./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/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 5985a693844a745b17f53ac09178823316d8edff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:03:15,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:03:15,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:03:15,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:03:15,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:03:15,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:03:15,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:03:15,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:03:15,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:03:15,583 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:03:15,584 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:03:15,584 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:03:15,584 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:03:15,585 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:03:15,586 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:03:15,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:03:15,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:03:15,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:03:15,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:03:15,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:03:15,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:03:15,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:03:15,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:03:15,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:03:15,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:03:15,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:03:15,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:03:15,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:03:15,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:03:15,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:03:15,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:03:15,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:03:15,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:03:15,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:03:15,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:03:15,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:03:15,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:03:15,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:03:15,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:03:15,609 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:03:15,609 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:03:15,609 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:03:15,609 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:03:15,609 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:03:15,609 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:03:15,610 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:03:15,610 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:03:15,610 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:03:15,610 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:03:15,610 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:03:15,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:03:15,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:03:15,611 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:03:15,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:03:15,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:03:15,611 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:03:15,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:03:15,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:03:15,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:03:15,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:03:15,614 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:03:15,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:03:15,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:03:15,614 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:03:15,614 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_1619e6cf-7ae2-4605-af3b-d871a319cd76/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 -> 5985a693844a745b17f53ac09178823316d8edff [2018-11-18 12:03:15,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:03:15,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:03:15,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:03:15,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:03:15,650 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:03:15,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-11-18 12:03:15,683 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/data/3e5e069fb/a924520109d74ef9a09670dbc3f84907/FLAGfa65d2f50 [2018-11-18 12:03:16,156 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:03:16,157 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-11-18 12:03:16,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/data/3e5e069fb/a924520109d74ef9a09670dbc3f84907/FLAGfa65d2f50 [2018-11-18 12:03:16,667 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/data/3e5e069fb/a924520109d74ef9a09670dbc3f84907 [2018-11-18 12:03:16,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:03:16,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:03:16,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:03:16,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:03:16,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:03:16,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:03:16" (1/1) ... [2018-11-18 12:03:16,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:16, skipping insertion in model container [2018-11-18 12:03:16,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:03:16" (1/1) ... [2018-11-18 12:03:16,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:03:16,730 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:03:17,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:03:17,137 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:03:17,281 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:03:17,290 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:03:17,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17 WrapperNode [2018-11-18 12:03:17,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:03:17,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:03:17,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:03:17,291 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:03:17,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:03:17,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:03:17,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:03:17,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:03:17,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... [2018-11-18 12:03:17,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:03:17,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:03:17,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:03:17,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:03:17,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:03:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:03:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:03:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:03:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 12:03:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 12:03:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:03:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:03:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:03:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:03:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:03:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:03:18,884 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:03:18,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:03:18 BoogieIcfgContainer [2018-11-18 12:03:18,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:03:18,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:03:18,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:03:18,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:03:18,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:03:16" (1/3) ... [2018-11-18 12:03:18,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:03:18, skipping insertion in model container [2018-11-18 12:03:18,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:03:17" (2/3) ... [2018-11-18 12:03:18,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:03:18, skipping insertion in model container [2018-11-18 12:03:18,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:03:18" (3/3) ... [2018-11-18 12:03:18,890 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-11-18 12:03:18,897 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:03:18,902 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:03:18,912 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:03:18,934 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:03:18,934 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:03:18,934 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:03:18,935 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:03:18,935 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:03:18,935 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:03:18,935 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:03:18,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:03:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 12:03:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:03:18,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:18,959 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:18,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:18,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:18,964 INFO L82 PathProgramCache]: Analyzing trace with hash 657368747, now seen corresponding path program 1 times [2018-11-18 12:03:18,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:18,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:18,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:18,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:18,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:19,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:19,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:03:19,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:19,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:03:19,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:03:19,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:03:19,168 