25:05,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:25:05,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 00:25:05,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:25:05,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:25:05,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:25:05,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:25:05,826 INFO L87 Difference]: Start difference. First operand 1422 states and 2264 transitions. Second operand 6 states. [2018-11-23 00:25:43,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:43,427 INFO L93 Difference]: Finished difference Result 3176 states and 5080 transitions. [2018-11-23 00:25:43,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:25:43,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 270 [2018-11-23 00:25:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:43,433 INFO L225 Difference]: With dead ends: 3176 [2018-11-23 00:25:43,433 INFO L226 Difference]: Without dead ends: 1760 [2018-11-23 00:25:43,436 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 270 GetRequests, 265 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 00:25:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2018-11-23 00:25:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1759. [2018-11-23 00:25:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2018-11-23 00:25:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2608 transitions. [2018-11-23 00:25:43,468 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2608 transitions. Word has length 270 [2018-11-23 00:25:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:43,469 INFO L480 AbstractCegarLoop]: Abstraction has 1759 states and 2608 transitions. [2018-11-23 00:25:43,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:25:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2608 transitions. [2018-11-23 00:25:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-11-23 00:25:43,475 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:43,475 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 00:25:43,475 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:43,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:43,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1352472865, now seen corresponding path program 1 times [2018-11-23 00:25:43,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:43,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:43,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:43,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:43,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:43,702 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 188 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 00:25:43,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:43,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:43,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2018-11-23 00:25:43,703 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:25:43,706 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:43,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:43,936 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:25:43,936 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 4 different actions 7 times. Never widened. Performed 3349 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3349 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 00:25:43,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:43,939 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:25:43,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:43,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 00:25:43,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:43,949 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:25:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:44,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:25:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 393 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 00:25:44,134 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:25:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 276 proven. 92 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 00:25:44,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:25:44,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 00:25:44,277 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:25:44,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:25:44,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:25:44,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:25:44,278 INFO L87 Difference]: Start difference. First operand 1759 states and 2608 transitions. Second operand 9 states. [2018-11-23 00:25:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:46,018 INFO L93 Difference]: Finished difference Result 4226 states and 6734 transitions. [2018-11-23 00:25:46,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:25:46,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 361 [2018-11-23 00:25:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:46,027 INFO L225 Difference]: With dead ends: 4226 [2018-11-23 00:25:46,027 INFO L226 Difference]: Without dead ends: 2810 [2018-11-23 00:25:46,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 721 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-11-23 00:25:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2018-11-23 00:25:46,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2804. [2018-11-23 00:25:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2018-11-23 00:25:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4079 transitions. [2018-11-23 00:25:46,075 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4079 transitions. Word has length 361 [2018-11-23 00:25:46,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:46,075 INFO L480 AbstractCegarLoop]: Abstraction has 2804 states and 4079 transitions. [2018-11-23 00:25:46,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:25:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4079 transitions. [2018-11-23 00:25:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-11-23 00:25:46,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:46,082 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, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:25:46,083 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:46,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:46,083 INFO L82 PathProgramCache]: Analyzing trace with hash -901922713, now seen corresponding path program 1 times [2018-11-23 00:25:46,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:46,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:46,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:46,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:46,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 341 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-23 00:25:46,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:46,264 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:46,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 477 with the following transitions: [2018-11-23 00:25:46,264 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:25:46,267 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:46,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:46,413 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:25:46,413 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 4 different actions 7 times. Never widened. Performed 3543 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3543 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 00:25:46,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:46,421 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:25:46,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:46,421 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 00:25:46,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:46,519 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:25:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:46,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:25:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 593 proven. 