./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:39:15,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:39:15,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:39:15,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:39:15,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:39:15,063 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:39:15,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:39:15,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:39:15,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:39:15,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:39:15,066 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:39:15,066 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:39:15,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:39:15,067 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:39:15,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:39:15,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:39:15,068 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:39:15,069 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:39:15,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:39:15,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:39:15,071 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:39:15,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:39:15,073 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:39:15,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:39:15,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:39:15,073 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:39:15,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:39:15,074 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:39:15,075 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:39:15,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:39:15,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:39:15,075 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:39:15,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:39:15,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:39:15,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:39:15,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:39:15,077 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:39:15,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:39:15,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:39:15,084 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:39:15,084 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:39:15,084 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:39:15,084 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:39:15,084 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:39:15,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:39:15,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:39:15,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:39:15,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:39:15,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:39:15,087 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:39:15,087 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_56132446-76a5-492c-b20a-c1e74c460ce8/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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2018-12-09 19:39:15,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:39:15,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:39:15,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:39:15,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:39:15,113 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:39:15,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-12-09 19:39:15,146 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/data/b7bfaf9cd/d37a8ecd6c82465f96c785b4cc47315a/FLAGa2bd2ff4e [2018-12-09 19:39:15,572 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:39:15,572 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-12-09 19:39:15,579 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/data/b7bfaf9cd/d37a8ecd6c82465f96c785b4cc47315a/FLAGa2bd2ff4e [2018-12-09 19:39:15,588 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/data/b7bfaf9cd/d37a8ecd6c82465f96c785b4cc47315a [2018-12-09 19:39:15,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:39:15,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:39:15,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:39:15,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:39:15,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:39:15,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15, skipping insertion in model container [2018-12-09 19:39:15,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:39:15,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:39:15,825 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:39:15,829 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:39:15,931 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:39:15,941 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:39:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15 WrapperNode [2018-12-09 19:39:15,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:39:15,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:39:15,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:39:15,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:39:15,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:39:15,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:39:15,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:39:15,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:39:15,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:15,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:16,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:16,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... [2018-12-09 19:39:16,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:39:16,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:39:16,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:39:16,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:39:16,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/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 [2018-12-09 19:39:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:39:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:39:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:39:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:39:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:39:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:39:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:39:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:39:16,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:39:16,604 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:39:16,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:39:16 BoogieIcfgContainer [2018-12-09 19:39:16,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:39:16,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:39:16,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:39:16,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:39:16,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:39:15" (1/3) ... [2018-12-09 19:39:16,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:39:16, skipping insertion in model container [2018-12-09 19:39:16,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:39:15" (2/3) ... [2018-12-09 19:39:16,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:39:16, skipping insertion in model container [2018-12-09 19:39:16,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:39:16" (3/3) ... [2018-12-09 19:39:16,610 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35_true-unreach-call_false-termination.c [2018-12-09 19:39:16,616 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:39:16,622 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:39:16,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:39:16,657 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:39:16,657 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:39:16,657 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:39:16,657 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:39:16,657 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:39:16,657 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:39:16,657 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:39:16,658 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:39:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 