./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:47:59,932 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:47:59,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:47:59,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:47:59,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:47:59,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:47:59,941 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:47:59,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:47:59,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:47:59,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:47:59,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:47:59,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:47:59,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:47:59,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:47:59,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:47:59,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:47:59,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:47:59,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:47:59,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:47:59,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:47:59,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:47:59,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:47:59,953 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:47:59,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:47:59,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:47:59,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:47:59,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:47:59,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:47:59,955 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:47:59,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:47:59,956 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:47:59,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:47:59,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:47:59,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:47:59,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:47:59,958 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:47:59,959 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:47:59,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:47:59,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:47:59,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:47:59,967 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:47:59,967 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:47:59,968 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:47:59,968 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:47:59,968 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:47:59,968 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:47:59,968 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:47:59,969 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:47:59,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:47:59,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:47:59,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:47:59,971 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:47:59,971 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_86932549-df4d-4145-88d6-5de43938c0de/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-23 01:47:59,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:48:00,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:48:00,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:48:00,009 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:48:00,009 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:48:00,009 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 01:48:00,058 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/data/9226b5cda/327214f6a0344c07a39e5a83e08eee5f/FLAGf49e061b3 [2018-11-23 01:48:00,519 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:48:00,520 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 01:48:00,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/data/9226b5cda/327214f6a0344c07a39e5a83e08eee5f/FLAGf49e061b3 [2018-11-23 01:48:00,542 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/data/9226b5cda/327214f6a0344c07a39e5a83e08eee5f [2018-11-23 01:48:00,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:48:00,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:48:00,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:48:00,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:48:00,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:48:00,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4007e260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00, skipping insertion in model container [2018-11-23 01:48:00,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:48:00,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:48:00,822 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:48:00,826 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:48:00,892 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:48:00,904 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:48:00,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00 WrapperNode [2018-11-23 01:48:00,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:48:00,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:48:00,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:48:00,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:48:00,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:48:00,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:48:00,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:48:00,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:48:00,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:00,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:01,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:01,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:01,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... [2018-11-23 01:48:01,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:48:01,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:48:01,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:48:01,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:48:01,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:48:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:48:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:48:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:48:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 01:48:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 01:48:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:48:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:48:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:48:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:48:01,833 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:48:01,833 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:48:01,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:01 BoogieIcfgContainer [2018-11-23 01:48:01,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:48:01,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:48:01,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:48:01,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:48:01,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:48:00" (1/3) ... [2018-11-23 01:48:01,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554824be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:01, skipping insertion in model container [2018-11-23 01:48:01,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:00" (2/3) ... [2018-11-23 01:48:01,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554824be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:01, skipping insertion in model container [2018-11-23 01:48:01,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:01" (3/3) ... [2018-11-23 01:48:01,839 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 01:48:01,845 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:48:01,850 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:48:01,860 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:48:01,882 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:48:01,883 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:48:01,883 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:48:01,883 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:48:01,883 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:48:01,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:48:01,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:48:01,883 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:48:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 01:48:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 01:48:01,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:01,907 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:01,909 