./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/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 cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:45:00,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:45:00,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:45:00,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:45:00,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:45:00,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:45:00,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:45:00,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:45:00,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:45:00,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:45:01,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:45:01,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:45:01,001 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:45:01,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:45:01,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:45:01,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:45:01,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:45:01,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:45:01,007 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:45:01,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:45:01,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:45:01,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:45:01,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:45:01,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:45:01,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:45:01,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:45:01,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:45:01,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:45:01,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:45:01,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:45:01,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:45:01,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:45:01,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:45:01,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:45:01,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:45:01,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:45:01,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:45:01,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:45:01,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:45:01,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:45:01,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:45:01,032 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:45:01,032 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:45:01,032 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:45:01,032 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:45:01,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:45:01,033 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:45:01,033 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:45:01,033 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:45:01,033 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:45:01,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:45:01,034 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:45:01,034 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:45:01,034 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:45:01,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:45:01,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:45:01,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:45:01,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:45:01,037 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:45:01,038 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_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2018-11-18 13:45:01,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:45:01,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:45:01,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:45:01,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:45:01,079 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:45:01,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-11-18 13:45:01,122 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/data/0119fb8ac/3b78d54ead2d4ade86aa4f578233c181/FLAG83dad7ec3 [2018-11-18 13:45:01,502 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:45:01,504 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/sv-benchmarks/c/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-11-18 13:45:01,512 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/data/0119fb8ac/3b78d54ead2d4ade86aa4f578233c181/FLAG83dad7ec3 [2018-11-18 13:45:01,523 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/data/0119fb8ac/3b78d54ead2d4ade86aa4f578233c181 [2018-11-18 13:45:01,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:45:01,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:45:01,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:45:01,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:45:01,531 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:45:01,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f2e7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01, skipping insertion in model container [2018-11-18 13:45:01,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:45:01,572 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:45:01,812 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:45:01,816 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:45:01,878 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:45:01,888 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:45:01,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01 WrapperNode [2018-11-18 13:45:01,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:45:01,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:45:01,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:45:01,889 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:45:01,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:45:01,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:45:01,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:45:01,967 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:45:01,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:01,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:02,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:02,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:02,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... [2018-11-18 13:45:02,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:45:02,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:45:02,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:45:02,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:45:02,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:45:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:45:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:45:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:45:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:45:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:45:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:45:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:45:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:45:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:45:03,053 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:45:03,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:45:03 BoogieIcfgContainer [2018-11-18 13:45:03,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:45:03,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:45:03,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:45:03,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:45:03,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:45:01" (1/3) ... [2018-11-18 13:45:03,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f11e488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:45:03, skipping insertion in model container [2018-11-18 13:45:03,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:01" (2/3) ... [2018-11-18 13:45:03,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f11e488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:45:03, skipping insertion in model container [2018-11-18 13:45:03,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:45:03" (3/3) ... [2018-11-18 13:45:03,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label40_true-unreach-call_false-termination.c [2018-11-18 13:45:03,066 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:45:03,072 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:45:03,081 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:45:03,104 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:45:03,104 