19:39:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:39:16,682 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:16,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:39:16,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:16,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2018-12-09 19:39:16,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:16,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:16,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:16,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:16,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:39:16,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:39:16,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:39:16,961 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:16,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:39:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:39:16,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:39:16,975 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 19:39:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:17,386 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-09 19:39:17,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:39:17,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-12-09 19:39:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:17,397 INFO L225 Difference]: With dead ends: 624 [2018-12-09 19:39:17,397 INFO L226 Difference]: Without dead ends: 326 [2018-12-09 19:39:17,401 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 [2018-12-09 19:39:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-09 19:39:17,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-09 19:39:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 19:39:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-09 19:39:17,442 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 100 [2018-12-09 19:39:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:17,442 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-09 19:39:17,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:39:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-09 19:39:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:39:17,445 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:17,445 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:39:17,445 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:17,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:17,445 INFO L82 PathProgramCache]: Analyzing trace with hash 937720225, now seen corresponding path program 1 times [2018-12-09 19:39:17,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:17,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:17,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:17,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:17,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:39:17,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:39:17,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:39:17,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:17,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:39:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:39:17,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:39:17,505 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 3 states. [2018-12-09 19:39:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:17,776 INFO L93 Difference]: Finished difference Result 927 states and 1371 transitions. [2018-12-09 19:39:17,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:39:17,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-12-09 19:39:17,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:17,779 INFO L225 Difference]: With dead ends: 927 [2018-12-09 19:39:17,779 INFO L226 Difference]: Without dead ends: 612 [2018-12-09 19:39:17,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:39:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-09 19:39:17,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-12-09 19:39:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-12-09 19:39:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 797 transitions. [2018-12-09 19:39:17,800 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 797 transitions. Word has length 108 [2018-12-09 19:39:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:17,801 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 797 transitions. [2018-12-09 19:39:17,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:39:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 797 transitions. [2018-12-09 19:39:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:39:17,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:17,803 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:39:17,803 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:17,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:17,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1220059375, now seen corresponding path program 1 times [2018-12-09 19:39:17,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:17,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:17,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:17,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:17,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:39:17,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:39:17,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:39:17,847 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:17,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:39:17,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:39:17,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:39:17,848 INFO L87 Difference]: Start difference. First operand 612 states and 797 transitions. Second operand 3 states. [2018-12-09 19:39:18,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:18,121 INFO L93 Difference]: Finished difference Result 1794 states and 2385 transitions. [2018-12-09 19:39:18,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:39:18,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-09 19:39:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:18,126 INFO L225 Difference]: With dead ends: 1794 [2018-12-09 19:39:18,126 INFO L226 Difference]: Without dead ends: 1188 [2018-12-09 19:39:18,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:39:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2018-12-09 19:39:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1044. [2018-12-09 19:39:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-12-09 19:39:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1361 transitions. [2018-12-09 19:39:18,153 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1361 transitions. Word has length 113 [2018-12-09 19:39:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:18,154 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 1361 transitions. [2018-12-09 19:39:18,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:39:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1361 transitions. [2018-12-09 19:39:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 19:39:18,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:18,156 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:39:18,157 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:18,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1877121071, now seen corresponding path program 1 times [2018-12-09 19:39:18,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:18,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:18,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:18,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:18,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:39:18,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:18,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:39:18,221 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-09 19:39:18,222 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:39:18,245 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:39:18,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:39:18,458 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:39:18,459 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 1158 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 19:39:18,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:18,466 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:39:18,650 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 80.6% of