./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/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 4c182367b65c6b1e0e799235f4eaa75d3c91be5a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:19:38,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:19:38,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:19:38,196 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:19:38,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:19:38,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:19:38,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:19:38,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:19:38,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:19:38,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:19:38,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:19:38,201 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:19:38,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:19:38,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:19:38,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:19:38,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:19:38,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:19:38,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:19:38,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:19:38,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:19:38,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:19:38,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:19:38,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:19:38,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:19:38,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:19:38,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:19:38,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:19:38,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:19:38,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:19:38,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:19:38,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:19:38,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:19:38,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:19:38,217 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:19:38,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:19:38,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:19:38,218 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:19:38,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:19:38,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:19:38,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:19:38,230 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:19:38,230 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:19:38,231 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:19:38,231 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:19:38,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:19:38,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:19:38,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:19:38,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:19:38,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:19:38,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:19:38,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:19:38,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:19:38,235 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_94007c62-2685-4883-8a82-3115ebeccc76/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 -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2018-11-23 04:19:38,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:19:38,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:19:38,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:19:38,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:19:38,267 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:19:38,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-23 04:19:38,304 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/data/4674f7454/f394e055d9ef4de29d484ad11f2cf07a/FLAGa79f0d158 [2018-11-23 04:19:38,710 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:19:38,711 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-23 04:19:38,720 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/data/4674f7454/f394e055d9ef4de29d484ad11f2cf07a/FLAGa79f0d158 [2018-11-23 04:19:39,065 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/data/4674f7454/f394e055d9ef4de29d484ad11f2cf07a [2018-11-23 04:19:39,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:19:39,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:19:39,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:19:39,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:19:39,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:19:39,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b01f361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39, skipping insertion in model container [2018-11-23 04:19:39,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:19:39,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:19:39,398 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:19:39,402 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:19:39,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:19:39,507 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:19:39,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39 WrapperNode [2018-11-23 04:19:39,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:19:39,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:19:39,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:19:39,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:19:39,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:19:39,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:19:39,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:19:39,595 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:19:39,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... [2018-11-23 04:19:39,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:19:39,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:19:39,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:19:39,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:19:39,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:19:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:19:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:19:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:19:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:19:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:19:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:19:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:19:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:19:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:19:40,650 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:19:40,650 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:19:40,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:19:40 BoogieIcfgContainer [2018-11-23 04:19:40,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:19:40,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:19:40,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:19:40,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:19:40,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:19:39" (1/3) ... [2018-11-23 04:19:40,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75aa89b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:19:40, skipping insertion in model container [2018-11-23 04:19:40,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:19:39" (2/3) ... [2018-11-23 04:19:40,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75aa89b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:19:40, skipping insertion in model container [2018-11-23 04:19:40,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:19:40" (3/3) ... [2018-11-23 04:19:40,658 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label19_true-unreach-call_false-termination.c [2018-11-23 04:19:40,666 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:19:40,672 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:19:40,682 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:19:40,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:19:40,703 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:19:40,703 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:19:40,703 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:19:40,703 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:19:40,703 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:19:40,703 