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:01,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:01,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2018-11-23 01:48:01,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:01,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:01,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:01,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:01,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:02,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:48:02,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:48:02,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:02,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:02,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:02,238 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 01:48:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:02,889 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 01:48:02,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:02,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-23 01:48:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:02,900 INFO L225 Difference]: With dead ends: 547 [2018-11-23 01:48:02,900 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 01:48:02,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 01:48:02,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 01:48:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 01:48:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 01:48:02,942 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 101 [2018-11-23 01:48:02,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:02,942 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 01:48:02,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 01:48:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 01:48:02,946 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:02,947 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:02,949 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:02,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:02,949 INFO L82 PathProgramCache]: Analyzing trace with hash -322237296, now seen corresponding path program 1 times [2018-11-23 01:48:02,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:02,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:02,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:02,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:02,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:03,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:48:03,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:48:03,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:03,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:48:03,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:48:03,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:48:03,058 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 01:48:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:03,690 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 01:48:03,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:48:03,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-11-23 01:48:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:03,694 INFO L225 Difference]: With dead ends: 881 [2018-11-23 01:48:03,694 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 01:48:03,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 01:48:03,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 01:48:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 01:48:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 01:48:03,720 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 111 [2018-11-23 01:48:03,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:03,720 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 01:48:03,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:48:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 01:48:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 01:48:03,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:03,722 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:03,722 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:03,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:03,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2018-11-23 01:48:03,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:03,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:03,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:03,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:03,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:03,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:03,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:03,849 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-11-23 01:48:03,851 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 01:48:03,887 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:03,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:04,454 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:04,455 INFO L272 AbstractInterpreter]: Visited 105 different actions 202 times. Merged at 3 different actions 3 times. Never widened. Performed 2902 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2902 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 01:48:04,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:04,475 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:04,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:04,475 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:48:04,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:04,490 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:04,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:04,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:04,678 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:48:04,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-11-23 01:48:04,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:04,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:04,680 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 01:48:05,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:05,126 INFO L93 Difference]: Finished difference Result 1521 states and 2425 transitions. [2018-11-23 01:48:05,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:05,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2018-11-23 01:48:05,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:05,132 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 01:48:05,132 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 01:48:05,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:05,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 01:48:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 01:48:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 01:48:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1427 transitions. [2018-11-23 01:48:05,164 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1427 transitions. Word has length 112 [2018-11-23 01:48:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:05,164 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1427 transitions. [2018-11-23 01:48:05,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1427 transitions. [2018-11-23 01:48:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 01:48:05,167 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:05,167 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:05,167 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:05,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:05,168 INFO L82 PathProgramCache]: Analyzing trace with hash 125802458, now seen corresponding path program 1 times [2018-11-23 01:48:05,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:05,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:05,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:05,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:05,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:05,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:48:05,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:48:05,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:05,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:05,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:05,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:05,274 INFO L87 Difference]: Start difference. First operand 991 states and 1427 transitions. Second operand 3 states. [2018-11-23 01:48:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:05,631 INFO L93 Difference]: Finished difference Result 2423 states and 3643 transitions. [2018-11-23 01:48:05,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:05,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-23 01:48:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:05,636 INFO L225 Difference]: With dead ends: 2423 [2018-11-23 01:48:05,636 INFO L226 Difference]: Without dead ends: 1438 [2018-11-23 01:48:05,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:05,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2018-11-23 