their original sizes. [2018-12-09 19:39:18,650 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:39:18,675 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-09 19:39:18,675 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:39:18,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:39:18,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 19:39:18,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:18,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:39:18,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:39:18,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:39:18,676 INFO L87 Difference]: Start difference. First operand 1044 states and 1361 transitions. Second operand 6 states. [2018-12-09 19:39:20,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:20,650 INFO L93 Difference]: Finished difference Result 2230 states and 2919 transitions. [2018-12-09 19:39:20,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:39:20,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-12-09 19:39:20,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:20,654 INFO L225 Difference]: With dead ends: 2230 [2018-12-09 19:39:20,654 INFO L226 Difference]: Without dead ends: 1192 [2018-12-09 19:39:20,656 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:39:20,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-12-09 19:39:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1190. [2018-12-09 19:39:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-09 19:39:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1520 transitions. [2018-12-09 19:39:20,677 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1520 transitions. Word has length 144 [2018-12-09 19:39:20,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:20,677 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1520 transitions. [2018-12-09 19:39:20,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:39:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1520 transitions. [2018-12-09 19:39:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 19:39:20,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:20,680 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:39:20,680 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:20,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:20,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1338575403, now seen corresponding path program 1 times [2018-12-09 19:39:20,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:20,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:20,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:20,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:20,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:39:20,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:20,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:39:20,785 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-09 19:39:20,786 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:39:20,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:39:20,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:39:21,045 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:39:21,045 INFO L272 AbstractInterpreter]: Visited 104 different actions 304 times. Merged at 6 different actions 12 times. Never widened. Performed 3649 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3649 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:39:21,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:21,047 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:39:21,190 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 84.05% of their original sizes. [2018-12-09 19:39:21,190 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:39:21,240 INFO L418 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-12-09 19:39:21,240 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:39:21,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:39:21,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-09 19:39:21,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:21,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:39:21,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:39:21,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:39:21,241 INFO L87 Difference]: Start difference. First operand 1190 states and 1520 transitions. Second operand 10 states. [2018-12-09 19:39:24,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:24,416 INFO L93 Difference]: Finished difference Result 3272 states and 4401 transitions. [2018-12-09 19:39:24,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 19:39:24,416 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-12-09 19:39:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:24,420 INFO L225 Difference]: With dead ends: 3272 [2018-12-09 19:39:24,420 INFO L226 Difference]: Without dead ends: 2088 [2018-12-09 19:39:24,422 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:39:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2018-12-09 19:39:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2075. [2018-12-09 19:39:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2018-12-09 19:39:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2704 transitions. [2018-12-09 19:39:24,447 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2704 transitions. Word has length 149 [2018-12-09 19:39:24,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:24,447 INFO L480 AbstractCegarLoop]: Abstraction has 2075 states and 2704 transitions. [2018-12-09 19:39:24,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:39:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2704 transitions. [2018-12-09 19:39:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 19:39:24,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:24,450 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:39:24,450 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:24,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:24,451 INFO L82 PathProgramCache]: Analyzing trace with hash 180265691, now seen corresponding path program 1 times [2018-12-09 19:39:24,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:24,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:24,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:24,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:24,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 25 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:39:24,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:24,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:39:24,517 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-09 19:39:24,517 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:39:24,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:39:24,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:39:24,688 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:39:24,689 INFO L272 AbstractInterpreter]: Visited 106 different actions 420 times. Merged at 7 different actions 26 times. Never widened. Performed 5148 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5148 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:39:24,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:24,690 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:39:24,807 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 86.4% of their original sizes. [2018-12-09 19:39:24,808 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:39:24,861 INFO L418 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-12-09 19:39:24,861 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:39:24,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:39:24,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-12-09 19:39:24,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:39:24,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:39:24,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:39:24,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:39:24,862 INFO L87 Difference]: Start difference. First operand 2075 states and 2704 transitions. Second operand 10 states. [2018-12-09 19:39:27,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:27,695 INFO L93 Difference]: Finished difference Result 5801 states and 7758 transitions. [2018-12-09 19:39:27,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-09 19:39:27,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 168 [2018-12-09 19:39:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:27,702 INFO