./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_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_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:38:04,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:38:04,012 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:38:04,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:38:04,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:38:04,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:38:04,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:38:04,024 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:38:04,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:38:04,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:38:04,027 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:38:04,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:38:04,028 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:38:04,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:38:04,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:38:04,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:38:04,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:38:04,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:38:04,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:38:04,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:38:04,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:38:04,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:38:04,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:38:04,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:38:04,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:38:04,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:38:04,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:38:04,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:38:04,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:38:04,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:38:04,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:38:04,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:38:04,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:38:04,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:38:04,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:38:04,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:38:04,045 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:38:04,056 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:38:04,057 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:38:04,057 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:38:04,057 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:38:04,058 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:38:04,058 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:38:04,058 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:38:04,058 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:38:04,058 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:38:04,058 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:38:04,059 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:38:04,059 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:38:04,059 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:38:04,059 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:38:04,060 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:38:04,061 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:38:04,061 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:38:04,061 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:38:04,061 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:38:04,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:38:04,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:38:04,062 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:38:04,062 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:38:04,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:38:04,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:38:04,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:38:04,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:38:04,065 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:38:04,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:38:04,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:38:04,066 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:38:04,066 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_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-11-23 00:38:04,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:38:04,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:38:04,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:38:04,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:38:04,104 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:38:04,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-23 00:38:04,149 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/data/4b7cef48c/2cc1ed0b8abe4f9582d140066551992f/FLAG5f7c6b957 [2018-11-23 00:38:04,504 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:38:04,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-23 00:38:04,514 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/data/4b7cef48c/2cc1ed0b8abe4f9582d140066551992f/FLAG5f7c6b957 [2018-11-23 00:38:04,527 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/data/4b7cef48c/2cc1ed0b8abe4f9582d140066551992f [2018-11-23 00:38:04,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:38:04,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:38:04,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:04,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:38:04,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:38:04,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:04,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732c982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04, skipping insertion in model container [2018-11-23 00:38:04,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:04,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:38:04,583 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:38:04,826 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:04,829 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:38:04,898 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:04,911 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:38:04,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04 WrapperNode [2018-11-23 00:38:04,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:04,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:04,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:38:04,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:38:04,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:04,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:04,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:04,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:38:04,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:38:04,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:38:04,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:04,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... [2018-11-23 00:38:05,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:38:05,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:38:05,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:38:05,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:38:05,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 00:38:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:38:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:38:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:38:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:38:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:38:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:38:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:38:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:38:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:38:05,780 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:38:05,780 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:38:05,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:05 BoogieIcfgContainer [2018-11-23 00:38:05,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:38:05,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:38:05,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:38:05,783 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:38:05,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:38:04" (1/3) ... [2018-11-23 00:38:05,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ef424b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:05, skipping insertion in model container [2018-11-23 00:38:05,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:04" (2/3) ... [2018-11-23 