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:45:03,104 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:45:03,104 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:45:03,104 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:45:03,105 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:45:03,105 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:45:03,105 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:45:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 13:45:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 13:45:03,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:03,130 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:03,132 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:03,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:03,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1390549688, now seen corresponding path program 1 times [2018-11-18 13:45:03,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:03,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:03,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:03,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:03,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:03,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:45:03,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:45:03,455 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:45:03,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:45:03,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:45:03,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:45:03,469 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 13:45:04,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:04,410 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-18 13:45:04,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:45:04,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2018-11-18 13:45:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:04,423 INFO L225 Difference]: With dead ends: 788 [2018-11-18 13:45:04,423 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 13:45:04,426 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:45:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 13:45:04,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-18 13:45:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 13:45:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-18 13:45:04,479 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 96 [2018-11-18 13:45:04,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:04,480 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-18 13:45:04,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:45:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-18 13:45:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 13:45:04,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:04,484 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 13:45:04,485 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:04,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:04,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1279566395, now seen corresponding path program 1 times [2018-11-18 13:45:04,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:04,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:04,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:04,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:04,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:04,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:45:04,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:45:04,570 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:45:04,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:45:04,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:45:04,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:45:04,573 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 4 states. [2018-11-18 13:45:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:05,274 INFO L93 Difference]: Finished difference Result 1346 states and 2358 transitions. [2018-11-18 13:45:05,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:45:05,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-18 13:45:05,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:05,281 INFO L225 Difference]: With dead ends: 1346 [2018-11-18 13:45:05,281 INFO L226 Difference]: Without dead ends: 969 [2018-11-18 13:45:05,283 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:45:05,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-11-18 13:45:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965. [2018-11-18 13:45:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-18 13:45:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1511 transitions. [2018-11-18 13:45:05,318 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1511 transitions. Word has length 105 [2018-11-18 13:45:05,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:05,318 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1511 transitions. [2018-11-18 13:45:05,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:45:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1511 transitions. [2018-11-18 13:45:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:45:05,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:05,323 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-18 13:45:05,323 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:05,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:05,324 INFO L82 PathProgramCache]: Analyzing trace with hash 366365076, now seen corresponding path program 1 times [2018-11-18 13:45:05,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:05,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:05,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:05,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:05,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:45:05,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:05,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:05,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-11-18 13:45:05,422 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [13], [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], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:05,453 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:05,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:05,751 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:45:05,752 INFO L272 AbstractInterpreter]: Visited 97 different actions 97 times. Never merged. Never widened. Performed 1130 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1130 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 13:45:05,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:05,758 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:45:06,039 INFO L227 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 80.57% of their original sizes. [2018-11-18 13:45:06,039 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:45:06,112 INFO L415 sIntCurrentIteration]: We unified 115 AI predicates to 115 [2018-11-18 13:45:06,113 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:45:06,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:45:06,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-11-18 13:45:06,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:45:06,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:45:06,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:45:06,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:45:06,115 INFO L87 Difference]: Start difference. First operand 965 states and 1511 transitions. Second operand 7 states. [2018-11-18 13:45:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:09,101 INFO L93 Difference]: Finished difference Result 2074 states and 3277 transitions. [2018-11-18 13:45:09,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:45:09,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-11-18 13:45:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:09,104 INFO L225 Difference]: With dead ends: 2074 [2018-11-18 13:45:09,104 INFO L226 Difference]: Without dead ends: 1115 [2018-11-18 13:45:09,106 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:45:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-11-18 13:45:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1112. [2018-11-18 13:45:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-11-18 13:45:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1667 transitions. [2018-11-18 13:45:09,131 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1667 transitions. Word has length 116 [2018-11-18 13:45:09,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:09,131 INFO L480 AbstractCegarLoop]: Abstraction has 1112 states and 1667 transitions. [2018-11-18 13:45:09,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:45:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1667 