L225 Difference]: With dead ends: 5801 [2018-12-09 19:39:27,702 INFO L226 Difference]: Without dead ends: 3128 [2018-12-09 19:39:27,705 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:39:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2018-12-09 19:39:27,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 2953. [2018-12-09 19:39:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2953 states. [2018-12-09 19:39:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 3765 transitions. [2018-12-09 19:39:27,743 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 3765 transitions. Word has length 168 [2018-12-09 19:39:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:27,743 INFO L480 AbstractCegarLoop]: Abstraction has 2953 states and 3765 transitions. [2018-12-09 19:39:27,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:39:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3765 transitions. [2018-12-09 19:39:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 19:39:27,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:27,748 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:39:27,748 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:27,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash -997526128, now seen corresponding path program 1 times [2018-12-09 19:39:27,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:27,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:27,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:27,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:27,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:39:27,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:27,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:39:27,818 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-12-09 19:39:27,818 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:39:27,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:39:27,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:39:28,046 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:39:28,046 INFO L272 AbstractInterpreter]: Visited 108 different actions 420 times. Merged at 7 different actions 25 times. Never widened. Performed 5227 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5227 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:39:28,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:28,049 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:39:28,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:28,050 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/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 [2018-12-09 19:39:28,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:28,056 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:39:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:28,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:39:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 19:39:28,158 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:39:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:39:28,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:39:28,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 19:39:28,222 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:39:28,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:39:28,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:39:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:39:28,223 INFO L87 Difference]: Start difference. First operand 2953 states and 3765 transitions. Second operand 9 states. [2018-12-09 19:39:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:28,690 INFO L93 Difference]: Finished difference Result 7021 states and 9074 transitions. [2018-12-09 19:39:28,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:39:28,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2018-12-09 19:39:28,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:28,698 INFO L225 Difference]: With dead ends: 7021 [2018-12-09 19:39:28,698 INFO L226 Difference]: Without dead ends: 4074 [2018-12-09 19:39:28,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 421 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:39:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2018-12-09 19:39:28,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 3900. [2018-12-09 19:39:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3900 states. [2018-12-09 19:39:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 4943 transitions. [2018-12-09 19:39:28,748 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 4943 transitions. Word has length 211 [2018-12-09 19:39:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:28,748 INFO L480 AbstractCegarLoop]: Abstraction has 3900 states and 4943 transitions. [2018-12-09 19:39:28,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:39:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4943 transitions. [2018-12-09 19:39:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 19:39:28,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:39:28,753 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:39:28,754 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:39:28,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:28,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1583739843, now seen corresponding path program 1 times [2018-12-09 19:39:28,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:39:28,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:28,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:28,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:39:28,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:39:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 116 proven. 34 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:39:28,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:28,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:39:28,833 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-12-09 19:39:28,833 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:39:28,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:39:28,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:39:28,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:39:28,961 INFO L272 AbstractInterpreter]: Visited 109 different actions 319 times. Merged at 8 different actions 18 times. Never widened. Performed 3927 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3927 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:39:28,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:39:28,963 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:39:28,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:39:28,963 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/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 [2018-12-09 19:39:28,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:39:28,969 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:39:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:39:29,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:39:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 19:39:29,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:39:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 19:39:29,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:39:29,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-09 19:39:29,178 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:39:29,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 19:39:29,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 19:39:29,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:39:29,179 INFO L87 Difference]: Start difference. First operand 3900 states and 4943 transitions. Second operand 11 states. [2018-12-09 19:39:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:39:30,487 INFO L93 Difference]: Finished difference Result 6551 states and 8184 transitions. [2018-12-09 19:39:30,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 19:39:30,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2018-12-09 19:39:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:39:30,487 INFO L225 Difference]: With dead ends: 6551 [2018-12-09 19:39:30,487 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:39:30,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-09 19:39:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:39:30,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:39:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:39:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:39:30,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-12-09 