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:19:40,703 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:19:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 04:19:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 04:19:40,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:40,728 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:40,730 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:40,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash -370104541, now seen corresponding path program 1 times [2018-11-23 04:19:40,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:40,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:40,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:40,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:40,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:40,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:40,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:19:40,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:40,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:19:41,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:19:41,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:19:41,014 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 04:19:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:42,219 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 04:19:42,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:19:42,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-23 04:19:42,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:42,230 INFO L225 Difference]: With dead ends: 688 [2018-11-23 04:19:42,230 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 04:19:42,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:19:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 04:19:42,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 04:19:42,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 04:19:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 770 transitions. [2018-11-23 04:19:42,292 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 770 transitions. Word has length 68 [2018-11-23 04:19:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:42,293 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 770 transitions. [2018-11-23 04:19:42,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:19:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 770 transitions. [2018-11-23 04:19:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 04:19:42,298 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:42,298 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:42,299 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:42,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:42,299 INFO L82 PathProgramCache]: Analyzing trace with hash -115709203, now seen corresponding path program 1 times [2018-11-23 04:19:42,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:42,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:42,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:42,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:42,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:42,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:42,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:19:42,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:42,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:19:42,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:19:42,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:19:42,479 INFO L87 Difference]: Start difference. First operand 432 states and 770 transitions. Second operand 6 states. [2018-11-23 04:19:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:43,502 INFO L93 Difference]: Finished difference Result 1228 states and 2244 transitions. [2018-11-23 04:19:43,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:19:43,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-23 04:19:43,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:43,507 INFO L225 Difference]: With dead ends: 1228 [2018-11-23 04:19:43,507 INFO L226 Difference]: Without dead ends: 802 [2018-11-23 04:19:43,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:19:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2018-11-23 04:19:43,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 794. [2018-11-23 04:19:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2018-11-23 04:19:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1297 transitions. [2018-11-23 04:19:43,538 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1297 transitions. Word has length 137 [2018-11-23 04:19:43,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:43,538 INFO L480 AbstractCegarLoop]: Abstraction has 794 states and 1297 transitions. [2018-11-23 04:19:43,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:19:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1297 transitions. [2018-11-23 04:19:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 04:19:43,542 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:43,542 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:43,543 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:43,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:43,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1811598022, now seen corresponding path program 1 times [2018-11-23 04:19:43,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:43,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:43,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:43,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:43,544 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:43,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:43,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:19:43,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:43,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:19:43,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:19:43,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:19:43,634 INFO L87 Difference]: Start difference. First operand 794 states and 1297 transitions. Second operand 5 states. [2018-11-23 04:19:44,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:44,527 INFO L93 Difference]: Finished difference Result 2174 states and 3729 transitions. [2018-11-23 04:19:44,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:19:44,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-11-23 04:19:44,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:44,536 INFO L225 Difference]: With dead ends: 2174 [2018-11-23 04:19:44,537 INFO L226 Difference]: Without dead ends: 1386 [2018-11-23 04:19:44,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:19:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2018-11-23 04:19:44,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1363. [2018-11-23 04:19:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2018-11-23 04:19:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 2185 transitions. [2018-11-23 04:19:44,577 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 2185 transitions. Word has length 138 [2018-11-23 04:19:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:44,577 INFO L480 AbstractCegarLoop]: Abstraction has 1363 states and 2185 transitions. [2018-11-23 04:19:44,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:19:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 2185 transitions. [2018-11-23 04:19:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 04:19:44,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:44,580 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:44,581 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:44,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1374708642, now seen corresponding path program 1 times [2018-11-23 04:19:44,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:44,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:44,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:44,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:44,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:44,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:44,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:19:44,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:44,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:19:44,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:19:44,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:19:44,666 INFO L87 Difference]: Start difference. First operand 1363 states and 2185 transitions. Second operand 5 states. [2018-11-23 