transitions. [2018-11-18 13:45:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 13:45:09,134 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:09,134 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:09,134 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:09,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:09,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1503068405, now seen corresponding path program 1 times [2018-11-18 13:45:09,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:09,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:09,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:09,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:09,135 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:45:09,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:09,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:09,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-11-18 13:45:09,239 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [13], [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], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:09,242 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:09,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:09,527 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:09,527 INFO L272 AbstractInterpreter]: Visited 102 different actions 297 times. Merged at 7 different actions 15 times. Never widened. Performed 3498 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:45:09,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:09,555 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:09,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:09,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:09,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:09,576 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:09,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:45:09,707 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:45:09,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:09,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-18 13:45:09,803 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:09,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:45:09,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:45:09,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:45:09,804 INFO L87 Difference]: Start difference. First operand 1112 states and 1667 transitions. Second operand 11 states. [2018-11-18 13:45:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:11,590 INFO L93 Difference]: Finished difference Result 3914 states and 6875 transitions. [2018-11-18 13:45:11,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 13:45:11,592 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-11-18 13:45:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:11,606 INFO L225 Difference]: With dead ends: 3914 [2018-11-18 13:45:11,607 INFO L226 Difference]: Without dead ends: 2808 [2018-11-18 13:45:11,616 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-11-18 13:45:11,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2018-11-18 13:45:11,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2659. [2018-11-18 13:45:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2659 states. [2018-11-18 13:45:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3731 transitions. [2018-11-18 13:45:11,731 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3731 transitions. Word has length 126 [2018-11-18 13:45:11,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:11,731 INFO L480 AbstractCegarLoop]: Abstraction has 2659 states and 3731 transitions. [2018-11-18 13:45:11,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:45:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3731 transitions. [2018-11-18 13:45:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:45:11,735 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:11,735 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:11,735 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:11,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:11,735 INFO L82 PathProgramCache]: Analyzing trace with hash -933658751, now seen corresponding path program 1 times [2018-11-18 13:45:11,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:11,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:11,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:11,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:11,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:11,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:11,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:11,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-11-18 13:45:11,818 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:11,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:11,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:11,957 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:45:11,958 INFO L272 AbstractInterpreter]: Visited 100 different actions 194 times. Merged at 5 different actions 5 times. Never widened. Performed 2280 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2280 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 13:45:11,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:11,974 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:45:12,130 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 82.14% of their original sizes. [2018-11-18 13:45:12,130 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:45:12,176 INFO L415 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-11-18 13:45:12,176 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:45:12,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:45:12,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 13:45:12,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:45:12,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:45:12,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:45:12,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:45:12,178 INFO L87 Difference]: Start difference. First operand 2659 states and 3731 transitions. Second operand 10 states. [2018-11-18 13:45:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:16,151 INFO L93 Difference]: Finished difference Result 6130 states and 8766 transitions. [2018-11-18 13:45:16,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:45:16,151 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2018-11-18 13:45:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:16,164 INFO L225 Difference]: With dead ends: 6130 [2018-11-18 13:45:16,164 INFO L226 Difference]: Without dead ends: 3622 [2018-11-18 13:45:16,172 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:45:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2018-11-18 13:45:16,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3558. [2018-11-18 13:45:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3558 states. [2018-11-18 13:45:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4774 transitions. [2018-11-18 13:45:16,260 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4774 transitions. Word has length 137 [2018-11-18 13:45:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:16,261 INFO L480 AbstractCegarLoop]: Abstraction has 3558 states and 4774 transitions. [2018-11-18 13:45:16,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:45:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4774 transitions. [2018-11-18 13:45:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 13:45:16,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:16,266 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:16,266 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:16,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:16,267 INFO L82 PathProgramCache]: Analyzing trace with hash -2047904833, now seen corresponding path program 1 times [2018-11-18 13:45:16,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:16,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:16,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:16,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:16,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:16,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:16,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:16,348 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-18 13:45:16,348 INFO L202 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], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:16,351 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:16,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:16,500 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:16,500 INFO L272 AbstractInterpreter]: Visited 101 different actions 297 times. Merged at 7 different actions 18 times. Never widened. Performed 