19:39:30,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:39:30,493 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:39:30,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 19:39:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:39:30,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:39:30,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:39:30,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:39:31,312 WARN L180 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2018-12-09 19:39:31,433 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-12-09 19:39:31,540 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 44 [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,542 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,543 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 19:39:31,544 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 19:39:31,545 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 19:39:31,546 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 19:39:31,547 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:39:31,548 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 19:39:31,549 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 19:39:31,550 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 19:39:31,551 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,552 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (not (= 1 ~a21~0))) (.cse2 (= 0 |old(~a28~0)|)) (.cse19 (= ~a25~0 1)) (.cse12 (= 1 |old(~a25~0)|)) (.cse16 (not (= 1 |old(~a19~0)|)))) (let ((.cse4 (= |old(~a19~0)| ~a19~0)) (.cse14 (= 1 ~a11~0)) (.cse18 (= ~a19~0 1)) (.cse20 (and (or (not .cse12) (not (= 0 |old(~a19~0)|))) .cse16)) (.cse0 (< 10 |old(~a28~0)|)) (.cse9 (< 0 |old(~a19~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse11 (not .cse19)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse5 (= ~a11~0 0)) (.cse6 (= ~a17~0 8)) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse17 (and (or .cse1 (not (= 10 |old(~a28~0)|))) (or .cse1 .cse16 .cse2))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse13 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9 .cse10) (or .cse0 .cse1 .cse2 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 .cse13 (and (not (= ~a28~0 0)) .cse14 .cse6) .cse2 .cse8 .cse10) (or (and (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4 .cse14) .cse0 .cse13 .cse15) (or .cse0 .cse11 .cse16 .cse13 .cse15 .cse12) (or .cse13 .cse17 .cse8 .cse10 (or (= ~a28~0 10) .cse18)) (or (or .cse18 (and (= ~a19~0 0) .cse19)) .cse20 .cse7 .cse17 .cse8 .cse10) (or .cse11 .cse20 .cse7 .cse17 .cse8 .cse10 .cse12) (or (<= 1 ~a19~0) .cse20 .cse7 .cse17 .cse8 .cse10 (< |old(~a19~0)| 1)) (or (or .cse0 .cse13 .cse12) .cse9 .cse11 .cse15) (or .cse1 (not (= 7 |old(~a28~0)|)) .cse16 .cse7 (= ~a25~0 0) .cse8 .cse10 (not (= 0 |old(~a25~0)|))) (or .cse1 .cse11 .cse2 .cse8 .cse10 .cse13 .cse12) (or .cse16 (and .cse3 .cse5 .cse6) .cse7 .cse17 .cse8 .cse10) (or .cse16 (= 1 ~a19~0) .cse17 .cse8 .cse10 .cse13 .cse12)))) [2018-12-09 19:39:31,552 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 19:39:31,553 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 19:39:31,554 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 19:39:31,555 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:39:31,556 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 19:39:31,556 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:39:31,556 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:39:31,557 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-09 19:39:31,557 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a11~0)) (.cse2 (<= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a19~0 0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse4 .cse2) (not (= 1 |old(~a19~0)|)) (and (and .cse0 .cse1 .cse3) (= 1 ~a19~0)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 19:39:31,557 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:39:31,557 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:39:31,557 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse4 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse2 .cse4) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse0 .cse1 .cse3 (= ~a19~0 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse0 (<= ~a19~0 0) .cse1 .cse4 .cse3))) [2018-12-09 19:39:31,557 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 19:39:31,557 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 19:39:31,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:39:31 BoogieIcfgContainer [2018-12-09 19:39:31,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:39:31,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:39:31,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:39:31,566 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:39:31,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:39:16" (3/4) ... [2018-12-09 19:39:31,569 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:39:31,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:39:31,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:39:31,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:39:31,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:39:31,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:39:31,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && 1 == a19)) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 19:39:31,648 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56132446-76a5-492c-b20a-c1e74c460ce8/bin-2019/utaipan/witness.graphml [2018-12-09 19:39:31,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:39:31,649 INFO L168 Benchmark]: Toolchain (without parser) took 16058.77 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 918.6 MB). Free memory was 945.3 MB in the beginning and 907.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 956.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,649 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:39:31,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,650 INFO L168 Benchmark]: Boogie Preprocessor took 46.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,650 INFO L168 Benchmark]: RCFGBuilder took 593.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.5 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,650 INFO L168 Benchmark]: TraceAbstraction took 14959.79 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 816.8 MB). Free memory was 977.5 MB in the beginning and 927.6 MB in the end (delta: 49.9 MB). Peak memory consumption was 866.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,651 INFO L168 Benchmark]: Witness Printer took 82.51 ms. Allocated memory is still 1.9 GB. Free memory was 927.6 MB in the beginning and 907.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:39:31,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 593.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.5 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14959.79 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 816.8 MB). Free memory was 977.5 MB in the beginning and 927.6 MB in the end (delta: 49.9 MB). Peak memory consumption was 866.7 MB. Max. memory is 11.5 GB. * Witness Printer took 82.51 ms. Allocated memory is still 1.9 GB. Free memory was 927.6 MB in the beginning and 907.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && 1 == a19)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 783 SDtfs, 5694 SDslu, 756 SDs, 0 SdLazy, 7504 SolverSat, 1465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1395 GetRequests, 1299 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3900occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9963994135732668 AbsIntWeakeningRatio, 0.2445414847161572 AbsIntAvgWeakeningVarsNumRemoved, 24.23580786026201 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 513 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 158 NumberOfFragments, 777 HoareAnnotationTreeSize, 110 FomulaSimplifications, 3575 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2771 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1628 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2039 ConstructedInterpolants, 0 QuantifiedInterpolants, 640170 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1080 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1056/1226 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...