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 12:03:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:20,319 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 12:03:20,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:03:20,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-11-18 12:03:20,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:20,336 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 12:03:20,337 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 12:03:20,342 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:03:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 12:03:20,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 12:03:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 12:03:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1317 transitions. [2018-11-18 12:03:20,407 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1317 transitions. Word has length 49 [2018-11-18 12:03:20,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:20,407 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1317 transitions. [2018-11-18 12:03:20,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:03:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1317 transitions. [2018-11-18 12:03:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 12:03:20,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:20,412 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:20,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:20,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash 591590536, now seen corresponding path program 1 times [2018-11-18 12:03:20,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:20,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:20,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:20,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:20,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:20,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:20,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:03:20,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:20,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:03:20,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:03:20,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:03:20,556 INFO L87 Difference]: Start difference. First operand 744 states and 1317 transitions. Second operand 6 states. [2018-11-18 12:03:23,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:23,583 INFO L93 Difference]: Finished difference Result 2960 states and 5501 transitions. [2018-11-18 12:03:23,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:03:23,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-18 12:03:23,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:23,600 INFO L225 Difference]: With dead ends: 2960 [2018-11-18 12:03:23,600 INFO L226 Difference]: Without dead ends: 2222 [2018-11-18 12:03:23,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:03:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2018-11-18 12:03:23,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2174. [2018-11-18 12:03:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2018-11-18 12:03:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3683 transitions. [2018-11-18 12:03:23,677 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3683 transitions. Word has length 125 [2018-11-18 12:03:23,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:23,678 INFO L480 AbstractCegarLoop]: Abstraction has 2174 states and 3683 transitions. [2018-11-18 12:03:23,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:03:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3683 transitions. [2018-11-18 12:03:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 12:03:23,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:23,681 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:23,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:23,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:23,681 INFO L82 PathProgramCache]: Analyzing trace with hash 975106256, now seen corresponding path program 1 times [2018-11-18 12:03:23,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:23,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:23,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:23,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:23,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:23,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:23,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:03:23,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:23,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:03:23,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:03:23,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:03:23,793 INFO L87 Difference]: Start difference. First operand 2174 states and 3683 transitions. Second operand 6 states. [2018-11-18 12:03:25,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:25,699 INFO L93 Difference]: Finished difference Result 8056 states and 14415 transitions. [2018-11-18 12:03:25,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:03:25,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-18 12:03:25,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:25,728 INFO L225 Difference]: With dead ends: 8056 [2018-11-18 12:03:25,728 INFO L226 Difference]: Without dead ends: 5888 [2018-11-18 12:03:25,751 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:03:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2018-11-18 12:03:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 5825. [2018-11-18 12:03:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5825 states. [2018-11-18 12:03:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5825 states to 5825 states and 8990 transitions. [2018-11-18 12:03:25,882 INFO L78 Accepts]: Start accepts. Automaton has 5825 states and 8990 transitions. Word has length 129 [2018-11-18 12:03:25,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:25,883 INFO L480 AbstractCegarLoop]: Abstraction has 5825 states and 8990 transitions. [2018-11-18 12:03:25,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:03:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5825 states and 8990 transitions. [2018-11-18 12:03:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:03:25,885 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:25,885 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:25,886 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:25,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:25,886 INFO L82 PathProgramCache]: Analyzing trace with hash -834708748, now seen corresponding path program 1 times [2018-11-18 12:03:25,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:25,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:25,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:25,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:25,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:03:25,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:25,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:03:25,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:03:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:03:25,981 INFO L87 Difference]: Start difference. First operand 5825 states and 8990 transitions. Second operand 6 states. [2018-11-18 12:03:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:27,690 INFO L93 Difference]: Finished difference Result 13811 states and 22555 transitions. [2018-11-18 12:03:27,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:03:27,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-18 12:03:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:27,721 INFO L225 Difference]: With dead ends: 13811 [2018-11-18 12:03:27,722 INFO L226 Difference]: Without dead ends: 7992 [2018-11-18 12:03:27,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:03:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7992 states. [2018-11-18 12:03:27,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7992 to 7914. [2018-11-18 12:03:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7914 states. [2018-11-18 12:03:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7914 states to 7914 states and 11631 transitions. [2018-11-18 12:03:27,958 INFO L78 Accepts]: Start accepts. Automaton has 7914 states and 11631 transitions. Word has length 131 [2018-11-18 12:03:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:27,959 INFO L480 AbstractCegarLoop]: Abstraction has 7914 states and 11631 transitions. [2018-11-18 12:03:27,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:03:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7914 states and 11631 transitions. [2018-11-18 12:03:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 12:03:27,961 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:27,961 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:27,961 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:27,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:27,962 INFO L82 PathProgramCache]: Analyzing trace with hash 845250593, now seen corresponding path program 1 times [2018-11-18 12:03:27,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:27,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:27,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:27,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:27,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:28,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:28,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:03:28,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:28,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:03:28,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:03:28,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:03:28,059 INFO L87 Difference]: Start difference. First operand 7914 states and 11631 transitions. Second operand 6 states. [2018-11-18 12:03:29,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:29,359 INFO L93 Difference]: Finished difference Result 19303 states and 30706 transitions. [2018-11-18 