3560 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3560 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:45:16,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:16,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:16,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:16,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:16,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:16,507 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:16,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:16,594 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:16,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:16,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:45:16,744 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:16,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:45:16,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:45:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:45:16,745 INFO L87 Difference]: Start difference. First operand 3558 states and 4774 transitions. Second operand 9 states. [2018-11-18 13:45:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:17,378 INFO L93 Difference]: Finished difference Result 7401 states and 10158 transitions. [2018-11-18 13:45:17,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:45:17,382 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2018-11-18 13:45:17,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:17,395 INFO L225 Difference]: With dead ends: 7401 [2018-11-18 13:45:17,395 INFO L226 Difference]: Without dead ends: 3994 [2018-11-18 13:45:17,404 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:45:17,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2018-11-18 13:45:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3979. [2018-11-18 13:45:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3979 states. [2018-11-18 13:45:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 5204 transitions. [2018-11-18 13:45:17,488 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 5204 transitions. Word has length 142 [2018-11-18 13:45:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:17,488 INFO L480 AbstractCegarLoop]: Abstraction has 3979 states and 5204 transitions. [2018-11-18 13:45:17,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:45:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 5204 transitions. [2018-11-18 13:45:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 13:45:17,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:17,494 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:17,494 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:17,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:17,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2024167671, now seen corresponding path program 1 times [2018-11-18 13:45:17,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:17,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:17,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:17,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:17,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:45:17,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:17,588 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:17,588 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 13:45:17,589 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [91], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:17,591 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:17,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:17,747 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:17,747 INFO L272 AbstractInterpreter]: Visited 102 different actions 302 times. Merged at 8 different actions 20 times. Never widened. Performed 3739 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3739 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:45:17,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:17,750 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:17,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:17,751 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:17,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:17,757 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:17,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:45:17,867 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:45:18,021 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:18,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:45:18,022 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:18,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:45:18,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:45:18,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:45:18,023 INFO L87 Difference]: Start difference. First operand 3979 states and 5204 transitions. Second operand 9 states. [2018-11-18 13:45:19,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:19,663 INFO L93 Difference]: Finished difference Result 11311 states and 15769 transitions. [2018-11-18 13:45:19,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 13:45:19,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2018-11-18 13:45:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:19,669 INFO L225 Difference]: With dead ends: 11311 [2018-11-18 13:45:19,670 INFO L226 Difference]: Without dead ends: 2524 [2018-11-18 13:45:19,690 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:45:19,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2524 states. [2018-11-18 13:45:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2524 to 2276. [2018-11-18 13:45:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2276 states. [2018-11-18 13:45:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 2578 transitions. [2018-11-18 13:45:19,733 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 2578 transitions. Word has length 160 [2018-11-18 13:45:19,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:19,734 INFO L480 AbstractCegarLoop]: Abstraction has 2276 states and 2578 transitions. [2018-11-18 13:45:19,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:45:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2578 transitions. [2018-11-18 13:45:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 13:45:19,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:19,739 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-18 13:45:19,739 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:19,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash 583875016, now seen corresponding path program 1 times [2018-11-18 13:45:19,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:19,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:19,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:19,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 142 proven. 122 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:45:19,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:19,885 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:19,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 241 with the following transitions: [2018-11-18 13:45:19,885 INFO L202 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], [128], [131], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:19,887 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:19,888 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:20,149 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:20,150 INFO L272 AbstractInterpreter]: Visited 105 different actions 515 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 6147 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:45:20,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:20,151 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:20,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:20,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:20,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:20,158 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:20,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 216 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 13:45:20,266 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 188 proven. 