00:38:05,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ef424b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:05, skipping insertion in model container [2018-11-23 00:38:05,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:05" (3/3) ... [2018-11-23 00:38:05,786 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-11-23 00:38:05,793 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:38:05,798 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:38:05,807 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:38:05,829 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:38:05,829 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:38:05,829 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:38:05,829 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:38:05,829 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:38:05,830 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:38:05,830 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:38:05,830 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:38:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 00:38:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:38:05,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:05,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:38:05,856 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:05,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:05,860 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2018-11-23 00:38:05,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:05,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:05,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:05,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:05,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:06,141 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 00:38:06,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:06,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:06,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:06,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:06,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:06,157 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 00:38:06,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:06,704 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 00:38:06,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:06,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-23 00:38:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:06,716 INFO L225 Difference]: With dead ends: 547 [2018-11-23 00:38:06,717 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 00:38:06,721 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 00:38:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 00:38:06,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 00:38:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 00:38:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 00:38:06,771 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 117 [2018-11-23 00:38:06,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:06,772 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 00:38:06,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 00:38:06,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 00:38:06,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:06,776 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:38:06,776 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:06,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:06,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1604702730, now seen corresponding path program 1 times [2018-11-23 00:38:06,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:06,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:06,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:06,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:06,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:38:06,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:06,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:06,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:06,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:06,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:06,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:06,877 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 00:38:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:07,506 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 00:38:07,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:38:07,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-11-23 00:38:07,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:07,512 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 00:38:07,512 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 00:38:07,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:38:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 00:38:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 00:38:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 00:38:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 00:38:07,545 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 126 [2018-11-23 00:38:07,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:07,545 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 00:38:07,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 00:38:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 00:38:07,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:07,549 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:38:07,549 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:07,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:07,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1555807011, now seen corresponding path program 1 times [2018-11-23 00:38:07,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:07,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:07,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:07,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:07,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:38:07,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:07,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:07,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-11-23 00:38:07,644 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:07,678 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:07,678 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:08,207 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:38:08,208 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 3263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3263 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 00:38:08,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,214 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:38:08,577 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 81.92% of their original sizes. [2018-11-23 00:38:08,577 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:38:08,650 INFO L415 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-11-23 00:38:08,650 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:38:08,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:08,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:38:08,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:08,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:38:08,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:38:08,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:08,652 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 10 states. [2018-11-23 00:38:13,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:13,531 INFO L93 Difference]: Finished difference Result 2780 states and 4480 transitions. [2018-11-23 00:38:13,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 00:38:13,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2018-11-23 00:38:13,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:13,536 INFO L225 Difference]: With dead ends: 2780 [2018-11-23 00:38:13,536 INFO L226 Difference]: Without dead ends: 2057 [2018-11-23 00:38:13,538 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:38:13,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-23 00:38:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2032. [2018-11-23 00:38:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2018-11-23 00:38:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2612 transitions. [2018-11-23 00:38:13,575 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2612 transitions. Word has length 137 [2018-11-23 00:38:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:13,576 INFO L480 AbstractCegarLoop]: Abstraction has 2032 states and 2612 transitions. [2018-11-23 