12:03:29,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:03:29,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-18 12:03:29,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:29,391 INFO L225 Difference]: With dead ends: 19303 [2018-11-18 12:03:29,392 INFO L226 Difference]: Without dead ends: 11395 [2018-11-18 12:03:29,407 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:03:29,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11395 states. [2018-11-18 12:03:29,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11395 to 11330. [2018-11-18 12:03:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11330 states. [2018-11-18 12:03:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11330 states to 11330 states and 16228 transitions. [2018-11-18 12:03:29,623 INFO L78 Accepts]: Start accepts. Automaton has 11330 states and 16228 transitions. Word has length 134 [2018-11-18 12:03:29,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:29,623 INFO L480 AbstractCegarLoop]: Abstraction has 11330 states and 16228 transitions. [2018-11-18 12:03:29,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:03:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 11330 states and 16228 transitions. [2018-11-18 12:03:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 12:03:29,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:29,626 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:29,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:29,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:29,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1926747012, now seen corresponding path program 1 times [2018-11-18 12:03:29,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:29,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:29,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:29,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:29,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:03:29,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:03:29,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:03:29,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:29,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:03:29,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:03:29,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:03:29,702 INFO L87 Difference]: Start difference. First operand 11330 states and 16228 transitions. Second operand 6 states. [2018-11-18 12:03:30,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:03:30,946 INFO L93 Difference]: Finished difference Result 24439 states and 35718 transitions. [2018-11-18 12:03:30,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:03:30,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-18 12:03:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:03:30,987 INFO L225 Difference]: With dead ends: 24439 [2018-11-18 12:03:30,987 INFO L226 Difference]: Without dead ends: 13115 [2018-11-18 12:03:31,013 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:03:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13115 states. [2018-11-18 12:03:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13115 to 13089. [2018-11-18 12:03:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13089 states. [2018-11-18 12:03:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13089 states to 13089 states and 17349 transitions. [2018-11-18 12:03:31,326 INFO L78 Accepts]: Start accepts. Automaton has 13089 states and 17349 transitions. Word has length 139 [2018-11-18 12:03:31,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:03:31,326 INFO L480 AbstractCegarLoop]: Abstraction has 13089 states and 17349 transitions. [2018-11-18 12:03:31,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:03:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 13089 states and 17349 transitions. [2018-11-18 12:03:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 12:03:31,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:03:31,328 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:03:31,328 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:03:31,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:31,328 INFO L82 PathProgramCache]: Analyzing trace with hash 520725928, now seen corresponding path program 1 times [2018-11-18 12:03:31,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:03:31,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:31,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:03:31,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:03:31,329 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:03:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:03:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:03:31,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:03:31,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:03:31,409 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-11-18 12:03:31,410 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:03:31,443 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:03:31,444 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:03:31,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:03:31,911 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 5 different actions 9 times. Never widened. Performed 2536 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2536 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:03:31,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:03:31,928 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:03:32,153 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81% of their original sizes. [2018-11-18 12:03:32,153 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:03:32,222 INFO L415 sIntCurrentIteration]: We unified 140 AI predicates to 140 [2018-11-18 12:03:32,222 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:03:32,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:03:32,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-18 12:03:32,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:03:32,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:03:32,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:03:32,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:03:32,224 INFO L87 Difference]: Start difference. First operand 13089 states and 17349 transitions. Second operand 10 states. [2018-11-18 12:05:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:19,921 INFO L93 Difference]: Finished difference Result 33262 states and 44129 transitions. [2018-11-18 12:05:19,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:05:19,922 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2018-11-18 12:05:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:19,978 INFO L225 Difference]: With dead ends: 33262 [2018-11-18 12:05:19,978 INFO L226 Difference]: Without dead ends: 20149 [2018-11-18 12:05:20,041 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:05:20,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20149 states. [2018-11-18 12:05:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20149 to 20060. [2018-11-18 12:05:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20060 states. [2018-11-18 12:05:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20060 states to 20060 states and 24764 transitions. [2018-11-18 12:05:20,329 INFO L78 Accepts]: Start accepts. Automaton has 20060 states and 24764 transitions. Word has length 141 [2018-11-18 12:05:20,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:20,329 INFO L480 AbstractCegarLoop]: Abstraction has 20060 states and 24764 transitions. [2018-11-18 12:05:20,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:05:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 20060 states and 24764 transitions. [2018-11-18 12:05:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2018-11-18 12:05:20,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:20,452 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:05:20,452 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:20,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1462797274, now seen corresponding path program 1 times [2018-11-18 12:05:20,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:05:20,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:05:20,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:05:20,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:05:20,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:05:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:05:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 12:05:20,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:05:20,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:05:20,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 536 with the following transitions: [2018-11-18 12:05:20,814 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:05:20,819 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:05:20,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:05:21,406 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:05:21,406 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 11638 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11638 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:05:21,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:21,425 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:05:21,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:05:21,425 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:05:21,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:05:21,436 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:05:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:05:21,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 12:05:21,798 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 12:05:22,124 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:05:22,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 12:05:22,124 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:05:22,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:05:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:05:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:05:22,126 INFO L87 Difference]: Start difference. First operand 20060 states and 24764 transitions. Second operand 9 states. [2018-11-18 12:05:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:25,479 INFO L93 Difference]: Finished difference Result 