2 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-23 00:25:46,777 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:25:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 341 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-23 00:25:47,018 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:25:47,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 00:25:47,019 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:25:47,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:25:47,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:25:47,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:25:47,020 INFO L87 Difference]: Start difference. First operand 2804 states and 4079 transitions. Second operand 9 states. [2018-11-23 00:25:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:25:52,451 INFO L93 Difference]: Finished difference Result 11092 states and 16797 transitions. [2018-11-23 00:25:52,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 00:25:52,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 476 [2018-11-23 00:25:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:25:52,484 INFO L225 Difference]: With dead ends: 11092 [2018-11-23 00:25:52,484 INFO L226 Difference]: Without dead ends: 7293 [2018-11-23 00:25:52,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1033 GetRequests, 985 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=515, Invalid=1837, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 00:25:52,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-11-23 00:25:52,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7000. [2018-11-23 00:25:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7000 states. [2018-11-23 00:25:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7000 states to 7000 states and 7935 transitions. [2018-11-23 00:25:52,684 INFO L78 Accepts]: Start accepts. Automaton has 7000 states and 7935 transitions. Word has length 476 [2018-11-23 00:25:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:25:52,684 INFO L480 AbstractCegarLoop]: Abstraction has 7000 states and 7935 transitions. [2018-11-23 00:25:52,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:25:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 7000 states and 7935 transitions. [2018-11-23 00:25:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2018-11-23 00:25:52,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:25:52,709 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, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:25:52,709 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:25:52,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:52,710 INFO L82 PathProgramCache]: Analyzing trace with hash 411696670, now seen corresponding path program 1 times [2018-11-23 00:25:52,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:25:52,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:52,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:25:52,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:25:52,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:25:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:25:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 356 proven. 345 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-11-23 00:25:53,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:25:53,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:25:53,489 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 748 with the following transitions: [2018-11-23 00:25:53,489 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:25:53,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:25:53,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:25:53,811 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:25:53,811 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 4 different actions 4 times. Never widened. Performed 5199 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 00:25:53,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:25:53,812 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:25:54,374 INFO L227 lantSequenceWeakener]: Weakened 744 states. On average, predicates are now at 77.62% of their original sizes. [2018-11-23 00:25:54,374 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:25:54,444 INFO L415 sIntCurrentIteration]: We unified 746 AI predicates to 746 [2018-11-23 00:25:54,444 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:25:54,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:25:54,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-23 00:25:54,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:25:54,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:25:54,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:25:54,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:25:54,446 INFO L87 Difference]: Start difference. First operand 7000 states and 7935 transitions. Second operand 10 states. [2018-11-23 00:27:23,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:27:23,743 INFO L93 Difference]: Finished difference Result 13998 states and 15912 transitions. [2018-11-23 00:27:23,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:27:23,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 747 [2018-11-23 00:27:23,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:27:23,762 INFO L225 Difference]: With dead ends: 13998 [2018-11-23 00:27:23,763 INFO L226 Difference]: Without dead ends: 7341 [2018-11-23 00:27:23,778 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 754 GetRequests, 738 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 00:27:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2018-11-23 00:27:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 7339. [2018-11-23 00:27:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7339 states. [2018-11-23 00:27:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7339 states to 7339 states and 8280 transitions. [2018-11-23 00:27:23,894 INFO L78 Accepts]: Start accepts. Automaton has 7339 states and 8280 transitions. Word has length 747 [2018-11-23 00:27:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:27:23,895 INFO L480 AbstractCegarLoop]: Abstraction has 7339 states and 8280 transitions. [2018-11-23 00:27:23,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:27:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7339 states and 8280 transitions. [2018-11-23 00:27:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2018-11-23 00:27:23,919 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:27:23,919 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:27:23,920 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:27:23,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:27:23,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1817929553, now seen corresponding path program 1 times [2018-11-23 00:27:23,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:27:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:27:23,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:27:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:27:23,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:27:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:27:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 323 proven. 