04:19:46,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:46,056 INFO L93 Difference]: Finished difference Result 4042 states and 6457 transitions. [2018-11-23 04:19:46,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:19:46,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-23 04:19:46,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:46,069 INFO L225 Difference]: With dead ends: 4042 [2018-11-23 04:19:46,069 INFO L226 Difference]: Without dead ends: 2685 [2018-11-23 04:19:46,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:19:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2018-11-23 04:19:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2594. [2018-11-23 04:19:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2594 states. [2018-11-23 04:19:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3720 transitions. [2018-11-23 04:19:46,156 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3720 transitions. Word has length 140 [2018-11-23 04:19:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:46,156 INFO L480 AbstractCegarLoop]: Abstraction has 2594 states and 3720 transitions. [2018-11-23 04:19:46,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:19:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3720 transitions. [2018-11-23 04:19:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 04:19:46,159 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:46,159 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:46,159 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:46,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:46,160 INFO L82 PathProgramCache]: Analyzing trace with hash 673073701, now seen corresponding path program 1 times [2018-11-23 04:19:46,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:46,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:46,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:46,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:46,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:46,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:46,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:19:46,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:46,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:19:46,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:19:46,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:19:46,334 INFO L87 Difference]: Start difference. First operand 2594 states and 3720 transitions. Second operand 5 states. [2018-11-23 04:19:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:47,736 INFO L93 Difference]: Finished difference Result 6770 states and 10029 transitions. [2018-11-23 04:19:47,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 04:19:47,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-23 04:19:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:47,749 INFO L225 Difference]: With dead ends: 6770 [2018-11-23 04:19:47,750 INFO L226 Difference]: Without dead ends: 3281 [2018-11-23 04:19:47,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:19:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2018-11-23 04:19:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3266. [2018-11-23 04:19:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3266 states. [2018-11-23 04:19:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 3266 states and 4128 transitions. [2018-11-23 04:19:47,832 INFO L78 Accepts]: Start accepts. Automaton has 3266 states and 4128 transitions. Word has length 141 [2018-11-23 04:19:47,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:47,832 INFO L480 AbstractCegarLoop]: Abstraction has 3266 states and 4128 transitions. [2018-11-23 04:19:47,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:19:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 4128 transitions. [2018-11-23 04:19:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 04:19:47,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:47,839 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:47,839 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:47,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:47,840 INFO L82 PathProgramCache]: Analyzing trace with hash 528451226, now seen corresponding path program 1 times [2018-11-23 04:19:47,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:47,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:47,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:47,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:47,841 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:48,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:19:48,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:19:48,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:48,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:19:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:19:48,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:19:48,007 INFO L87 Difference]: Start difference. First operand 3266 states and 4128 transitions. Second operand 4 states. [2018-11-23 04:19:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:48,411 INFO L93 Difference]: Finished difference Result 6708 states and 8467 transitions. [2018-11-23 04:19:48,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:19:48,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2018-11-23 04:19:48,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:48,422 INFO L225 Difference]: With dead ends: 6708 [2018-11-23 04:19:48,423 INFO L226 Difference]: Without dead ends: 3448 [2018-11-23 04:19:48,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:19:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2018-11-23 04:19:48,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 3448. [2018-11-23 04:19:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3448 states. [2018-11-23 04:19:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3448 states and 4322 transitions. [2018-11-23 04:19:48,499 INFO L78 Accepts]: Start accepts. Automaton has 3448 states and 4322 transitions. Word has length 240 [2018-11-23 04:19:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:48,499 INFO L480 AbstractCegarLoop]: Abstraction has 3448 states and 4322 transitions. [2018-11-23 04:19:48,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:19:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3448 states and 4322 transitions. [2018-11-23 04:19:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 04:19:48,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:48,510 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:48,510 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:48,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1924779938, now seen corresponding path program 1 times [2018-11-23 04:19:48,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:48,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:48,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:48,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:48,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:19:49,113 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:19:49,113 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:19:49,114 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-11-23 04:19:49,115 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 04:19:49,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:19:49,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:19:51,593 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:19:51,594 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1056 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 04:19:51,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:51,610 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:19:53,624 INFO L227 lantSequenceWeakener]: Weakened 272 states. On average, predicates are now at 78.11% of their original sizes. [2018-11-23 04:19:53,624 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:19:53,665 INFO L415 sIntCurrentIteration]: We unified 280 AI predicates to 280 [2018-11-23 04:19:53,665 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:19:53,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:19:53,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-23 04:19:53,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:19:53,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:19:53,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:19:53,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:19:53,667 INFO L87 Difference]: Start difference. First operand 3448 states and 4322 