49628 states and 67787 transitions. [2018-11-18 12:05:25,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:05:25,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 535 [2018-11-18 12:05:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:25,643 INFO L225 Difference]: With dead ends: 49628 [2018-11-18 12:05:25,643 INFO L226 Difference]: Without dead ends: 29912 [2018-11-18 12:05:25,793 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1073 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:05:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29912 states. [2018-11-18 12:05:26,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29912 to 29304. [2018-11-18 12:05:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29304 states. [2018-11-18 12:05:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29304 states to 29304 states and 37167 transitions. [2018-11-18 12:05:26,324 INFO L78 Accepts]: Start accepts. Automaton has 29304 states and 37167 transitions. Word has length 535 [2018-11-18 12:05:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:26,325 INFO L480 AbstractCegarLoop]: Abstraction has 29304 states and 37167 transitions. [2018-11-18 12:05:26,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:05:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29304 states and 37167 transitions. [2018-11-18 12:05:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2018-11-18 12:05:26,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:26,421 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:05:26,421 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:26,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:26,421 INFO L82 PathProgramCache]: Analyzing trace with hash -708570230, now seen corresponding path program 1 times [2018-11-18 12:05:26,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:05:26,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:05:26,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:05:26,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:05:26,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:05:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:05:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 196 proven. 880 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 12:05:28,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:05:28,132 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:05:28,132 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 879 with the following transitions: [2018-11-18 12:05:28,133 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:05:28,138 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:05:28,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:05:28,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:05:28,381 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 5 different actions 5 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:05:28,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:28,382 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:05:28,874 INFO L227 lantSequenceWeakener]: Weakened 875 states. On average, predicates are now at 77.49% of their original sizes. [2018-11-18 12:05:28,874 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:05:28,934 INFO L415 sIntCurrentIteration]: We unified 877 AI predicates to 877 [2018-11-18 12:05:28,934 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:05:28,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:05:28,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 12:05:28,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:05:28,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:05:28,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:05:28,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:05:28,936 INFO L87 Difference]: Start difference. First operand 29304 states and 37167 transitions. Second operand 10 states. [2018-11-18 12:06:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:29,027 INFO L93 Difference]: Finished difference Result 58607 states and 74372 transitions. [2018-11-18 12:06:29,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:06:29,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 878 [2018-11-18 12:06:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:29,155 INFO L225 Difference]: With dead ends: 58607 [2018-11-18 12:06:29,155 INFO L226 Difference]: Without dead ends: 29647 [2018-11-18 12:06:29,263 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 885 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:06:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29647 states. [2018-11-18 12:06:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29647 to 29644. [2018-11-18 12:06:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29644 states. [2018-11-18 12:06:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29644 states to 29644 states and 37525 transitions. [2018-11-18 12:06:29,801 INFO L78 Accepts]: Start accepts. Automaton has 29644 states and 37525 transitions. Word has length 878 [2018-11-18 12:06:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:29,801 INFO L480 AbstractCegarLoop]: Abstraction has 29644 states and 37525 transitions. [2018-11-18 12:06:29,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:06:29,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29644 states and 37525 transitions. [2018-11-18 12:06:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-11-18 12:06:29,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:29,849 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:06:29,849 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:29,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash 726115578, now seen corresponding path program 1 times [2018-11-18 12:06:29,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:29,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:29,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:29,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:29,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 457 proven. 580 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-11-18 12:06:30,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:06:30,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:06:30,674 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 887 with the following transitions: [2018-11-18 12:06:30,674 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:06:30,677 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:06:30,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:06:30,962 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:06:30,962 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 5 different actions 9 times. Never widened. Performed 8948 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8948 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:06:30,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:30,964 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:06:31,399 INFO L227 lantSequenceWeakener]: Weakened 883 states. On average, predicates are now at 80.18% of their original sizes. [2018-11-18 12:06:31,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:06:31,450 INFO L415 sIntCurrentIteration]: We unified 885 AI predicates to 885 [2018-11-18 12:06:31,450 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:06:31,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:06:31,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 12:06:31,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:31,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:06:31,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:06:31,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:06:31,452 INFO L87 Difference]: Start difference. First operand 29644 states and 37525 transitions. Second operand 9 states. [2018-11-18 12:08:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:08,884 INFO L93 Difference]: Finished difference Result 59801 states and 76052 transitions. [2018-11-18 12:08:08,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:08:08,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 886 [2018-11-18 12:08:08,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:09,013 INFO L225 Difference]: With dead ends: 59801 [2018-11-18 12:08:09,013 INFO L226 Difference]: Without dead ends: 30841 [2018-11-18 12:08:09,172 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 892 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:08:09,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30841 states. [2018-11-18 12:08:09,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30841 to 30825. [2018-11-18 12:08:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30825 states. [2018-11-18 12:08:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30825 states to 30825 states and 38865 transitions. [2018-11-18 12:08:09,595 INFO L78 Accepts]: Start accepts. Automaton has 30825 states and 38865 transitions. Word has length 886 [2018-11-18 12:08:09,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:09,596 INFO L480 AbstractCegarLoop]: Abstraction has 30825 states and 38865 transitions. [2018-11-18 12:08:09,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:08:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30825 states and 38865 transitions. [2018-11-18 12:08:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2018-11-18 12:08:09,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:09,633 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:09,633 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:09,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:09,634 INFO L82 PathProgramCache]: Analyzing trace with hash 226428333, now seen corresponding path program 1 times [2018-11-18 12:08:09,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:09,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:09,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:09,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:09,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 315 proven. 