807 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-11-23 00:27:24,393 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:27:24,393 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:27:24,394 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 856 with the following transitions: [2018-11-23 00:27:24,394 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:27:24,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:27:24,397 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:27:24,715 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:27:24,715 INFO L272 AbstractInterpreter]: Visited 258 different actions 768 times. Merged at 6 different actions 14 times. Never widened. Performed 9004 root evaluator evaluations with a maximum evaluation depth of 13. Performed 9004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 00:27:24,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:27:24,723 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:27:25,136 INFO L227 lantSequenceWeakener]: Weakened 852 states. On average, predicates are now at 80.36% of their original sizes. [2018-11-23 00:27:25,136 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:27:25,185 INFO L415 sIntCurrentIteration]: We unified 854 AI predicates to 854 [2018-11-23 00:27:25,185 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:27:25,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:27:25,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 00:27:25,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:27:25,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:27:25,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:27:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:27:25,187 INFO L87 Difference]: Start difference. First operand 7339 states and 8280 transitions. Second operand 9 states. [2018-11-23 00:28:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:02,524 INFO L93 Difference]: Finished difference Result 14969 states and 17046 transitions. [2018-11-23 00:28:02,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 00:28:02,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 855 [2018-11-23 00:28:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:02,550 INFO L225 Difference]: With dead ends: 14969 [2018-11-23 00:28:02,550 INFO L226 Difference]: Without dead ends: 8312 [2018-11-23 00:28:02,565 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 861 GetRequests, 847 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 00:28:02,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8312 states. [2018-11-23 00:28:02,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8312 to 8277. [2018-11-23 00:28:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8277 states. [2018-11-23 00:28:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8277 states to 8277 states and 9272 transitions. [2018-11-23 00:28:02,711 INFO L78 Accepts]: Start accepts. Automaton has 8277 states and 9272 transitions. Word has length 855 [2018-11-23 00:28:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:02,712 INFO L480 AbstractCegarLoop]: Abstraction has 8277 states and 9272 transitions. [2018-11-23 00:28:02,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:28:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 8277 states and 9272 transitions. [2018-11-23 00:28:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2018-11-23 00:28:02,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:02,733 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:02,733 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:02,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:02,734 INFO L82 PathProgramCache]: Analyzing trace with hash -622875225, now seen corresponding path program 1 times [2018-11-23 00:28:02,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:02,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:02,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:02,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:02,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 621 proven. 734 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2018-11-23 00:28:03,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:03,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:28:03,788 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 985 with the following transitions: [2018-11-23 00:28:03,789 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:28:03,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:28:03,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:28:04,386 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:28:04,386 INFO L272 AbstractInterpreter]: Visited 260 different actions 1299 times. Merged at 10 different actions 42 times. Widened at 1 different actions 1 times. Performed 15826 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 00:28:04,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:04,393 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:28:04,393 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:04,393 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 00:28:04,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:04,399 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:28:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:04,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:28:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 1565 proven. 2 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2018-11-23 00:28:04,870 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:28:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 724 proven. 223 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-11-23 00:28:05,220 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:28:05,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 00:28:05,220 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:28:05,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 00:28:05,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 00:28:05,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 00:28:05,221 INFO L87 Difference]: Start difference. First operand 8277 states and 9272 transitions. Second operand 15 states. [2018-11-23 00:28:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:10,063 INFO L93 Difference]: Finished difference Result 20515 states and 23735 transitions. [2018-11-23 00:28:10,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 00:28:10,064 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 984 [2018-11-23 00:28:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:10,104 INFO L225 Difference]: With dead ends: 20515 [2018-11-23 00:28:10,104 INFO L226 Difference]: Without dead ends: 12920 [2018-11-23 00:28:10,131 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2059 GetRequests, 2000 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 00:28:10,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12920 states. [2018-11-23 