01:48:05,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2018-11-23 01:48:05,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2018-11-23 01:48:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2077 transitions. [2018-11-23 01:48:05,664 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2077 transitions. Word has length 118 [2018-11-23 01:48:05,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:05,664 INFO L480 AbstractCegarLoop]: Abstraction has 1438 states and 2077 transitions. [2018-11-23 01:48:05,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2077 transitions. [2018-11-23 01:48:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 01:48:05,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:05,668 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:05,668 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:05,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:05,668 INFO L82 PathProgramCache]: Analyzing trace with hash -346016022, now seen corresponding path program 1 times [2018-11-23 01:48:05,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:05,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:05,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:05,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:05,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:05,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:48:05,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:48:05,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:05,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:48:05,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:48:05,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:48:05,750 INFO L87 Difference]: Start difference. First operand 1438 states and 2077 transitions. Second operand 6 states. [2018-11-23 01:48:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:06,265 INFO L93 Difference]: Finished difference Result 3007 states and 4457 transitions. [2018-11-23 01:48:06,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:48:06,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-11-23 01:48:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:06,270 INFO L225 Difference]: With dead ends: 3007 [2018-11-23 01:48:06,270 INFO L226 Difference]: Without dead ends: 1575 [2018-11-23 01:48:06,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:06,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2018-11-23 01:48:06,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1531. [2018-11-23 01:48:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2018-11-23 01:48:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1971 transitions. [2018-11-23 01:48:06,298 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1971 transitions. Word has length 126 [2018-11-23 01:48:06,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:06,299 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1971 transitions. [2018-11-23 01:48:06,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:48:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1971 transitions. [2018-11-23 01:48:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 01:48:06,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:06,301 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:06,301 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:06,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:06,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times [2018-11-23 01:48:06,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:06,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:06,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:06,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:06,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:06,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:48:06,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:48:06,380 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:06,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:06,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:06,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:06,381 INFO L87 Difference]: Start difference. First operand 1531 states and 1971 transitions. Second operand 3 states. [2018-11-23 01:48:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:06,718 INFO L93 Difference]: Finished difference Result 4429 states and 5868 transitions. [2018-11-23 01:48:06,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:06,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-11-23 01:48:06,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:06,729 INFO L225 Difference]: With dead ends: 4429 [2018-11-23 01:48:06,729 INFO L226 Difference]: Without dead ends: 2904 [2018-11-23 01:48:06,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:48:06,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2018-11-23 01:48:06,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2896. [2018-11-23 01:48:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2896 states. [2018-11-23 01:48:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3680 transitions. [2018-11-23 01:48:06,794 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3680 transitions. Word has length 127 [2018-11-23 01:48:06,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:06,794 INFO L480 AbstractCegarLoop]: Abstraction has 2896 states and 3680 transitions. [2018-11-23 01:48:06,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3680 transitions. [2018-11-23 01:48:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 01:48:06,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:06,802 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:06,802 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:06,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:06,802 INFO L82 PathProgramCache]: Analyzing trace with hash 257579638, now seen corresponding path program 1 times [2018-11-23 01:48:06,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:06,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:06,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:06,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:06,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:48:06,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:06,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:06,933 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-23 01:48:06,933 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 01:48:06,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:06,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:07,119 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:48:07,119 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 01:48:07,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:07,130 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:48:07,352 INFO L227 lantSequenceWeakener]: Weakened 161 states. On average, predicates are now at 81.62% of their original sizes. [2018-11-23 01:48:07,352 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:48:07,402 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-23 01:48:07,402 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:48:07,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:48:07,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 01:48:07,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:07,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:48:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:48:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:48:07,403 INFO L87 Difference]: Start difference. First operand 2896 states and 3680 transitions. Second operand 10 states. [2018-11-23 01:48:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:10,846 INFO L93 Difference]: Finished difference Result 6332 states and 8188 transitions. [2018-11-23 01:48:10,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:48:10,846 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-11-23 01:48:10,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:10,853 INFO L225 Difference]: With dead ends: 6332 [2018-11-23 01:48:10,853 INFO L226 Difference]: Without dead ends: 3442 [2018-11-23 01:48:10,859 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:48:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2018-11-23 01:48:10,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 3305. [2018-11-23 01:48:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3305 states. [2018-11-23 01:48:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4132 transitions. [2018-11-23 01:48:10,961 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4132 transitions. Word has length 164 [2018-11-23 01:48:10,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:10,962 INFO L480 AbstractCegarLoop]: Abstraction has 3305 states and 4132 transitions. [2018-11-23 01:48:10,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:48:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4132 