572 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2018-11-18 12:08:10,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:10,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:10,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 971 with the following transitions: [2018-11-18 12:08:10,847 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:10,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:10,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:11,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:08:11,343 INFO L272 AbstractInterpreter]: Visited 262 different actions 1308 times. Merged at 10 different actions 45 times. Widened at 1 different actions 1 times. Performed 15895 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15895 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:08:11,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:11,348 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:08:11,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:11,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:08:11,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:11,354 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:08:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:11,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 1026 proven. 2 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2018-11-18 12:08:11,902 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 315 proven. 572 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2018-11-18 12:08:12,356 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:08:12,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 12:08:12,356 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:08:12,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:08:12,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:08:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:08:12,358 INFO L87 Difference]: Start difference. First operand 30825 states and 38865 transitions. Second operand 16 states. [2018-11-18 12:08:17,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:17,941 INFO L93 Difference]: Finished difference Result 65606 states and 84047 transitions. [2018-11-18 12:08:17,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 12:08:17,941 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 970 [2018-11-18 12:08:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:18,020 INFO L225 Difference]: With dead ends: 65606 [2018-11-18 12:08:18,021 INFO L226 Difference]: Without dead ends: 29071 [2018-11-18 12:08:18,145 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2023 GetRequests, 1967 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 12:08:18,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29071 states. [2018-11-18 12:08:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29071 to 28077. [2018-11-18 12:08:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28077 states. [2018-11-18 12:08:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28077 states to 28077 states and 31897 transitions. [2018-11-18 12:08:18,668 INFO L78 Accepts]: Start accepts. Automaton has 28077 states and 31897 transitions. Word has length 970 [2018-11-18 12:08:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:18,668 INFO L480 AbstractCegarLoop]: Abstraction has 28077 states and 31897 transitions. [2018-11-18 12:08:18,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:08:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28077 states and 31897 transitions. [2018-11-18 12:08:18,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2018-11-18 12:08:18,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:18,700 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:18,701 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:18,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:18,701 INFO L82 PathProgramCache]: Analyzing trace with hash -430191659, now seen corresponding path program 1 times [2018-11-18 12:08:18,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:18,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:18,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:18,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:18,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 776 proven. 2 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2018-11-18 12:08:19,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:19,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:19,340 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 983 with the following transitions: [2018-11-18 12:08:19,340 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:19,343 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:19,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:19,826 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:08:19,826 INFO L272 AbstractInterpreter]: Visited 252 different actions 1010 times. Merged at 10 different actions 37 times. Never widened. Performed 11769 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:08:19,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:19,828 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:08:19,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:19,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:08:19,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:19,835 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:08:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:19,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 776 proven. 2 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2018-11-18 12:08:20,216 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 776 proven. 2 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2018-11-18 12:08:20,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:08:20,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 12:08:20,689 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:08:20,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:08:20,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:08:20,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:08:20,690 INFO L87 Difference]: Start difference. First operand 28077 states and 31897 transitions. Second operand 10 states. [2018-11-18 12:08:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:23,253 INFO L93 Difference]: Finished difference Result 60980 states and 69914 transitions. [2018-11-18 12:08:23,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:08:23,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 982 [2018-11-18 12:08:23,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:23,324 INFO L225 Difference]: With dead ends: 60980 [2018-11-18 12:08:23,324 INFO L226 Difference]: Without dead ends: 33587 [2018-11-18 12:08:23,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1995 GetRequests, 1971 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:08:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33587 states. [2018-11-18 12:08:23,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33587 to 33259. [2018-11-18 12:08:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33259 states. [2018-11-18 12:08:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33259 states to 33259 states and 37024 transitions. [2018-11-18 12:08:23,792 INFO L78 Accepts]: Start accepts. Automaton has 33259 states and 37024 transitions. Word has length 982 [2018-11-18 12:08:23,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:23,793 INFO L480 AbstractCegarLoop]: Abstraction has 33259 states and 37024 transitions. [2018-11-18 12:08:23,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:08:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 33259 states and 37024 transitions. [2018-11-18 12:08:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1003 [2018-11-18 12:08:23,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:23,816 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:23,816 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:23,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:23,817 INFO L82 PathProgramCache]: Analyzing trace with hash 441583886, now seen corresponding path program 1 times [2018-11-18 12:08:23,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:23,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:23,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:23,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:23,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 770 proven. 142 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2018-11-18 12:08:24,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:24,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:24,318 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1003 with the following transitions: [2018-11-18 12:08:24,318 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:24,321 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:24,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:24,927 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:08:24,927 INFO L272 AbstractInterpreter]: Visited 253 different actions 1022 times. Merged at 11 different actions 45 times. Widened at 1 different actions 1 times. Performed 11863 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:08:24,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:24,936 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:08:24,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:24,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:08:24,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:24,942 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:08:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:25,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 1337 proven. 2 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2018-11-18 12:08:25,378 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 770 proven. 