00:28:10,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12920 to 12283. [2018-11-23 00:28:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12283 states. [2018-11-23 00:28:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12283 states to 12283 states and 13772 transitions. [2018-11-23 00:28:10,339 INFO L78 Accepts]: Start accepts. Automaton has 12283 states and 13772 transitions. Word has length 984 [2018-11-23 00:28:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:10,339 INFO L480 AbstractCegarLoop]: Abstraction has 12283 states and 13772 transitions. [2018-11-23 00:28:10,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 00:28:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12283 states and 13772 transitions. [2018-11-23 00:28:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1311 [2018-11-23 00:28:10,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:10,364 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:10,364 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:10,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:10,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1819532953, now seen corresponding path program 1 times [2018-11-23 00:28:10,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:10,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:10,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:10,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:10,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 957 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-11-23 00:28:11,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:11,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:28:11,238 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1311 with the following transitions: [2018-11-23 00:28:11,238 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:28:11,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:28:11,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:28:11,780 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:28:11,781 INFO L272 AbstractInterpreter]: Visited 254 different actions 1021 times. Merged at 11 different actions 37 times. Never widened. Performed 11974 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11974 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 00:28:11,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:11,785 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:28:11,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:11,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/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 00:28:11,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:11,791 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:28:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:11,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:28:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 2572 proven. 2 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2018-11-23 00:28:12,438 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:28:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 957 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-11-23 00:28:12,991 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:28:12,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 00:28:12,991 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:28:12,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:28:12,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:28:12,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:28:12,992 INFO L87 Difference]: Start difference. First operand 12283 states and 13772 transitions. Second operand 9 states. [2018-11-23 00:28:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:14,831 INFO L93 Difference]: Finished difference Result 25874 states and 29393 transitions. [2018-11-23 00:28:14,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:28:14,832 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1310 [2018-11-23 00:28:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:14,868 INFO L225 Difference]: With dead ends: 25874 [2018-11-23 00:28:14,868 INFO L226 Difference]: Without dead ends: 14317 [2018-11-23 00:28:14,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2637 GetRequests, 2621 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:28:14,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14317 states. [2018-11-23 00:28:15,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14317 to 13989. [2018-11-23 00:28:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13989 states. [2018-11-23 00:28:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13989 states to 13989 states and 15497 transitions. [2018-11-23 00:28:15,126 INFO L78 Accepts]: Start accepts. Automaton has 13989 states and 15497 transitions. Word has length 1310 [2018-11-23 00:28:15,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:15,127 INFO L480 AbstractCegarLoop]: Abstraction has 13989 states and 15497 transitions. [2018-11-23 00:28:15,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:28:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 13989 states and 15497 transitions. [2018-11-23 00:28:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2018-11-23 00:28:15,152 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:15,153 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:15,153 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:15,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:15,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1021384982, now seen corresponding path program 1 times [2018-11-23 00:28:15,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:15,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:15,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:15,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:15,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 1136 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-11-23 00:28:16,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:16,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:28:16,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1312 with the following transitions: [2018-11-23 00:28:16,210 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:28:16,212 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:28:16,213 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:28:16,761 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:28:16,761 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 11981 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 00:28:16,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:16,763 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:28:16,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:16,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:28:16,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:16,769 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:28:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:16,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:28:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 2478 proven. 