36 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 13:45:20,343 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:20,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-18 13:45:20,343 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:20,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 13:45:20,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 13:45:20,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:45:20,344 INFO L87 Difference]: Start difference. First operand 2276 states and 2578 transitions. Second operand 13 states. [2018-11-18 13:45:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:21,163 INFO L93 Difference]: Finished difference Result 4814 states and 5542 transitions. [2018-11-18 13:45:21,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:45:21,164 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2018-11-18 13:45:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:21,167 INFO L225 Difference]: With dead ends: 4814 [2018-11-18 13:45:21,167 INFO L226 Difference]: Without dead ends: 2246 [2018-11-18 13:45:21,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 492 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 13:45:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2018-11-18 13:45:21,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2125. [2018-11-18 13:45:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2018-11-18 13:45:21,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2392 transitions. [2018-11-18 13:45:21,195 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2392 transitions. Word has length 240 [2018-11-18 13:45:21,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:21,195 INFO L480 AbstractCegarLoop]: Abstraction has 2125 states and 2392 transitions. [2018-11-18 13:45:21,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 13:45:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2392 transitions. [2018-11-18 13:45:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:45:21,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:21,198 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:21,198 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:21,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash 423656167, now seen corresponding path program 1 times [2018-11-18 13:45:21,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:21,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:21,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:21,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:21,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 232 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:21,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:21,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:21,595 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-18 13:45:21,595 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [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], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:21,596 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:21,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:21,781 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:21,781 INFO L272 AbstractInterpreter]: Visited 104 different actions 404 times. Merged at 8 different actions 28 times. Never widened. Performed 4954 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4954 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:45:21,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:21,782 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:21,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:21,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:21,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:21,788 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:21,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 13:45:21,922 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 13:45:22,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:22,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-11-18 13:45:22,039 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:22,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 13:45:22,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 13:45:22,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:45:22,040 INFO L87 Difference]: Start difference. First operand 2125 states and 2392 transitions. Second operand 20 states. [2018-11-18 13:45:26,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:26,675 INFO L93 Difference]: Finished difference Result 4462 states and 5342 transitions. [2018-11-18 13:45:26,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-11-18 13:45:26,676 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 246 [2018-11-18 13:45:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:26,680 INFO L225 Difference]: With dead ends: 4462 [2018-11-18 13:45:26,681 INFO L226 Difference]: Without dead ends: 2632 [2018-11-18 13:45:26,683 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 518 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1867 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1235, Invalid=4927, Unknown=0, NotChecked=0, Total=6162 [2018-11-18 13:45:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2018-11-18 13:45:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2335. [2018-11-18 13:45:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2018-11-18 13:45:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2626 transitions. [2018-11-18 13:45:26,716 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2626 transitions. Word has length 246 [2018-11-18 13:45:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:26,716 INFO L480 AbstractCegarLoop]: Abstraction has 2335 states and 2626 transitions. [2018-11-18 13:45:26,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 13:45:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2626 transitions. [2018-11-18 13:45:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-18 13:45:26,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:45:26,721 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:45:26,721 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:45:26,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:26,721 INFO L82 PathProgramCache]: Analyzing trace with hash 839734929, now seen corresponding path program 1 times [2018-11-18 13:45:26,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:45:26,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:26,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:26,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:45:26,722 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:45:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 13:45:26,839 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:26,839 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:45:26,839 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-11-18 13:45:26,839 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [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], [128], [131], [132], [136], [140], [144], [148], [152], [156], [159], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:45:26,841 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:45:26,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:45:27,009 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:45:27,009 INFO L272 AbstractInterpreter]: Visited 105 different actions 411 times. Merged at 9 different actions 31 times. Never widened. Performed 5025 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5025 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-18 13:45:27,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:45:27,022 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:45:27,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:45:27,022 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:45:27,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:45:27,035 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:45:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:27,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 13:45:27,125 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:45:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 13:45:27,216 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:45:27,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 13:45:27,216 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:45:27,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:45:27,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:45:27,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:45:27,217 INFO L87 Difference]: Start difference. First operand 2335 states and 2626 transitions. Second operand 6 states. [2018-11-18 13:45:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:45:27,549 INFO L93 Difference]: Finished difference Result 4358 states and 4968 transitions. [2018-11-18 13:45:27,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:45:27,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2018-11-18 13:45:27,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:45:27,551 INFO L225 Difference]: With dead ends: 4358 [2018-11-18 13:45:27,551 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:45:27,555 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 581 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:45:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:45:27,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:45:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:45:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:45:27,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2018-11-18 