142 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2018-11-18 12:08:25,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:08:25,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:08:25,759 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:08:25,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:08:25,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:08:25,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:08:25,760 INFO L87 Difference]: Start difference. First operand 33259 states and 37024 transitions. Second operand 9 states. [2018-11-18 12:08:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:28,110 INFO L93 Difference]: Finished difference Result 72504 states and 83505 transitions. [2018-11-18 12:08:28,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:08:28,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1002 [2018-11-18 12:08:28,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:28,221 INFO L225 Difference]: With dead ends: 72504 [2018-11-18 12:08:28,221 INFO L226 Difference]: Without dead ends: 39929 [2018-11-18 12:08:28,310 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2027 GetRequests, 2008 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:08:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39929 states. [2018-11-18 12:08:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39929 to 38091. [2018-11-18 12:08:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38091 states. [2018-11-18 12:08:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38091 states to 38091 states and 41881 transitions. [2018-11-18 12:08:28,892 INFO L78 Accepts]: Start accepts. Automaton has 38091 states and 41881 transitions. Word has length 1002 [2018-11-18 12:08:28,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:28,892 INFO L480 AbstractCegarLoop]: Abstraction has 38091 states and 41881 transitions. [2018-11-18 12:08:28,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:08:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 38091 states and 41881 transitions. [2018-11-18 12:08:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2018-11-18 12:08:28,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:28,913 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:28,913 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:28,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:28,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1681818977, now seen corresponding path program 1 times [2018-11-18 12:08:28,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:28,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:28,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:28,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:28,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2018-11-18 12:08:29,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:08:29,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:08:29,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:08:29,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:08:29,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:08:29,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:08:29,462 INFO L87 Difference]: Start difference. First operand 38091 states and 41881 transitions. Second operand 4 states. [2018-11-18 12:08:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:30,677 INFO L93 Difference]: Finished difference Result 71451 states and 77679 transitions. [2018-11-18 12:08:30,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:08:30,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1027 [2018-11-18 12:08:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:30,724 INFO L225 Difference]: With dead ends: 71451 [2018-11-18 12:08:30,724 INFO L226 Difference]: Without dead ends: 33111 [2018-11-18 12:08:30,790 INFO L604 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 [2018-11-18 12:08:30,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33111 states. [2018-11-18 12:08:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33111 to 32928. [2018-11-18 12:08:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32928 states. [2018-11-18 12:08:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32928 states to 32928 states and 34719 transitions. [2018-11-18 12:08:31,047 INFO L78 Accepts]: Start accepts. Automaton has 32928 states and 34719 transitions. Word has length 1027 [2018-11-18 12:08:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:31,048 INFO L480 AbstractCegarLoop]: Abstraction has 32928 states and 34719 transitions. [2018-11-18 12:08:31,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:08:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32928 states and 34719 transitions. [2018-11-18 12:08:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2018-11-18 12:08:31,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:31,066 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:31,066 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:31,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:31,066 INFO L82 PathProgramCache]: Analyzing trace with hash -209175463, now seen corresponding path program 1 times [2018-11-18 12:08:31,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:31,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:31,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:31,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:31,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 984 proven. 589 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-11-18 12:08:32,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:32,010 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:32,010 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1082 with the following transitions: [2018-11-18 12:08:32,010 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:32,013 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:32,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:32,533 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:08:32,533 INFO L272 AbstractInterpreter]: Visited 264 different actions 1063 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 12563 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12563 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:08:32,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:32,534 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:08:32,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:32,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:08:32,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:32,541 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:08:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:32,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 12:08:32,953 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 12:08:33,448 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:08:33,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 12:08:33,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:08:33,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:08:33,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:08:33,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:08:33,449 INFO L87 Difference]: Start difference. First operand 32928 states and 34719 transitions. Second operand 3 states. [2018-11-18 12:08:34,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:34,093 INFO L93 Difference]: Finished difference Result 61735 states and 65167 transitions. [2018-11-18 12:08:34,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:08:34,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1081 [2018-11-18 12:08:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:34,134 INFO L225 Difference]: With dead ends: 61735 [2018-11-18 12:08:34,134 INFO L226 Difference]: Without dead ends: 32240 [2018-11-18 12:08:34,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2174 GetRequests, 2163 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:08:34,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32240 states. [2018-11-18 12:08:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32240 to 31339. [2018-11-18 12:08:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31339 states. [2018-11-18 12:08:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31339 states to 31339 states and 32672 transitions. [2018-11-18 12:08:34,402 INFO L78 Accepts]: Start accepts. Automaton has 31339 states and 32672 transitions. Word has length 1081 [2018-11-18 12:08:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:34,403 INFO L480 AbstractCegarLoop]: Abstraction has 31339 states and 32672 transitions. [2018-11-18 12:08:34,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:08:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31339 states and 32672 transitions. [2018-11-18 12:08:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1480 [2018-11-18 12:08:34,430 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:34,431 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:34,431 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:34,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash -228357286, now seen corresponding path program 1 times [2018-11-18 12:08:34,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:34,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:34,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3944 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 3632 trivial. 0 not checked. [2018-11-18 12:08:35,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:08:35,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:08:35,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:08:35,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:08:35,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:08:35,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:08:35,213 INFO L87 Difference]: Start difference. First operand 31339 states and 32672 transitions. Second operand 4 states. [2018-11-18 12:08:36,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:36,474 INFO L93 Difference]: Finished difference Result 78685 states and 82646 transitions. [2018-11-18 12:08:36,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:08:36,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1479 [2018-11-18 12:08:36,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:36,533 INFO L225 Difference]: With dead ends: 78685 [2018-11-18 12:08:36,533 INFO L226 Difference]: Without dead ends: 47315 [2018-11-18 12:08:36,570 INFO L604 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 [2018-11-18 12:08:36,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47315 states. [2018-11-18 12:08:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47315 to 43873. [2018-11-18 12:08:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43873 states. [2018-11-18 12:08:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43873 states to 43873 states and 45701 transitions. [2018-11-18 12:08:36,908 INFO L78 Accepts]: Start accepts. Automaton has 43873 states and 45701 transitions. Word has length 1479 [2018-11-18 12:08:36,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:36,909 INFO L480 AbstractCegarLoop]: Abstraction has 43873 states and 45701 transitions. [2018-11-18 12:08:36,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:08:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43873 states and 45701 transitions. [2018-11-18 12:08:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1696 [2018-11-18 12:08:36,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:36,957 INFO L375 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 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] [2018-11-18 12:08:36,957 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:36,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:36,957 INFO L82 PathProgramCache]: Analyzing trace with hash 4149159, now seen corresponding path program 1 times [2018-11-18 12:08:36,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:36,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:36,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:36,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:36,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5233 backedges. 