transitions. [2018-11-23 01:48:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 01:48:10,967 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:10,968 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:10,968 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:10,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:10,968 INFO L82 PathProgramCache]: Analyzing trace with hash -324576636, now seen corresponding path program 1 times [2018-11-23 01:48:10,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:10,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:10,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:10,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:10,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:48:11,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:11,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:11,075 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-23 01:48:11,076 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 01:48:11,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:11,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:11,232 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:48:11,232 INFO L272 AbstractInterpreter]: Visited 106 different actions 315 times. Merged at 7 different actions 17 times. Never widened. Performed 4437 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4437 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 01:48:11,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:11,242 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:48:11,398 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 83.22% of their original sizes. [2018-11-23 01:48:11,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:48:11,440 INFO L415 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-11-23 01:48:11,441 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:48:11,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:48:11,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-23 01:48:11,441 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:11,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:48:11,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:48:11,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:11,442 INFO L87 Difference]: Start difference. First operand 3305 states and 4132 transitions. Second operand 9 states. [2018-11-23 01:48:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:14,443 INFO L93 Difference]: Finished difference Result 7028 states and 9022 transitions. [2018-11-23 01:48:14,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 01:48:14,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2018-11-23 01:48:14,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:14,450 INFO L225 Difference]: With dead ends: 7028 [2018-11-23 01:48:14,451 INFO L226 Difference]: Without dead ends: 4138 [2018-11-23 01:48:14,455 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-23 01:48:14,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2018-11-23 01:48:14,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 4128. [2018-11-23 01:48:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4128 states. [2018-11-23 01:48:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5218 transitions. [2018-11-23 01:48:14,511 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5218 transitions. Word has length 191 [2018-11-23 01:48:14,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:14,512 INFO L480 AbstractCegarLoop]: Abstraction has 4128 states and 5218 transitions. [2018-11-23 01:48:14,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:48:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5218 transitions. [2018-11-23 01:48:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 01:48:14,519 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:14,519 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:14,520 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:14,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash -905663325, now seen corresponding path program 1 times [2018-11-23 01:48:14,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:14,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:14,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:14,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:14,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:48:14,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:14,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:14,607 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-11-23 01:48:14,607 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 01:48:14,612 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:14,612 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:14,777 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:14,777 INFO L272 AbstractInterpreter]: Visited 108 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Performed 4726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 01:48:14,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:14,782 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:14,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:14,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:48:14,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:14,792 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:14,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-23 01:48:14,906 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:48:14,994 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:14,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:48:14,994 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:14,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:48:14,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:48:14,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:48:14,995 INFO L87 Difference]: Start difference. First operand 4128 states and 5218 transitions. Second operand 9 states. [2018-11-23 01:48:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:16,475 INFO L93 Difference]: Finished difference Result 10970 states and 14511 transitions. [2018-11-23 01:48:16,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:48:16,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-11-23 01:48:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:16,493 INFO L225 Difference]: With dead ends: 10970 [2018-11-23 01:48:16,493 INFO L226 Difference]: Without dead ends: 6689 [2018-11-23 01:48:16,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:48:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2018-11-23 01:48:16,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6633. [2018-11-23 01:48:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6633 states. [2018-11-23 01:48:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6633 states to 6633 states and 8589 transitions. [2018-11-23 01:48:16,606 INFO L78 Accepts]: Start accepts. Automaton has 6633 states and 8589 transitions. Word has length 214 [2018-11-23 01:48:16,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:16,606 INFO L480 AbstractCegarLoop]: Abstraction has 6633 states and 8589 transitions. [2018-11-23 01:48:16,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:48:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6633 states and 8589 transitions. [2018-11-23 01:48:16,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 01:48:16,621 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:16,621 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:48:16,621 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:16,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:16,622 INFO L82 PathProgramCache]: Analyzing trace with hash -665062149, now seen corresponding path program 1 times [2018-11-23 01:48:16,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:16,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:16,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:16,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:16,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 123 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:48:16,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:16,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:16,698 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-23 01:48:16,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 01:48:16,701 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:16,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:16,853 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:16,853 INFO L272 AbstractInterpreter]: Visited 108 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Performed 4786 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4786 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 01:48:16,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:16,862 