13:45:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:45:27,558 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:45:27,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:45:27,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:45:27,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:45:27,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:45:27,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:45:27,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:45:27,986 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 206 [2018-11-18 13:45:28,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:45:28,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:45:28,247 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2018-11-18 13:45:28,819 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 58 [2018-11-18 13:45:29,383 WARN L180 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 48 [2018-11-18 13:45:29,932 WARN L180 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 48 [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,934 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,935 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 13:45:29,936 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 13:45:29,937 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,938 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 13:45:29,940 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 13:45:29,941 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,942 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 13:45:29,943 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 13:45:29,944 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,945 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,946 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= 1 |old(~a11~0)|)) (.cse6 (= |old(~a17~0)| ~a17~0)) (.cse7 (= |old(~a25~0)| ~a25~0)) (.cse8 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (and (= ~a11~0 |old(~a11~0)|) .cse6 .cse7 .cse8)) (.cse2 (< 7 |old(~a17~0)|)) (.cse10 (not .cse0)) (.cse5 (= 1 ~a11~0)) (.cse3 (< 10 |old(~a28~0)|)) (.cse9 (< 8 |old(~a17~0)|)) (.cse11 (not (= 1 ~a21~0))) (.cse4 (and .cse0 (= |old(~a11~0)| |old(~a19~0)|))) (.cse12 (= |old(~a11~0)| ~a11~0)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 (not (= 1 ~a19~0))) .cse9 .cse10) (or .cse3 .cse1 .cse2) (or .cse3 (= 7 |old(~a28~0)|) .cse9 .cse10 (and .cse5 .cse6 .cse7 .cse8)) (or .cse3 .cse11 .cse0 (and .cse12 (= ~a17~0 |old(~a17~0)|) .cse13 .cse8 .cse14) .cse9) (or .cse11 .cse4 (not (= 1 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and .cse12 (= 8 ~a17~0) .cse13 .cse8 .cse14) (not (= 8 |old(~a17~0)|)))))) [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 13:45:29,947 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 13:45:29,948 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 13:45:29,949 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:45:29,950 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L421 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)) [2018-11-18 13:45:29,951 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L421 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)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (and (and .cse0 (not .cse1)) .cse2 .cse3) (and .cse2 (not (= 7 ~a28~0)) .cse3 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and (and .cse5 (= 1 ~a25~0) .cse0) .cse1) (and .cse4 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse5 (= |old(~a17~0)| ~a17~0) .cse3) (not (= 0 |old(~a25~0)|)))) [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:45:29,951 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (and (and .cse0 (not .cse1)) .cse2 .cse3) (and .cse2 (not (= 7 ~a28~0)) .cse3 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and (and .cse5 (= 1 ~a25~0) .cse0) .cse1) (and .cse4 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse5 (= |old(~a17~0)| ~a17~0) .cse3) (not (= 0 |old(~a25~0)|)))) [2018-11-18 13:45:29,952 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 13:45:29,952 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 13:45:29,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:45:29 BoogieIcfgContainer [2018-11-18 13:45:29,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:45:29,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:45:29,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:45:29,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:45:29,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:45:03" (3/4) ... [2018-11-18 13:45:29,980 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:45:29,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:45:29,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:45:29,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:45:29,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:45:29,994 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:45:30,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || (((a17 <= 8 && !(1 == a19)) && 1 == a11) && a28 <= 10)) || (((1 == a11 && !(7 == a28)) && a28 <= 10) && a17 <= 8)) || !(0 == \old(a11))) || (a17 <= 7 && a11 == \old(a11))) || (((a11 == \old(a11) && 1 == a25) && a17 <= 8) && 1 == a19)) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(7 == \old(a28))) || ((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10)) || !(0 == \old(a25)) [2018-11-18 13:45:30,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b8f3ee7c-8571-42ca-b67b-92ebfa966fef/bin-2019/utaipan/witness.graphml [2018-11-18 13:45:30,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:45:30,076 INFO L168 Benchmark]: Toolchain (without parser) took 28550.03 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 957.5 MB in the beginning and 1.8 GB in the end (delta: -794.4 MB). Peak memory consumption was 449.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,077 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:45:30,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.95 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -251.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,077 INFO L168 Benchmark]: Boogie Preprocessor took 52.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,078 INFO L168 Benchmark]: RCFGBuilder took 1033.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,078 INFO L168 Benchmark]: TraceAbstraction took 26913.45 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -712.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,078 INFO L168 Benchmark]: Witness Printer took 107.75 ms. Allocated memory is still 2.3 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:45:30,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.95 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -251.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1033.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26913.45 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -712.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 107.75 ms. Allocated memory is still 2.3 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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) || (((a17 <= 8 && !(1 == a19)) && 1 == a11) && a28 <= 10)) || (((1 == a11 && !(7 == a28)) && a28 <= 10) && a17 <= 8)) || !(0 == \old(a11))) || (a17 <= 7 && a11 == \old(a11))) || (((a11 == \old(a11) && 1 == a25) && a17 <= 8) && 1 == a19)) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(7 == \old(a28))) || ((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 26.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 18.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1439 SDtfs, 11847 SDslu, 2420 SDs, 0 SdLazy, 16838 SolverSat, 3468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2920 GetRequests, 2704 SyntacticMatches, 12 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2401 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3979occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9967119178626094 AbsIntWeakeningRatio, 0.26693227091633465 AbsIntAvgWeakeningVarsNumRemoved, 25.9800796812749 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1063 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 263 NumberOfFragments, 449 HoareAnnotationTreeSize, 161 FomulaSimplifications, 9092 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20666 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2862 NumberOfCodeBlocks, 2862 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4044 ConstructedInterpolants, 0 QuantifiedInterpolants, 2371745 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3043 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 3374/3615 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...