2021 proven. 673 refuted. 0 times theorem prover too weak. 2539 trivial. 0 not checked. [2018-11-18 12:08:39,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:39,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:39,191 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1696 with the following transitions: [2018-11-18 12:08:39,191 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], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1036], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:39,194 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:39,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:39,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:08:39,993 INFO L272 AbstractInterpreter]: Visited 289 different actions 1154 times. Merged at 11 different actions 33 times. Never widened. Performed 13817 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 12:08:39,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:39,996 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:08:39,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:39,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:08:40,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:40,002 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:08:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:40,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5233 backedges. 3617 proven. 2 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2018-11-18 12:08:41,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5233 backedges. 1193 proven. 575 refuted. 0 times theorem prover too weak. 3465 trivial. 0 not checked. [2018-11-18 12:08:44,429 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:08:44,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-18 12:08:44,429 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:08:44,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 12:08:44,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 12:08:44,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:08:44,431 INFO L87 Difference]: Start difference. First operand 43873 states and 45701 transitions. Second operand 17 states. [2018-11-18 12:08:51,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:51,248 INFO L93 Difference]: Finished difference Result 87343 states and 93333 transitions. [2018-11-18 12:08:51,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 12:08:51,248 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1695 [2018-11-18 12:08:51,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:51,250 INFO L225 Difference]: With dead ends: 87343 [2018-11-18 12:08:51,250 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:08:51,371 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3478 GetRequests, 3420 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 12:08:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:08:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:08:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:08:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:08:51,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1695 [2018-11-18 12:08:51,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:51,372 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:08:51,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 12:08:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:08:51,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:08:51,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:08:51,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:51,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:52,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:53,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:53,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:53,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:53,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:53,960 WARN L180 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 810 DAG size of output: 701 [2018-11-18 12:08:54,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:54,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:55,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:56,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:57,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:57,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:57,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:58,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:08:58,223 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 862 DAG size of output: 752 [2018-11-18 12:09:01,610 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 665 DAG size of output: 87 [2018-11-18 12:09:03,312 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 524 DAG size of output: 85 [2018-11-18 12:09:04,576 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 430 DAG size of output: 89 [2018-11-18 12:09:06,801 WARN L180 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 467 DAG size of output: 107 [2018-11-18 12:09:10,423 WARN L180 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 715 DAG size of output: 84 [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L421 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)) [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,432 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,433 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse2 (= 7 |old(~a12~0)|)) (.cse3 (= 8 |old(~a16~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse19 (= ~a18~0 |old(~a18~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0))) (let ((.cse9 (and (and .cse18 .cse21 .cse19) .cse20)) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse14 (< 8 |old(~a16~0)|)) (.cse5 (= 4 |old(~a15~0)|)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse12 (not (= 8 |old(~a12~0)|))) (.cse8 (not .cse3)) (.cse13 (< 0 (+ |old(~a18~0)| 87))) (.cse4 (< 7 |old(~a12~0)|)) (.cse17 (not .cse2)) (.cse6 (<= (+ |old(~a18~0)| 79) 0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse0 (and .cse18 .cse21 .cse19 .cse20)) (.cse7 (= 10 |old(~a16~0)|)) (.cse16 (not (= 9 |old(~a12~0)|))) (.cse15 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse8 (or .cse6 .cse4) .cse9) (or .cse10 .cse11 .cse0) (or .cse0 .cse12 .cse13 .cse14) (or .cse9 (or .cse13 .cse14 .cse15) .cse16) (or .cse8 .cse11 .cse0) (or .cse0 .cse6 .cse14 .cse16) (or .cse0 (or .cse1 .cse12 .cse7 .cse3)) (or .cse0 .cse5 .cse17 .cse7) (or .cse8 .cse17 .cse0) (or .cse5 .cse0 .cse14 .cse4) (or .cse0 .cse5 .cse12) (or .cse1 .cse0 .cse17 .cse7 .cse13) (or .cse10 .cse7 (and .cse6 (< 0 (+ |old(~a18~0)| 156))) .cse16 .cse0) (or .cse8 .cse0 .cse12 .cse6) (or .cse8 .cse0 .cse13 .cse4) (or (or .cse1 .cse17 .cse6 .cse7) (and (and .cse18 .cse19) (= |old(~a16~0)| ~a16~0) .cse20)) (or .cse1 .cse0 .cse7 .cse3 .cse16 .cse15)))) [2018-11-18 12:09:10,433 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 12:09:10,434 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse14 (= ~a18~0 |old(~a18~0)|)) (.cse15 (= |old(~a12~0)| ~a12~0)) (.cse3 (= 8 |old(~a16~0)|)) (.cse2 (= 7 |old(~a12~0)|)) (.cse23 (+ |old(~a18~0)| 87))) (let ((.cse19 (not (= 5 |old(~a12~0)|))) (.cse17 (< 8 |old(~a16~0)|)) (.cse8 (= 4 |old(~a15~0)|)) (.cse21 (= |calculate_output_#in~input| 0)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= calculate_output_~input 0))) (.cse6 (not (= 8 |old(~a12~0)|))) (.cse16 (< 0 .cse23)) (.cse22 (not .cse2)) (.cse5 (not .cse3)) (.cse7 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (< 7 |old(~a12~0)|)) (.cse24 (and (and .cse12 .cse14) (= |old(~a16~0)| ~a16~0) .cse15)) (.cse1 (= 12 |old(~a16~0)|)) (.cse0 (and .cse12 .cse13 .cse14 .cse15)) (.cse9 (= 10 |old(~a16~0)|)) (.cse11 (not (= 9 |old(~a12~0)|))) (.cse18 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7) (or .cse0 .cse8 .cse7 .cse9 .cse4) (or .cse10 .cse0 .cse9 (and .cse7 (< 0 (+ |old(~a18~0)| 156))) .cse11) (or (and (and .cse12 .cse13 .cse14) .cse15) (or .cse16 .cse17 .cse18) .cse11) (or .cse5 .cse19 .cse0) (or .cse0 .cse7 .cse17 .cse11) (or .cse10 .cse19 (and .cse12 .cse20 .cse13 .cse14 .cse15) (= 0 |old(~a16~0)|) .cse21) (or .cse0 .cse8 .cse22 .cse9) (or .cse5 .cse22 .cse0) (or .cse8 .cse0 .cse17 .cse4) (or (or .cse1 .cse6 .cse9 .cse3) .cse0) (or .cse0 .cse8 (< (+ |old(~a18~0)| 78) 0) .cse17) (or .cse1 .cse0 .cse22 .cse9 .cse16) (or .cse0 .cse8 .cse6) (or .cse5 .cse4 .cse0 .cse16) (or .cse21 (or .cse10 (not (= 6 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|))) (not (= .cse23 0)) .cse20) (or .cse5 .cse0 .cse6 .cse16) (or (or .cse1 .cse22 .cse7 .cse9) .cse24) (or .cse5 (or .cse7 .cse4) .cse24) (or .cse1 .cse0 .cse9 .cse3 .cse11 .cse18)))) [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,435 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,436 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,437 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,438 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:09:10,439 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse14 (= 8 |old(~a16~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse13 (= 7 |old(~a12~0)|))) (let ((.cse6 (< 8 |old(~a16~0)|)) (.cse5 (not .cse13)) (.cse11 (and (and .cse18 .cse19 .cse20) .cse21)) (.cse2 (<= (+ |old(~a18~0)| 79) 0)) (.cse17 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 5 |old(~a12~0)|))) (.cse1 (= 4 |old(~a15~0)|)) (.cse15 (not (= 8 |old(~a12~0)|))) (.cse10 (not .cse14)) (.cse9 (< 0 (+ |old(~a18~0)| 87))) (.cse4 (< 7 |old(~a12~0)|)) (.cse8 (= 12 |old(~a16~0)|)) (.cse0 (and .cse18 .cse19 .cse20 .cse21)) (.cse3 (= 10 |old(~a16~0)|)) (.cse7 (not (= 9 |old(~a12~0)|))) (.cse12 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse0) (or .cse2 .cse6 .cse0 .cse7) (or .cse8 .cse5 .cse3 .cse9 .cse0) (or .cse10 (or .cse2 .cse4) .cse11) (or .cse11 (or .cse9 .cse6 .cse12) .cse7) (or .cse8 .cse0 .cse13 .cse14 .cse4) (or .cse1 .cse15 .cse0) (or .cse10 .cse16 .cse0) (or .cse0 .cse17 .cse3 (and .cse2 (< 0 (+ |old(~a18~0)| 156))) .cse7) (or .cse10 .cse5 .cse0) (or (or .cse8 .cse15 .cse3 .cse14) .cse0) (or .cse0 .cse1 (< (+ |old(~a18~0)| 78) 0) .cse6) (or (or .cse8 .cse5 .cse2 .cse3) .cse11) (or .cse10 .cse0 .cse15 .cse2) (or .cse17 .cse16 .cse0 (= |calculate_output_#in~input| 0)) (or .cse8 .cse13 .cse1 .cse0 .cse4) (or .cse10 .cse0 .cse15 .cse9) (or .cse10 .cse0 .cse9 .cse4) (or .cse8 .cse0 .cse3 .cse14 .cse7 .cse12)))) [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,440 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:09:10,441 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,442 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,443 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,444 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,445 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,446 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,447 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,448 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 12:09:10,449 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse9 (not (= ~a16~0 10))) (.cse3 (not (= ~a16~0 8))) (.cse5 (not (= ~a12~0 7)))) (let ((.cse2 (< 0 (+ ~a18~0 79))) (.cse15 (not (= ~a15~0 4))) (.cse12 (and .cse9 .cse3 .cse5))) (let ((.cse13 (<= 4 ~a15~0)) (.cse1 (<= ~a16~0 8)) (.cse0 (<= ~a12~0 7)) (.cse10 (= ~a15~0 3)) (.cse16 (and .cse15 .cse12)) (.cse6 (= ~a12~0 9)) (.cse11 (or (<= (+ ~a18~0 156) 0) .cse2)) (.cse8 (= 8 ~a12~0)) (.cse7 (<= (+ ~a18~0 87) 0)) (.cse4 (not (= ~a16~0 12))) (.cse14 (= 7 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse0) (and .cse1 .cse6 .cse2) (and .cse7 .cse0 .cse1) (and .cse8 .cse7 .cse9 .cse4) (and .cse10 (and .cse1 .cse6) .cse11) (and .cse12 .cse13 .cse4 .cse6) (and (and .cse9 .cse4 .cse14) .cse2) (and .cse8 .cse2 .cse9 .cse4) (and .cse8 .cse15) (and (not (= main_~input~0 0)) .cse10 (= ~a12~0 5)) (and .cse15 .cse0 .cse1) (and .cse7 .cse13 .cse1 .cse6) (and .cse9 .cse15 .cse14) (not (= 3 |old(~a15~0)|)) (and (= 5 ~a12~0) .cse1) (and (and .cse16 .cse0) .cse2) (not (= 5 |old(~a12~0)|)) (and .cse10 .cse16 .cse6 .cse11) (and .cse8 .cse12 .cse4) (and .cse7 .cse9 .cse4 .cse14) (and (= 8 ~a16~0) .cse14))))) [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 12:09:10,449 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse9 (not (= ~a16~0 10))) (.cse3 (not (= ~a16~0 8))) (.cse5 (not (= ~a12~0 7)))) (let ((.cse2 (< 0 (+ ~a18~0 79))) (.cse15 (not (= ~a15~0 4))) (.cse12 (and .cse9 .cse3 .cse5))) (let ((.cse13 (<= 4 ~a15~0)) (.cse1 (<= ~a16~0 8)) (.cse0 (<= ~a12~0 7)) (.cse10 (= ~a15~0 3)) (.cse16 (and .cse15 .cse12)) (.cse6 (= ~a12~0 9)) (.cse11 (or (<= (+ ~a18~0 156) 0) .cse2)) (.cse8 (= 8 ~a12~0)) (.cse7 (<= (+ ~a18~0 87) 0)) (.cse4 (not (= ~a16~0 12))) (.cse14 (= 7 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse0) (and .cse1 .cse6 .cse2) (and .cse7 .cse0 .cse1) (and .cse8 .cse7 .cse9 .cse4) (and .cse10 (and .cse1 .cse6) .cse11) (and .cse12 .cse13 .cse4 .cse6) (and (and .cse9 .cse4 .cse14) .cse2) (and .cse8 .cse2 .cse9 .cse4) (and .cse8 .cse15) (and .cse15 .cse0 .cse1) (and .cse7 .cse13 .cse1 .cse6) (and .cse9 .cse15 .cse14) (not (= 3 |old(~a15~0)|)) (and (= 5 ~a12~0) .cse1) (and (and .cse16 .cse0) .cse2) (not (= 5 |old(~a12~0)|)) (and .cse10 (= ~a12~0 5)) (and .cse10 .cse16 .cse6 .cse11) (and .cse8 .cse12 .cse4) (and .cse7 .cse9 .cse4 .cse14) (and (= 8 ~a16~0) .cse14))))) [2018-11-18 12:09:10,449 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:09:10,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:09:10 BoogieIcfgContainer [2018-11-18 12:09:10,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:09:10,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:09:10,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:09:10,459 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:09:10,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:03:18" (3/4) ... [2018-11-18 12:09:10,468 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:09:10,473 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:09:10,473 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 12:09:10,473 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:09:10,474 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:09:10,493 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:09:10,494 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:09:10,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || ((a12 <= 7 && a16 <= 8) && 0 < a18 + 79)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((a16 <= 8 && a12 == 9) && 0 < a18 + 79)) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12))) || ((a15 == 3 && a16 <= 8 && a12 == 9) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a16 == 10) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (8 == a12 && !(a15 == 4))) || ((!(a15 == 4) && a12 <= 7) && a16 <= 8)) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || ((!(a16 == 10) && !(a15 == 4)) && 7 == a12)) || !(3 == \old(a15))) || (5 == a12 && a16 <= 8)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || !(5 == \old(a12))) || (a15 == 3 && a12 == 5)) || (((a15 == 3 && !(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 == 9) && (a18 + 156 <= 0 || 0 < a18 + 79))) || ((8 == a12 && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || (8 == a16 && 7 == a12) [2018-11-18 12:09:10,665 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1619e6cf-7ae2-4605-af3b-d871a319cd76/bin-2019/utaipan/witness.graphml [2018-11-18 12:09:10,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:09:10,666 INFO L168 Benchmark]: Toolchain (without parser) took 353996.90 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 949.5 MB in the beginning and 4.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 892.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,666 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:09:10,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.46 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 879.7 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 879.7 MB in the beginning and 1.1 GB in the end (delta: -258.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,667 INFO L168 Benchmark]: Boogie Preprocessor took 79.94 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,667 INFO L168 Benchmark]: RCFGBuilder took 1416.01 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: -7.8 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,667 INFO L168 Benchmark]: TraceAbstraction took 351573.52 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,668 INFO L168 Benchmark]: Witness Printer took 206.35 ms. Allocated memory is still 5.4 GB. Free memory was 4.6 GB in the beginning and 4.5 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:10,674 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.46 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 879.7 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 879.7 MB in the beginning and 1.1 GB in the end (delta: -258.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.94 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1416.01 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: -7.8 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 351573.52 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 206.35 ms. Allocated memory is still 5.4 GB. Free memory was 4.6 GB in the beginning and 4.5 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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)) || ((a12 <= 7 && a16 <= 8) && 0 < a18 + 79)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((a16 <= 8 && a12 == 9) && 0 < a18 + 79)) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12))) || ((a15 == 3 && a16 <= 8 && a12 == 9) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a16 == 10) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (8 == a12 && !(a15 == 4))) || ((!(a15 == 4) && a12 <= 7) && a16 <= 8)) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || ((!(a16 == 10) && !(a15 == 4)) && 7 == a12)) || !(3 == \old(a15))) || (5 == a12 && a16 <= 8)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || !(5 == \old(a12))) || (a15 == 3 && a12 == 5)) || (((a15 == 3 && !(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 == 9) && (a18 + 156 <= 0 || 0 < a18 + 79))) || ((8 == a12 && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || (8 == a16 && 7 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 351.5s OverallTime, 17 OverallIterations, 9 TraceHistogramMax, 301.5s AutomataDifference, 0.0s DeadEndRemovalTime, 19.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3521 SDtfs, 36464 SDslu, 4266 SDs, 0 SdLazy, 66234 SolverSat, 10125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 269.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 14781 GetRequests, 14500 SyntacticMatches, 22 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43873occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.6s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9983661466188597 AbsIntWeakeningRatio, 0.050473186119873815 AbsIntAvgWeakeningVarsNumRemoved, 16.12197686645636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 8682 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 4364 PreInvPairs, 6545 NumberOfFragments, 2426 HoareAnnotationTreeSize, 4364 FomulaSimplifications, 835580 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 454211 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 17648 NumberOfCodeBlocks, 17648 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 23884 ConstructedInterpolants, 0 QuantifiedInterpolants, 78719046 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8202 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 44138/48919 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...