00:38:13,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:38:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2612 transitions. [2018-11-23 00:38:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 00:38:13,579 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:13,579 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:38:13,579 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:13,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:13,580 INFO L82 PathProgramCache]: Analyzing trace with hash 830818489, now seen corresponding path program 1 times [2018-11-23 00:38:13,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:13,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:13,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:13,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:13,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:38:13,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:13,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:13,693 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-23 00:38:13,694 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], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:13,698 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:13,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:13,813 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:38:13,813 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3168 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 00:38:13,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:13,814 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:38:13,997 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.9% of their original sizes. [2018-11-23 00:38:13,997 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:38:14,033 INFO L415 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-11-23 00:38:14,033 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:38:14,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:14,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 00:38:14,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:14,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:38:14,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:38:14,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:14,035 INFO L87 Difference]: Start difference. First operand 2032 states and 2612 transitions. Second operand 10 states. [2018-11-23 00:38:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:15,926 INFO L93 Difference]: Finished difference Result 4062 states and 5290 transitions. [2018-11-23 00:38:15,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:38:15,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-11-23 00:38:15,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:15,932 INFO L225 Difference]: With dead ends: 4062 [2018-11-23 00:38:15,932 INFO L226 Difference]: Without dead ends: 2171 [2018-11-23 00:38:15,936 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 00:38:15,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-11-23 00:38:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2018-11-23 00:38:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2169 states. [2018-11-23 00:38:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2765 transitions. [2018-11-23 00:38:15,965 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2765 transitions. Word has length 144 [2018-11-23 00:38:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:15,966 INFO L480 AbstractCegarLoop]: Abstraction has 2169 states and 2765 transitions. [2018-11-23 00:38:15,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:38:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2765 transitions. [2018-11-23 00:38:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 00:38:15,968 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:15,969 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:38:15,969 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:15,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:15,969 INFO L82 PathProgramCache]: Analyzing trace with hash 469138834, now seen corresponding path program 1 times [2018-11-23 00:38:15,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:15,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:15,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:15,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:15,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 00:38:16,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:16,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:16,025 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 00:38:16,025 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [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], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:16,028 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:16,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:16,262 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:38:16,262 INFO L272 AbstractInterpreter]: Visited 123 different actions 485 times. Merged at 7 different actions 25 times. Never widened. Performed 6903 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6903 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 00:38:16,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:16,275 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:38:16,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:16,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 00:38:16,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:16,293 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:38:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:16,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:38:16,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 00:38:16,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:38:16,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 00:38:16,590 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:38:16,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:38:16,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:38:16,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:38:16,591 INFO L87 Difference]: Start difference. First operand 2169 states and 2765 transitions. Second operand 8 states. [2018-11-23 00:38:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:18,404 INFO L93 Difference]: Finished difference Result 7140 states and 9757 transitions. [2018-11-23 00:38:18,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 00:38:18,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-11-23 00:38:18,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:18,411 INFO L225 Difference]: With dead ends: 7140 [2018-11-23 00:38:18,412 INFO L226 Difference]: Without dead ends: 2970 [2018-11-23 00:38:18,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 00:38:18,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2018-11-23 00:38:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2916. [2018-11-23 00:38:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2916 states. [2018-11-23 00:38:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3465 transitions. [2018-11-23 00:38:18,470 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3465 transitions. Word has length 155 [2018-11-23 00:38:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:18,471 INFO L480 AbstractCegarLoop]: Abstraction has 2916 states and 3465 transitions. [2018-11-23 00:38:18,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:38:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3465 transitions. [2018-11-23 00:38:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 00:38:18,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:18,477 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:38:18,477 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:18,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -769454370, now seen corresponding path program 1 times [2018-11-23 00:38:18,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:18,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:18,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:18,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:18,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 00:38:18,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:18,582 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:18,582 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-23 00:38:18,582 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [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], [137], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:18,585 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:18,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:18,686 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:38:18,686 