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:16,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:16,863 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:48:16,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:16,879 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:16,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 01:48:16,973 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 01:48:17,047 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:17,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 01:48:17,047 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:17,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:48:17,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:48:17,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:48:17,048 INFO L87 Difference]: Start difference. First operand 6633 states and 8589 transitions. Second operand 9 states. [2018-11-23 01:48:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:18,451 INFO L93 Difference]: Finished difference Result 19213 states and 26113 transitions. [2018-11-23 01:48:18,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 01:48:18,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-11-23 01:48:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:18,453 INFO L225 Difference]: With dead ends: 19213 [2018-11-23 01:48:18,453 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:48:18,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-11-23 01:48:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:48:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:48:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:48:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:48:18,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-11-23 01:48:18,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:18,502 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:48:18,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:48:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:48:18,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:48:18,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:48:18,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:18,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,244 WARN L180 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 162 [2018-11-23 01:48:19,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:48:19,656 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 169 [2018-11-23 01:48:20,680 WARN L180 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 82 [2018-11-23 01:48:21,016 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2018-11-23 01:48:21,357 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,359 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 01:48:21,360 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 01:48:21,361 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 01:48:21,362 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 01:48:21,363 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,364 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,365 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 01:48:21,366 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,367 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 01:48:21,368 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= 4 |old(~a16~0)|)) (.cse11 (= 15 |old(~a8~0)|)) (.cse2 (= 1 |old(~a20~0)|)) (.cse18 (= |old(~a8~0)| ~a8~0)) (.cse19 (= |old(~a16~0)| ~a16~0))) (let ((.cse14 (= 0 |old(~a16~0)|)) (.cse9 (= ~a7~0 0)) (.cse7 (< 0 |old(~a17~0)|)) (.cse16 (and (<= ~a17~0 |old(~a17~0)|) .cse18 .cse19 (= ~a21~0 |old(~a21~0)|))) (.cse3 (not (= 0 |old(~a7~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse15 (= ~a20~0 1)) (.cse13 (not .cse2)) (.cse4 (not .cse11)) (.cse10 (not (= |old(~a16~0)| 5))) (.cse17 (< 13 |old(~a8~0)|)) (.cse5 (not .cse12)) (.cse1 (not (= 1 ~a20~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse1 .cse10 .cse2 .cse11) (or (or .cse3 .cse0 .cse12 .cse13 .cse4) .cse14 .cse6 .cse7 .cse8 .cse15) (or (or .cse3 .cse0 (not (= 0 |old(~a17~0)|))) (and (= ~a17~0 0) .cse15) .cse5 .cse6 .cse8 .cse13 .cse4) (or .cse0 .cse16 .cse12) (or .cse17 .cse7 .cse16) (or .cse3 .cse0 .cse9 .cse12 .cse4 .cse14 .cse6 .cse8) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse8 .cse2 .cse9) (or (= 6 |old(~a16~0)|) .cse17 .cse16) (or .cse16 .cse0 .cse7) (or .cse0 .cse16 .cse11) (or .cse0 .cse2 .cse16) (or .cse3 .cse0 .cse6 .cse8 (not (= 1 |old(~a17~0)|)) (and (= ~a17~0 1) .cse15) .cse13 .cse4 (not (= 5 |old(~a16~0)|))) (or (and .cse18 .cse19) .cse10 .cse11) (or .cse17 .cse5 .cse2 .cse1)))) [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 01:48:21,369 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,370 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 01:48:21,371 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 01:48:21,372 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 01:48:21,373 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 01:48:21,373 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 01:48:21,374 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-11-23 01:48:21,374 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 01:48:21,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:48:21 BoogieIcfgContainer [2018-11-23 01:48:21,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:48:21,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:48:21,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:48:21,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:48:21,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:01" (3/4) ... [2018-11-23 01:48:21,392 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:48:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:48:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 01:48:21,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:48:21,411 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 01:48:21,412 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:48:21,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (\old(a16) == a16 && !(a8 == 15))) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (!(a8 == 15) && 1 == a21)) || !(15 == \old(a8)) [2018-11-23 01:48:21,496 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_86932549-df4d-4145-88d6-5de43938c0de/bin-2019/utaipan/witness.graphml [2018-11-23 01:48:21,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:48:21,498 INFO L168 Benchmark]: Toolchain (without parser) took 20952.09 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 951.2 MB in the beginning and 991.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,498 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:48:21,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -226.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,499 INFO L168 Benchmark]: Boogie Preprocessor took 53.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,499 INFO L168 Benchmark]: RCFGBuilder took 796.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.1 MB). Peak memory consumption was 101.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,499 INFO L168 Benchmark]: TraceAbstraction took 19554.30 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,500 INFO L168 Benchmark]: Witness Printer took 107.41 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 991.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:48:21,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -226.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 796.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.1 MB). Peak memory consumption was 101.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19554.30 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 107.41 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 991.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (\old(a16) == a16 && !(a8 == 15))) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (!(a8 == 15) && 1 == a21)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1850 SDtfs, 5564 SDslu, 1679 SDs, 0 SdLazy, 10573 SolverSat, 1827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1558 GetRequests, 1452 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6633occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9976192575721825 AbsIntWeakeningRatio, 0.19830028328611898 AbsIntAvgWeakeningVarsNumRemoved, 28.44759206798867 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 268 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 350 PreInvPairs, 708 NumberOfFragments, 644 HoareAnnotationTreeSize, 350 FomulaSimplifications, 16774 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13172 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2028 NumberOfCodeBlocks, 2028 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2557 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002234 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 1297/1448 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...