2 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2018-11-23 00:28:17,462 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:28:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 1136 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-11-23 00:28:18,010 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:28:18,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 00:28:18,010 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:28:18,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:28:18,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:28:18,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:28:18,011 INFO L87 Difference]: Start difference. First operand 13989 states and 15497 transitions. Second operand 9 states. [2018-11-23 00:28:20,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:20,264 INFO L93 Difference]: Finished difference Result 29421 states and 33570 transitions. [2018-11-23 00:28:20,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 00:28:20,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1311 [2018-11-23 00:28:20,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:20,304 INFO L225 Difference]: With dead ends: 29421 [2018-11-23 00:28:20,304 INFO L226 Difference]: Without dead ends: 16158 [2018-11-23 00:28:20,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2650 GetRequests, 2628 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 00:28:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16158 states. [2018-11-23 00:28:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16158 to 16004. [2018-11-23 00:28:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16004 states. [2018-11-23 00:28:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16004 states to 16004 states and 17509 transitions. [2018-11-23 00:28:20,562 INFO L78 Accepts]: Start accepts. Automaton has 16004 states and 17509 transitions. Word has length 1311 [2018-11-23 00:28:20,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:20,563 INFO L480 AbstractCegarLoop]: Abstraction has 16004 states and 17509 transitions. [2018-11-23 00:28:20,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:28:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 16004 states and 17509 transitions. [2018-11-23 00:28:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2018-11-23 00:28:20,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:20,586 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 00:28:20,587 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:20,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:20,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2100071364, now seen corresponding path program 1 times [2018-11-23 00:28:20,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:20,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:20,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:20,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:20,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3929 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 00:28:21,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:28:21,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:28:21,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:28:21,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:28:21,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:28:21,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:28:21,264 INFO L87 Difference]: Start difference. First operand 16004 states and 17509 transitions. Second operand 4 states. [2018-11-23 00:28:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:22,153 INFO L93 Difference]: Finished difference Result 30971 states and 33959 transitions. [2018-11-23 00:28:22,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:28:22,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1339 [2018-11-23 00:28:22,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:22,182 INFO L225 Difference]: With dead ends: 30971 [2018-11-23 00:28:22,182 INFO L226 Difference]: Without dead ends: 15354 [2018-11-23 00:28:22,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:28:22,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15354 states. [2018-11-23 00:28:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15354 to 15350. [2018-11-23 00:28:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15350 states. [2018-11-23 00:28:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15350 states to 15350 states and 16414 transitions. [2018-11-23 00:28:22,386 INFO L78 Accepts]: Start accepts. Automaton has 15350 states and 16414 transitions. Word has length 1339 [2018-11-23 00:28:22,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:22,387 INFO L480 AbstractCegarLoop]: Abstraction has 15350 states and 16414 transitions. [2018-11-23 00:28:22,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:28:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 15350 states and 16414 transitions. [2018-11-23 00:28:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2018-11-23 00:28:22,417 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:22,417 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:22,418 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:22,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:22,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2142453100, now seen corresponding path program 1 times [2018-11-23 00:28:22,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:22,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:22,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:22,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:22,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 3070 proven. 582 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2018-11-23 00:28:24,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:24,401 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:28:24,401 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1676 with the following transitions: [2018-11-23 00:28:24,401 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:28:24,405 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:28:24,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:28:25,086 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:28:25,086 INFO L272 AbstractInterpreter]: Visited 352 different actions 1407 times. Merged at 12 different actions 40 times. Never widened. Performed 17327 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 00:28:25,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:25,101 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:28:25,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:25,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:28:25,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:25,108 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:28:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:25,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:28:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-11-23 00:28:25,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:28:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-11-23 00:28:26,728 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:28:26,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 00:28:26,729 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:28:26,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:28:26,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:28:26,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:28:26,730 INFO L87 Difference]: Start difference. First operand 15350 states and 16414 transitions. Second operand 3 states. [2018-11-23 00:28:27,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:27,315 INFO L93 Difference]: Finished difference Result 29323 states and 