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 3238 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3238 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 00:38:18,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:18,695 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:38:18,882 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 81.82% of their original sizes. [2018-11-23 00:38:18,882 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:38:18,928 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-23 00:38:18,928 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:38:18,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:18,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:38:18,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:18,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:38:18,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:38:18,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:18,929 INFO L87 Difference]: Start difference. First operand 2916 states and 3465 transitions. Second operand 10 states. [2018-11-23 00:38:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:21,747 INFO L93 Difference]: Finished difference Result 6011 states and 7175 transitions. [2018-11-23 00:38:21,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 00:38:21,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-11-23 00:38:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:21,758 INFO L225 Difference]: With dead ends: 6011 [2018-11-23 00:38:21,758 INFO L226 Difference]: Without dead ends: 3373 [2018-11-23 00:38:21,766 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:38:21,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2018-11-23 00:38:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2018-11-23 00:38:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3371 states. [2018-11-23 00:38:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 3949 transitions. [2018-11-23 00:38:21,925 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 3949 transitions. Word has length 182 [2018-11-23 00:38:21,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:21,926 INFO L480 AbstractCegarLoop]: Abstraction has 3371 states and 3949 transitions. [2018-11-23 00:38:21,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:38:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 3949 transitions. [2018-11-23 00:38:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:38:21,932 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:21,932 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:38:21,932 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:21,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash -131879047, now seen corresponding path program 1 times [2018-11-23 00:38:21,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:21,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:21,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:21,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:21,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:38:22,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:22,040 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:22,040 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-23 00:38:22,040 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [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], [137], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:22,043 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:22,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:22,306 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:38:22,306 INFO L272 AbstractInterpreter]: Visited 124 different actions 492 times. Merged at 8 different actions 29 times. Never widened. Performed 7058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:38:22,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:22,311 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:38:22,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:22,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 00:38:22,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:22,317 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:38:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:22,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:38:22,407 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 00:38:22,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:38:22,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 00:38:22,473 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:38:22,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:38:22,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:38:22,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:38:22,474 INFO L87 Difference]: Start difference. First operand 3371 states and 3949 transitions. Second operand 11 states. [2018-11-23 00:38:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:23,549 INFO L93 Difference]: Finished difference Result 11018 states and 13821 transitions. [2018-11-23 00:38:23,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 00:38:23,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2018-11-23 00:38:23,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:23,566 INFO L225 Difference]: With dead ends: 11018 [2018-11-23 00:38:23,566 INFO L226 Difference]: Without dead ends: 8243 [2018-11-23 00:38:23,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 383 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:38:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8243 states. [2018-11-23 00:38:23,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8243 to 8211. [2018-11-23 00:38:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8211 states. [2018-11-23 00:38:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8211 states to 8211 states and 9883 transitions. [2018-11-23 00:38:23,683 INFO L78 Accepts]: Start accepts. Automaton has 8211 states and 9883 transitions. Word has length 190 [2018-11-23 00:38:23,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:23,684 INFO L480 AbstractCegarLoop]: Abstraction has 8211 states and 9883 transitions. [2018-11-23 00:38:23,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:38:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8211 states and 9883 transitions. [2018-11-23 00:38:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:38:23,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:23,692 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:38:23,692 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:23,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:23,693 INFO L82 PathProgramCache]: Analyzing trace with hash -770071325, now seen corresponding path program 2 times [2018-11-23 00:38:23,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:23,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:23,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:23,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:23,694 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:38:23,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:23,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:23,776 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 00:38:23,776 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 00:38:23,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:23,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/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 00:38:23,788 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 00:38:23,788 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 00:38:23,831 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 00:38:23,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 00:38:23,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 00:38:23,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 00:38:23,942 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:23,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 00:38:23,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:23,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:23,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:23,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:23,943 INFO L87 Difference]: Start difference. First operand 8211 states and 9883 transitions. Second operand 3 states. [2018-11-23 00:38:24,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:24,414 INFO L93 Difference]: Finished difference Result 20168 states and 24660 transitions. [2018-11-23 00:38:24,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:24,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-11-23 00:38:24,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:24,450 INFO L225 Difference]: With dead ends: 20168 [2018-11-23 00:38:24,451 INFO L226 Difference]: Without dead ends: 12235 [2018-11-23 00:38:24,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 379 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12235 states. [2018-11-23 00:38:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12235 to 12044. [2018-11-23 00:38:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12044 states. [2018-11-23 00:38:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12044 states to 12044 states and 14345 transitions. [2018-11-23 00:38:24,686 INFO L78 Accepts]: Start accepts. Automaton has 12044 states and 14345 transitions. Word has length 190 [2018-11-23 00:38:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:24,687 INFO L480 AbstractCegarLoop]: Abstraction has 12044 states and 14345 transitions. [2018-11-23 00:38:24,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12044 states and 14345 transitions. [2018-11-23 00:38:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 00:38:24,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:24,706 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 00:38:24,706 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:24,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:24,707 INFO L82 PathProgramCache]: Analyzing trace with hash 686529897, now seen corresponding path program 1 times [2018-11-23 00:38:24,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:24,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:24,707 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 00:38:24,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:24,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 111 proven. 52 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 00:38:24,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:24,853 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:24,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 00:38:24,854 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:24,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:24,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:25,089 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:38:25,090 INFO L272 AbstractInterpreter]: Visited 123 different actions 361 times. Merged at 6 different actions 12 times. Never widened. Performed 4803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 00:38:25,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:25,095 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:38:25,256 INFO L227 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 83.32% of their original sizes. [2018-11-23 00:38:25,256 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:38:25,305 INFO L415 sIntCurrentIteration]: We unified 219 AI predicates to 219 [2018-11-23 00:38:25,306 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:38:25,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:25,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 00:38:25,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:25,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:38:25,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:38:25,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:38:25,307 INFO L87 Difference]: Start difference. First operand 12044 states and 14345 transitions. Second operand 9 states. [2018-11-23 00:38:26,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:26,997 INFO L93 Difference]: Finished difference Result 24225 states and 28962 transitions. [2018-11-23 00:38:26,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:38:26,997 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2018-11-23 00:38:26,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:27,030 INFO L225 Difference]: With dead ends: 24225 [2018-11-23 00:38:27,030 INFO L226 Difference]: Without dead ends: 12731 [2018-11-23 00:38:27,049 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 212 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 00:38:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12731 states. [2018-11-23 00:38:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12731 to 12592. [2018-11-23 00:38:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12592 states. [2018-11-23 00:38:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12592 states to 12592 states and 14955 transitions. [2018-11-23 00:38:27,257 INFO L78 Accepts]: Start accepts. Automaton has 12592 states and 14955 transitions. Word has length 220 [2018-11-23 00:38:27,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:27,257 INFO L480 AbstractCegarLoop]: Abstraction has 12592 states and 14955 transitions. [2018-11-23 00:38:27,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:38:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 12592 states and 14955 transitions. [2018-11-23 00:38:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-23 00:38:27,277 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:27,277 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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 00:38:27,277 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:27,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:27,277 INFO L82 PathProgramCache]: Analyzing trace with hash -2054284233, now seen corresponding path program 1 times [2018-11-23 00:38:27,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:27,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:27,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:27,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:27,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:38:27,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:27,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:27,415 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-11-23 00:38:27,415 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [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], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:38:27,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:27,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:27,790 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:38:27,790 INFO L272 AbstractInterpreter]: Visited 124 different actions 493 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 7116 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7116 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:38:27,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:27,799 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:38:27,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:27,799 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:38:27,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:27,805 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:38:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:27,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-23 00:38:27,914 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-23 00:38:27,988 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:27,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 00:38:27,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:27,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:27,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:27,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:27,989 INFO L87 Difference]: Start difference. First operand 12592 states and 14955 transitions. Second operand 3 states. [2018-11-23 00:38:28,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:28,264 INFO L93 Difference]: Finished difference Result 20831 states and 24745 transitions. [2018-11-23 00:38:28,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:28,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2018-11-23 00:38:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:28,265 INFO L225 Difference]: With dead ends: 20831 [2018-11-23 00:38:28,265 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:38:28,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 470 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:38:28,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:38:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:38:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:38:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:38:28,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2018-11-23 00:38:28,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:28,281 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:38:28,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:38:28,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:38:28,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:38:28,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:28,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:38:30,369 