transitions. Second operand 6 states. [2018-11-23 04:19:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:19:58,086 INFO L93 Difference]: Finished difference Result 7073 states and 8847 transitions. [2018-11-23 04:19:58,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:19:58,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2018-11-23 04:19:58,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:19:58,095 INFO L225 Difference]: With dead ends: 7073 [2018-11-23 04:19:58,096 INFO L226 Difference]: Without dead ends: 3631 [2018-11-23 04:19:58,103 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:19:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3631 states. [2018-11-23 04:19:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3631 to 3630. [2018-11-23 04:19:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3630 states. [2018-11-23 04:19:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3630 states and 4506 transitions. [2018-11-23 04:19:58,170 INFO L78 Accepts]: Start accepts. Automaton has 3630 states and 4506 transitions. Word has length 281 [2018-11-23 04:19:58,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:19:58,170 INFO L480 AbstractCegarLoop]: Abstraction has 3630 states and 4506 transitions. [2018-11-23 04:19:58,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:19:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4506 transitions. [2018-11-23 04:19:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-23 04:19:58,181 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:19:58,181 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:19:58,182 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:19:58,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:19:58,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1610573163, now seen corresponding path program 1 times [2018-11-23 04:19:58,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:19:58,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:58,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:19:58,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:19:58,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:19:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:19:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 194 proven. 297 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:19:58,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:19:58,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:19:58,849 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 392 with the following transitions: [2018-11-23 04:19:58,849 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 04:19:58,851 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:19:58,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:02,222 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:20:02,222 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 2170 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2170 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 04:20:02,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:02,224 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:20:04,008 INFO L227 lantSequenceWeakener]: Weakened 388 states. On average, predicates are now at 77.91% of their original sizes. [2018-11-23 04:20:04,008 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:20:04,080 INFO L415 sIntCurrentIteration]: We unified 390 AI predicates to 390 [2018-11-23 04:20:04,081 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:20:04,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:04,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-11-23 04:20:04,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:04,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:20:04,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:20:04,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:20:04,082 INFO L87 Difference]: Start difference. First operand 3630 states and 4506 transitions. Second operand 10 states. [2018-11-23 04:20:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:13,889 INFO L93 Difference]: Finished difference Result 7258 states and 9034 transitions. [2018-11-23 04:20:13,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 04:20:13,889 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 391 [2018-11-23 04:20:13,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:13,900 INFO L225 Difference]: With dead ends: 7258 [2018-11-23 04:20:13,901 INFO L226 Difference]: Without dead ends: 3816 [2018-11-23 04:20:13,910 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 398 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 04:20:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2018-11-23 04:20:13,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3814. [2018-11-23 04:20:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3814 states. [2018-11-23 04:20:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 4693 transitions. [2018-11-23 04:20:13,992 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 4693 transitions. Word has length 391 [2018-11-23 04:20:13,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:13,992 INFO L480 AbstractCegarLoop]: Abstraction has 3814 states and 4693 transitions. [2018-11-23 04:20:13,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:20:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4693 transitions. [2018-11-23 04:20:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-11-23 04:20:14,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:14,007 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:20:14,008 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:14,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:14,008 INFO L82 PathProgramCache]: Analyzing trace with hash 740567223, now seen corresponding path program 1 times [2018-11-23 04:20:14,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:14,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:14,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:14,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:14,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 551 proven. 2 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-23 04:20:14,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:14,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:14,915 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 501 with the following transitions: [2018-11-23 04:20:14,916 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 04:20:14,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:14,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:21,455 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:20:21,455 INFO L272 AbstractInterpreter]: Visited 122 different actions 363 times. Merged at 6 different actions 17 times. Never widened. Performed 3553 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3553 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:20:21,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:21,457 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:20:22,435 INFO L227 lantSequenceWeakener]: Weakened 497 states. On average, predicates are now at 80.42% of their original sizes. [2018-11-23 04:20:22,435 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:20:22,477 INFO L415 sIntCurrentIteration]: We unified 499 AI predicates to 499 [2018-11-23 04:20:22,477 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:20:22,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:22,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-23 04:20:22,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:22,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:20:22,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:20:22,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:20:22,478 INFO L87 Difference]: Start difference. First operand 3814 states and 4693 transitions. Second operand 10 states. [2018-11-23 04:20:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:34,853 INFO L93 Difference]: Finished difference Result 8727 states and 10923 transitions. [2018-11-23 04:20:34,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 04:20:34,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 500 [2018-11-23 04:20:34,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:34,868 INFO L225 Difference]: With dead ends: 8727 [2018-11-23 04:20:34,868 INFO L226 Difference]: Without dead ends: 5285 [2018-11-23 04:20:34,875 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 510 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 