31412 transitions. [2018-11-23 00:28:27,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:28:27,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1675 [2018-11-23 00:28:27,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:27,345 INFO L225 Difference]: With dead ends: 29323 [2018-11-23 00:28:27,345 INFO L226 Difference]: Without dead ends: 14699 [2018-11-23 00:28:27,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3365 GetRequests, 3356 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:28:27,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14699 states. [2018-11-23 00:28:27,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14699 to 14513. [2018-11-23 00:28:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14513 states. [2018-11-23 00:28:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14513 states to 14513 states and 15306 transitions. [2018-11-23 00:28:27,565 INFO L78 Accepts]: Start accepts. Automaton has 14513 states and 15306 transitions. Word has length 1675 [2018-11-23 00:28:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:27,566 INFO L480 AbstractCegarLoop]: Abstraction has 14513 states and 15306 transitions. [2018-11-23 00:28:27,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:28:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14513 states and 15306 transitions. [2018-11-23 00:28:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1849 [2018-11-23 00:28:27,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:27,588 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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] [2018-11-23 00:28:27,588 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:27,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:27,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1191934906, now seen corresponding path program 1 times [2018-11-23 00:28:27,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:27,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:27,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:27,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:27,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 3484 proven. 1613 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2018-11-23 00:28:31,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:31,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:28:31,252 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1849 with the following transitions: [2018-11-23 00:28:31,252 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1404], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 00:28:31,254 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:28:31,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:28:31,825 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:28:31,825 INFO L272 AbstractInterpreter]: Visited 270 different actions 1084 times. Merged at 13 different actions 36 times. Never widened. Performed 12853 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12853 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 00:28:31,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:31,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:28:31,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:28:31,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:28:31,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:31,846 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:28:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:32,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:28:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 5297 proven. 6 refuted. 0 times theorem prover too weak. 2231 trivial. 0 not checked. [2018-11-23 00:28:33,122 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:28:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 1908 proven. 1030 refuted. 0 times theorem prover too weak. 4596 trivial. 0 not checked. [2018-11-23 00:28:34,970 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:28:34,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 29 [2018-11-23 00:28:34,971 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:28:34,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 00:28:34,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 00:28:34,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-11-23 00:28:34,973 INFO L87 Difference]: Start difference. First operand 14513 states and 15306 transitions. Second operand 24 states. [2018-11-23 00:28:49,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:49,604 INFO L93 Difference]: Finished difference Result 31861 states and 33899 transitions. [2018-11-23 00:28:49,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-11-23 00:28:49,605 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1848 [2018-11-23 00:28:49,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:49,633 INFO L225 Difference]: With dead ends: 31861 [2018-11-23 00:28:49,633 INFO L226 Difference]: Without dead ends: 18074 [2018-11-23 00:28:49,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3908 GetRequests, 3775 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5862 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2632, Invalid=14660, Unknown=0, NotChecked=0, Total=17292 [2018-11-23 00:28:49,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18074 states. [2018-11-23 00:28:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18074 to 17383. [2018-11-23 00:28:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17383 states. [2018-11-23 00:28:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17383 states to 17383 states and 18232 transitions. [2018-11-23 00:28:49,921 INFO L78 Accepts]: Start accepts. Automaton has 17383 states and 18232 transitions. Word has length 1848 [2018-11-23 00:28:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:49,922 INFO L480 AbstractCegarLoop]: Abstraction has 17383 states and 18232 transitions. [2018-11-23 00:28:49,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 00:28:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17383 states and 18232 transitions. [2018-11-23 00:28:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1888 [2018-11-23 00:28:49,941 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:49,942 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 00:28:49,942 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:49,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 244920233, now seen corresponding path program 1 times [2018-11-23 00:28:49,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:28:49,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:49,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:49,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:49,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:28:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:28:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 6602 trivial. 