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 285 DAG size of output: 110 [2018-11-23 00:38:30,589 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2018-11-23 00:38:30,768 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:38:30,770 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2018-11-23 00:38:30,770 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 00:38:30,771 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 00:38:30,772 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 00:38:30,773 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 00:38:30,774 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 00:38:30,775 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,776 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,777 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 00:38:30,778 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse25 (= ~a16~0 6)) (.cse17 (= 1 |old(~a20~0)|))) (let ((.cse19 (<= ~a17~0 0)) (.cse10 (< |old(~a8~0)| 15)) (.cse18 (= 1 ~a7~0)) (.cse2 (not (= 0 |old(~a7~0)|))) (.cse4 (not (= 15 |old(~a8~0)|))) (.cse5 (not (= 5 |old(~a16~0)|))) (.cse20 (< 0 |old(~a17~0)|)) (.cse22 (= ~a16~0 5)) (.cse3 (not (= 1 |old(~a21~0)|))) (.cse11 (not .cse17)) (.cse24 (= 0 |old(~a16~0)|)) (.cse6 (not (= 8 ~a12~0))) (.cse1 (= |calculate_output_#in~input| 0)) (.cse27 (= 0 |old(~a8~0)|)) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse23 (not (= ~a16~0 0))) (.cse0 (= ~a17~0 1)) (.cse21 (= ~a21~0 1)) (.cse26 (= ~a20~0 1)) (.cse12 (not (= 1 |old(~a7~0)|))) (.cse15 (= |old(~a20~0)| ~a20~0)) (.cse13 (= 6 |old(~a16~0)|)) (.cse16 (< 13 |old(~a8~0)|)) (.cse8 (= ~a7~0 |old(~a7~0)|)) (.cse9 (= |old(~a8~0)| ~a8~0)) (.cse14 (not .cse25))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= 0 |old(~a20~0)|)) .cse5 .cse6 .cse7)) (or (and .cse8 .cse9) .cse10) (or (= ~a16~0 4) (or .cse3 .cse11 (not (= 4 |old(~a16~0)|)) (not (= 13 |old(~a8~0)|))) .cse6 .cse12 .cse1 .cse7) (or .cse13 .cse14 .cse12 .cse10) (or .cse15 .cse10) (or .cse13 .cse16 .cse15 .cse17) (or .cse16 (and .cse18 .cse9 .cse15 .cse19) (< |old(~a20~0)| 1) .cse12 .cse20) (or .cse2 .cse3 .cse6 .cse1 .cse17 .cse4 .cse5 (and .cse21 .cse22)) (or .cse2 .cse3 .cse22 .cse6 .cse1 .cse7 .cse4 .cse5) (or .cse13 (and .cse8 .cse9 .cse15 .cse14 .cse19) .cse20) (or .cse13 .cse14 .cse17 .cse10) (or .cse13 .cse2 .cse3 .cse6 .cse20 .cse1 (and .cse23 .cse21) .cse11 .cse4 .cse24) (or .cse1 (or (not .cse13) .cse2 .cse3 .cse11 .cse4 (not (= 0 |old(~a17~0)|)) .cse6) (and .cse21 (and (= ~a17~0 0) .cse25))) (or .cse19 .cse20 .cse10) (or .cse3 .cse11 .cse24 .cse6 (and .cse23 .cse18 .cse9 .cse0 .cse21 .cse26) .cse12 .cse1 .cse27 .cse7) (or .cse3 .cse16 .cse11 .cse24 .cse6 (and .cse8 .cse23 .cse9 .cse0 .cse21 .cse26) .cse1 .cse27 .cse7) (or (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse20) .cse22) (or .cse13 .cse3 .cse11 .cse24 .cse6 .cse1 .cse27 .cse7 (and .cse23 .cse0 .cse21 .cse8 .cse9 .cse14 .cse26)) (or .cse13 .cse16 .cse12 .cse15) (or .cse13 .cse16 (and .cse8 .cse9 .cse14))))) [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 00:38:30,779 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 00:38:30,780 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 00:38:30,781 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:38:30,782 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 00:38:30,782 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:38:30,782 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)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-23 00:38:30,782 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:38:30,783 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse3 (not (= ~a8~0 0))) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a21~0 1)) (.cse6 (= ~a20~0 1)) (.cse7 (= 1 ~a7~0)) (.cse8 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse9 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse7 .cse8 (<= 1 ~a20~0)) (and .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6) (not (= 5 |old(~a16~0)|)) (and .cse0 (not .cse6) .cse9) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse7 .cse9) (and .cse9 .cse8) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse9) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0))) [2018-11-23 00:38:30,783 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 00:38:30,783 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 00:38:30,783 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse8 (<= ~a17~0 0)) (.cse6 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (not (= ~a16~0 0))) (.cse7 (= 1 ~a7~0)) (.cse1 (not (= ~a8~0 0))) (.cse3 (= ~a17~0 1)) (.cse4 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 8 ~a12~0)) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (and .cse6 .cse7 .cse8 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and .cse6 (not .cse5) .cse2) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse7 .cse2) (and .cse2 .cse8) (and .cse6 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0))) [2018-11-23 00:38:30,783 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:38:30,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:38:30 BoogieIcfgContainer [2018-11-23 00:38:30,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:38:30,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:38:30,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:38:30,806 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:38:30,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:05" (3/4) ... [2018-11-23 00:38:30,809 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:38:30,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:38:30,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:38:30,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:38:30,824 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:38:30,825 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:38:30,845 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(8 == a12)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || ((a8 <= 13 && !(a20 == 1)) && !(a16 == 6))) || !(0 == \old(a7))) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || 15 <= a8 [2018-11-23 00:38:30,904 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5fd01eb4-293d-4a10-9041-35e61f9214cf/bin-2019/utaipan/witness.graphml [2018-11-23 00:38:30,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:38:30,905 INFO L168 Benchmark]: Toolchain (without parser) took 26374.93 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 951.1 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 279.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,905 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:38:30,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -257.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,906 INFO L168 Benchmark]: Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,906 INFO L168 Benchmark]: RCFGBuilder took 740.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,906 INFO L168 Benchmark]: TraceAbstraction took 25023.48 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,906 INFO L168 Benchmark]: Witness Printer took 98.84 ms. Allocated memory is still 2.7 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:30,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -257.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 740.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25023.48 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 98.84 ms. Allocated memory is still 2.7 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(8 == a12)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || ((a8 <= 13 && !(a20 == 1)) && !(a16 == 6))) || !(0 == \old(a7))) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 24.9s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1429 SDtfs, 8267 SDslu, 2066 SDs, 0 SdLazy, 11066 SolverSat, 2182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2354 GetRequests, 2210 SyntacticMatches, 9 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12592occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968739938177931 AbsIntWeakeningRatio, 0.23269513991163476 AbsIntAvgWeakeningVarsNumRemoved, 28.384388807069218 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 455 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 362 PreInvPairs, 584 NumberOfFragments, 970 HoareAnnotationTreeSize, 362 FomulaSimplifications, 10426 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5996 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2404 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260476 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2065 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1714/1933 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...