04:20:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2018-11-23 04:20:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5075. [2018-11-23 04:20:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5075 states. [2018-11-23 04:20:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 6044 transitions. [2018-11-23 04:20:34,968 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 6044 transitions. Word has length 500 [2018-11-23 04:20:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:34,968 INFO L480 AbstractCegarLoop]: Abstraction has 5075 states and 6044 transitions. [2018-11-23 04:20:34,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:20:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 6044 transitions. [2018-11-23 04:20:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2018-11-23 04:20:34,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:34,986 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-23 04:20:34,987 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:34,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:34,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1791903518, now seen corresponding path program 1 times [2018-11-23 04:20:34,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:34,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:34,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:34,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:34,988 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 657 proven. 101 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2018-11-23 04:20:35,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:35,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:35,472 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 685 with the following transitions: [2018-11-23 04:20:35,472 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 04:20:35,476 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:35,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:39,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:20:39,675 INFO L272 AbstractInterpreter]: Visited 191 different actions 764 times. Merged at 9 different actions 33 times. Widened at 1 different actions 1 times. Performed 8514 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8514 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 04:20:39,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:39,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:20:39,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:39,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:20:39,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:39,684 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:20:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:39,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 987 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-11-23 04:20:39,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:20:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 657 proven. 101 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2018-11-23 04:20:40,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:20:40,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-11-23 04:20:40,283 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:20:40,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:20:40,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:20:40,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:20:40,285 INFO L87 Difference]: Start difference. First operand 5075 states and 6044 transitions. Second operand 7 states. [2018-11-23 04:20:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:41,512 INFO L93 Difference]: Finished difference Result 13080 states and 17843 transitions. [2018-11-23 04:20:41,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 04:20:41,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 684 [2018-11-23 04:20:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:41,542 INFO L225 Difference]: With dead ends: 13080 [2018-11-23 04:20:41,542 INFO L226 Difference]: Without dead ends: 8377 [2018-11-23 04:20:41,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1384 GetRequests, 1370 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-11-23 04:20:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8377 states. [2018-11-23 04:20:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8377 to 8009. [2018-11-23 04:20:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8009 states. [2018-11-23 04:20:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 9702 transitions. [2018-11-23 04:20:41,675 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 9702 transitions. Word has length 684 [2018-11-23 04:20:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:41,676 INFO L480 AbstractCegarLoop]: Abstraction has 8009 states and 9702 transitions. [2018-11-23 04:20:41,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:20:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 9702 transitions. [2018-11-23 04:20:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2018-11-23 04:20:41,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:41,692 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:20:41,692 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:41,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:41,692 INFO L82 PathProgramCache]: Analyzing trace with hash 20308394, now seen corresponding path program 1 times [2018-11-23 04:20:41,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:41,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:41,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:41,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:41,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 541 proven. 276 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-23 04:20:42,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:42,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:42,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 745 with the following transitions: [2018-11-23 04:20:42,285 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 04:20:42,288 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:42,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:46,400 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:20:46,400 INFO L272 AbstractInterpreter]: Visited 191 different actions 759 times. Merged at 9 different actions 28 times. Never widened. Performed 8402 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8402 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 04:20:46,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:46,405 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:20:46,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:46,405 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:20:46,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:46,412 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:20:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:46,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2018-11-23 04:20:46,680 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:20:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2018-11-23 04:20:46,873 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:46,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-23 04:20:46,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:46,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:20:46,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:20:46,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:20:46,874 INFO L87 Difference]: Start difference. First operand 8009 states and 9702 transitions. Second operand 3 states. [2018-11-23 04:20:47,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:47,282 INFO L93 Difference]: Finished difference Result 19272 states and 24296 transitions. [2018-11-23 04:20:47,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:20:47,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 744 [2018-11-23 04:20:47,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:47,284 INFO L225 Difference]: With dead ends: 19272 [2018-11-23 04:20:47,284 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:20:47,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1498 GetRequests, 1487 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:20:47,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:20:47,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:20:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:20:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:20:47,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 