0 not checked. [2018-11-23 00:28:51,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:28:51,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:28:51,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:28:51,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:28:51,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:28:51,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:28:51,076 INFO L87 Difference]: Start difference. First operand 17383 states and 18232 transitions. Second operand 4 states. [2018-11-23 00:28:52,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:28:52,043 INFO L93 Difference]: Finished difference Result 49322 states and 52350 transitions. [2018-11-23 00:28:52,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:28:52,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1887 [2018-11-23 00:28:52,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:28:52,045 INFO L225 Difference]: With dead ends: 49322 [2018-11-23 00:28:52,046 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:28:52,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:28:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:28:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:28:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:28:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:28:52,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1887 [2018-11-23 00:28:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:28:52,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:28:52,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:28:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:28:52,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:28:52,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:28:52,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,835 WARN L180 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 422 [2018-11-23 00:28:52,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:52,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:53,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:54,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:54,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:28:54,250 WARN L180 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 448 [2018-11-23 00:28:55,911 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 427 DAG size of output: 66 [2018-11-23 00:28:56,581 WARN L180 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 79 [2018-11-23 00:28:57,395 WARN L180 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 80 [2018-11-23 00:28:59,051 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 370 DAG size of output: 105 [2018-11-23 00:29:00,773 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 453 DAG size of output: 66 [2018-11-23 00:29:00,775 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:29:00,775 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 00:29:00,775 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:29:00,775 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,775 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 00:29:00,775 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,776 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,777 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse13 (<= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0))) (let ((.cse5 (and (= |old(~a16~0)| ~a16~0) .cse13 .cse14 .cse15)) (.cse4 (= 10 |old(~a16~0)|)) (.cse7 (< 112 |old(~a18~0)|)) (.cse9 (not (= 3 |old(~a15~0)|))) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse12 (= (+ ~a18~0 87) 0)) (.cse11 (not (= 11 |old(~a16~0)|))) (.cse3 (< 3 |old(~a15~0)|)) (.cse1 (not (= 6 |old(~a12~0)|))) (.cse6 (= 9 |old(~a16~0)|)) (.cse8 (< 5 |old(~a12~0)|)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse2 (and .cse13 .cse14 (= ~a16~0 |old(~a16~0)|) .cse15))) (and (or .cse0 .cse1 (< 134 |old(~a18~0)|) .cse2) (or (< |old(~a12~0)| 7) .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse1) (or .cse5 (or .cse3 (not (= 8 |old(~a12~0)|)))) (or .cse2 .cse7 (or .cse3 .cse8)) (or .cse9 (not (= 5 |old(~a12~0)|)) .cse10 .cse11 .cse12) (or (or .cse3 .cse8 .cse4) .cse5) (or .cse2 .cse0 .cse4 .cse7) (or (or .cse9 .cse10) .cse12 .cse1 .cse11) (or .cse0 .cse2 (not (= 7 |old(~a12~0)|)) (not .cse6)) (or .cse2 .cse3 .cse6 .cse1) (or .cse0 .cse6 .cse2 .cse8) (or .cse0 (not (= 8 |old(~a16~0)|)) .cse2)))) [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,778 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,779 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse14 (<= ~a18~0 |old(~a18~0)|)) (.cse23 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse24 (<= ~a12~0 |old(~a12~0)|)) (.cse25 (= 8 ~a16~0)) (.cse13 (= |old(~a16~0)| ~a16~0)) (.cse26 (<= ~a15~0 3)) (.cse15 (= |old(~a15~0)| ~a15~0))) (let ((.cse4 (not (= (+ |old(~a18~0)| 87) 0))) (.cse0 (= (+ ~a18~0 87) 0)) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse3 (not (= 11 |old(~a16~0)|))) (.cse1 (= |calculate_output_#in~input| 0)) (.cse10 (not (= calculate_output_~input 0))) (.cse20 (< 134 |old(~a18~0)|)) (.cse7 (= 9 |old(~a16~0)|)) (.cse5 (not (= 6 |old(~a12~0)|))) (.cse19 (< |old(~a12~0)| 7)) (.cse21 (and .cse24 .cse25 .cse13 .cse26 .cse15)) (.cse22 (not (= 7 |old(~a12~0)|))) (.cse12 (< 3 |old(~a15~0)|)) (.cse8 (< 5 |old(~a12~0)|)) (.cse18 (and .cse24 .cse25 .cse13 (<= ~a12~0 5) .cse26 .cse15)) (.cse6 (not (= 4 |old(~a15~0)|))) (.cse9 (and .cse14 .cse15 .cse23 .cse16)) (.cse17 (= 10 |old(~a16~0)|)) (.cse11 (< 112 |old(~a18~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse2 .cse10 .cse3 .cse1 (= 0 |old(~a12~0)|) .cse11) (or .cse2 (not (= 5 |old(~a12~0)|)) .cse3 .cse1 .cse4 .cse0) (or .cse6 .cse7 .cse9 .cse5) (or .cse12 .cse8 (and .cse13 .cse14 .cse15 .cse16) .cse17 .cse18) (or .cse19 .cse2 .cse3 .cse1 .cse20 .cse10) (or .cse6 .cse5 .cse9 .cse20) (or .cse12 .cse21 (and (and .cse13 .cse15 .cse16) .cse14) (not (= 8 |old(~a12~0)|))) (or .cse6 .cse9 .cse22 (not .cse7)) (or .cse12 .cse7 .cse21 .cse5 .cse9) (or .cse6 (not (= 8 |old(~a16~0)|)) .cse9) (or .cse19 .cse12 .cse21 .cse17 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse22 (not (= ~a15~0 3)) (< 0 (+ ~a18~0 79))) .cse14 .cse15 .cse23 .cse16)) (or .cse12 .cse8 (and .cse23 .cse14 .cse15 .cse16) .cse11 .cse18) (or .cse6 .cse9 .cse17 .cse11)))) [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,780 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,781 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,782 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 00:29:00,783 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,784 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse14 (<= ~a18~0 |old(~a18~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse9 (= |calculate_output_#in~input| 0)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse11 (= (+ ~a18~0 87) 0)) (.cse3 (< 3 |old(~a15~0)|)) (.cse6 (and (= |old(~a16~0)| ~a16~0) .cse14 .cse15 .cse16)) (.cse1 (not (= 6 |old(~a12~0)|))) (.cse5 (= 10 |old(~a16~0)|)) (.cse12 (< 112 |old(~a18~0)|)) (.cse13 (= 9 |old(~a16~0)|)) (.cse4 (< 5 |old(~a12~0)|)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse2 (and .cse14 .cse15 (= ~a16~0 |old(~a16~0)|) .cse16))) (and (or .cse0 .cse1 (< 134 |old(~a18~0)|) .cse2) (or .cse3 .cse4 .cse5 .cse6) (or (< |old(~a12~0)| 7) .cse3 .cse5 .cse6) (or .cse7 (not (= 5 |old(~a12~0)|)) .cse8 .cse9 .cse10 .cse11) (or .cse2 .cse3 .cse4 .cse12) (or .cse0 .cse13 .cse2 .cse1) (or .cse9 (or .cse7 .cse8) .cse10 .cse11 .cse1) (or .cse3 (not (= 8 |old(~a12~0)|)) .cse6) (or .cse3 .cse13 .cse6 .cse1) (or .cse2 .cse0 .cse5 .cse12) (or .cse0 .cse2 (not (= 7 |old(~a12~0)|)) (not .cse13)) (or .cse0 .cse13 .cse2 .cse4) (or .cse0 (not (= 8 |old(~a16~0)|)) .cse2)))) [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 00:29:00,785 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,786 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,787 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,788 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,789 