744 [2018-11-23 04:20:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:47,322 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:20:47,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:20:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:20:47,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:20:47,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:20:47,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,605 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 163 [2018-11-23 04:20:47,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:47,760 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 133 [2018-11-23 04:20:48,525 WARN L180 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2018-11-23 04:20:48,730 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 47 [2018-11-23 04:20:48,922 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 47 [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a21~0)| ~a21~0) (= |old(~a15~0)| ~a15~0)) [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,924 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 04:20:48,925 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,926 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 04:20:48,927 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 04:20:48,928 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,929 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= |old(~a21~0)| ~a21~0)) (.cse5 (= |old(~a15~0)| ~a15~0))) (let ((.cse6 (= 6 |old(~a21~0)|)) (.cse1 (and .cse3 .cse4 .cse5)) (.cse8 (= ~a24~0 1)) (.cse13 (<= (+ |old(~a12~0)| 43) 0)) (.cse10 (= 0 |old(~a21~0)|)) (.cse7 (not (= 1 |old(~a24~0)|))) (.cse11 (not (= 8 |old(~a15~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse9 (= 9 |old(~a21~0)|)) (.cse0 (< 0 (+ |old(~a12~0)| 49))) (.cse2 (= 9 |old(~a15~0)|))) (and (or .cse0 .cse1 (< |old(~a15~0)| 7) .cse2) (or (and .cse3 .cse4 (= 1 ~a24~0) .cse5) (not .cse6) .cse7 (not (= 5 |old(~a15~0)|))) (or .cse8 .cse9 .cse10 .cse0 .cse7 .cse11 .cse12) (or (and (or (not (= 7 |old(~a21~0)|)) .cse11) (or (not (= 10 |old(~a21~0)|)) .cse11)) .cse7 .cse12 .cse8) (or .cse13 .cse1) (or .cse6 .cse1 .cse2) (or .cse6 .cse9 .cse1) (or .cse8 .cse13 .cse10 .cse7 .cse11 .cse12) (or .cse9 (not (= 2 |old(~a24~0)|)) .cse0 (and .cse3 .cse4 (= 2 ~a24~0) .cse5) .cse2)))) [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,930 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 04:20:48,931 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 04:20:48,932 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 04:20:48,933 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,934 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 04:20:48,935 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 04:20:48,936 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 04:20:48,937 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,938 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 04:20:48,939 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-23 04:20:48,940 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:20:48,940 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 04:20:48,940 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= ~a21~0 6))) (.cse0 (not (= ~a15~0 9))) (.cse2 (<= (+ ~a12~0 49) 0))) (or (not (= 8 |old(~a15~0)|)) (< 0 (+ ~a12~0 43)) (and .cse0 .cse1) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= 1 ~a24~0) (= 5 ~a15~0)) (and .cse0 (= 2 ~a24~0) .cse2) (and (not (= ~a21~0 9)) .cse1) (and .cse0 (<= 7 ~a15~0) .cse2) (not (= 1 |old(~a24~0)|)))) [2018-11-23 04:20:48,940 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 04:20:48,940 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= ~a21~0 6))) (.cse0 (not (= ~a15~0 9))) (.cse2 (<= (+ ~a12~0 49) 0))) (or (not (= 8 |old(~a15~0)|)) (< 0 (+ ~a12~0 43)) (and .cse0 .cse1) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= 1 ~a24~0) (= 5 ~a15~0)) (and .cse0 (= 2 ~a24~0) .cse2) (and (not (= ~a21~0 9)) .cse1) (and .cse0 (<= 7 ~a15~0) .cse2) (not (= 1 |old(~a24~0)|)))) [2018-11-23 04:20:48,941 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 04:20:48,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:20:48 BoogieIcfgContainer [2018-11-23 04:20:48,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:20:48,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:20:48,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:20:48,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:20:48,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:19:40" (3/4) ... [2018-11-23 04:20:48,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:20:48,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:20:48,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:20:48,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:20:48,973 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:20:48,974 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:20:48,995 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(8 == \old(a15)) || 0 < a12 + 43) || (!(a15 == 9) && !(a21 == 6))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (1 == a24 && 5 == a15)) || ((!(a15 == 9) && 2 == a24) && a12 + 49 <= 0)) || (!(a21 == 9) && !(a21 == 6))) || ((!(a15 == 9) && 7 <= a15) && a12 + 49 <= 0)) || !(1 == \old(a24)) [2018-11-23 04:20:49,070 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94007c62-2685-4883-8a82-3115ebeccc76/bin-2019/utaipan/witness.graphml [2018-11-23 04:20:49,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:20:49,071 INFO L168 Benchmark]: Toolchain (without parser) took 70003.88 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 951.1 MB in the beginning and 971.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,071 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-23 04:20:49,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,072 INFO L168 Benchmark]: Boogie Preprocessor took 55.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,072 INFO L168 Benchmark]: RCFGBuilder took 999.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 121.5 MB). Peak memory consumption was 121.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,073 INFO L168 Benchmark]: TraceAbstraction took 68298.00 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 988.8 MB in the beginning and 971.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-23 04:20:49,073 INFO L168 Benchmark]: Witness Printer took 120.67 ms. Allocated memory is still 4.9 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:20:49,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 440.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 999.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 121.5 MB). Peak memory consumption was 121.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68298.00 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 988.8 MB in the beginning and 971.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 120.67 ms. Allocated memory is still 4.9 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((!(8 == \old(a15)) || 0 < a12 + 43) || (!(a15 == 9) && !(a21 == 6))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (1 == a24 && 5 == a15)) || ((!(a15 == 9) && 2 == a24) && a12 + 49 <= 0)) || (!(a21 == 9) && !(a21 == 6))) || ((!(a15 == 9) && 7 <= a15) && a12 + 49 <= 0)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 68.2s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 34.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1751 SDtfs, 8186 SDslu, 1196 SDs, 0 SdLazy, 10292 SolverSat, 2295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 4118 GetRequests, 4023 SyntacticMatches, 10 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8009occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 20.7s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.99752045350378 AbsIntWeakeningRatio, 0.08212147134302823 AbsIntAvgWeakeningVarsNumRemoved, 16.04704875962361 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 718 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 191 PreInvPairs, 307 NumberOfFragments, 423 HoareAnnotationTreeSize, 191 FomulaSimplifications, 11069 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8595 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 4892 NumberOfCodeBlocks, 4892 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 6305 ConstructedInterpolants, 0 QuantifiedInterpolants, 12109142 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2024 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 9535/10316 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...