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 00:29:00,790 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 00:29:00,791 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,792 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 00:29:00,793 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 00:29:00,794 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,795 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 00:29:00,796 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:29:00,797 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 00:29:00,797 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:29:00,797 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 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10))) (.cse7 (<= ~a18~0 112)) (.cse1 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse6 (not (= ~a16~0 9))) (.cse8 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (= 9 ~a16~0)) (.cse5 (= 6 ~a12~0)) (.cse3 (= 4 ~a15~0))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 (= 7 ~a12~0) .cse4) (and (<= 7 ~a12~0) .cse0 .cse2) (and .cse5 (and .cse6 .cse2)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3 .cse7 .cse8) (and .cse3 (and .cse6 .cse8 .cse1)) (and .cse7 (and .cse1 .cse2)) (and (= 8 ~a12~0) .cse2) (and .cse5 .cse3 (and .cse6 .cse8)) (and .cse4 .cse5 .cse3 (<= ~a18~0 134)) (and (= 8 ~a16~0) .cse3))) [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 00:29:00,797 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10))) (.cse7 (<= ~a18~0 112)) (.cse1 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse6 (not (= ~a16~0 9))) (.cse8 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (= 9 ~a16~0)) (.cse5 (= 6 ~a12~0)) (.cse3 (= 4 ~a15~0))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 (= 7 ~a12~0) .cse4) (and (<= 7 ~a12~0) .cse0 .cse2) (and .cse5 (and .cse6 .cse2)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3 .cse7 .cse8) (and .cse3 (and .cse6 .cse8 .cse1)) (and .cse7 (and .cse1 .cse2)) (and (= 8 ~a12~0) .cse2) (and .cse5 .cse3 (and .cse6 .cse8)) (and .cse4 .cse5 .cse3 (<= ~a18~0 134)) (and (= 8 ~a16~0) .cse3))) [2018-11-23 00:29:00,797 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 00:29:00,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:29:00 BoogieIcfgContainer [2018-11-23 00:29:00,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:29:00,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:29:00,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:29:00,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:29:00,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:00" (3/4) ... [2018-11-23 00:29:00,812 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:29:00,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:29:00,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 00:29:00,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:29:00,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:29:00,838 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 00:29:00,840 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:29:00,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && 7 == a12) && 9 == a16)) || ((7 <= a12 && !(a16 == 10)) && a15 <= 3)) || (6 == a12 && !(a16 == 9) && a15 <= 3)) || !(5 == \old(a12))) || (((!(a16 == 10) && 4 == a15) && a18 <= 112) && (\old(a16) == 12 || !(12 == a16)))) || (4 == a15 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || (a18 <= 112 && a12 <= 5 && a15 <= 3)) || (8 == a12 && a15 <= 3)) || ((6 == a12 && 4 == a15) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((9 == a16 && 6 == a12) && 4 == a15) && a18 <= 134)) || (8 == a16 && 4 == a15) [2018-11-23 00:29:01,016 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4cecf9d-8cf8-448f-ab0c-8416ec810b75/bin-2019/utaipan/witness.graphml [2018-11-23 00:29:01,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:29:01,017 INFO L168 Benchmark]: Toolchain (without parser) took 243551.95 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 954.3 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,017 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:29:01,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.14 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 879.0 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 879.0 MB in the beginning and 1.1 GB in the end (delta: -266.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,018 INFO L168 Benchmark]: Boogie Preprocessor took 72.07 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,018 INFO L168 Benchmark]: RCFGBuilder took 2270.53 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: 863.5 kB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,018 INFO L168 Benchmark]: TraceAbstraction took 240293.76 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,018 INFO L168 Benchmark]: Witness Printer took 208.14 ms. Allocated memory is still 5.0 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:01,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 607.14 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 879.0 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 879.0 MB in the beginning and 1.1 GB in the end (delta: -266.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.07 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2270.53 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: 863.5 kB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 240293.76 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 208.14 ms. Allocated memory is still 5.0 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && 7 == a12) && 9 == a16)) || ((7 <= a12 && !(a16 == 10)) && a15 <= 3)) || (6 == a12 && !(a16 == 9) && a15 <= 3)) || !(5 == \old(a12))) || (((!(a16 == 10) && 4 == a15) && a18 <= 112) && (\old(a16) == 12 || !(12 == a16)))) || (4 == a15 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || (a18 <= 112 && a12 <= 5 && a15 <= 3)) || (8 == a12 && a15 <= 3)) || ((6 == a12 && 4 == a15) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((9 == a16 && 6 == a12) && 4 == a15) && a18 <= 134)) || (8 == a16 && 4 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 240.2s OverallTime, 14 OverallIterations, 12 TraceHistogramMax, 201.6s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2722 SDtfs, 34957 SDslu, 3713 SDs, 0 SdLazy, 72705 SolverSat, 8276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 179.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 18302 GetRequests, 17947 SyntacticMatches, 21 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7773 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17383occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.9981261938474226 AbsIntWeakeningRatio, 0.05778491171749599 AbsIntAvgWeakeningVarsNumRemoved, 16.263242375601926 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2356 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1670 PreInvPairs, 3995 NumberOfFragments, 1520 HoareAnnotationTreeSize, 1670 FomulaSimplifications, 79532 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 92589 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 21256 NumberOfCodeBlocks, 21256 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 29193 ConstructedInterpolants, 0 QuantifiedInterpolants, 98592414 SizeOfPredicates, 5 NumberOfNonLiveVariables, 10650 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 78095/85394 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...