./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_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_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/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 29670da151301b8436a6c7ddafad57f5257b4a8d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:37:28,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:37:28,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:37:28,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:37:28,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:37:28,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:37:28,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:37:28,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:37:29,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:37:29,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:37:29,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:37:29,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:37:29,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:37:29,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:37:29,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:37:29,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:37:29,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:37:29,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:37:29,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:37:29,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:37:29,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:37:29,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:37:29,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:37:29,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:37:29,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:37:29,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:37:29,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:37:29,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:37:29,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:37:29,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:37:29,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:37:29,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:37:29,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:37:29,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:37:29,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:37:29,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:37:29,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:37:29,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:37:29,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:37:29,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:37:29,025 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:37:29,025 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:37:29,025 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:37:29,025 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:37:29,025 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:37:29,026 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:37:29,026 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:37:29,026 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:37:29,026 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:37:29,026 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:37:29,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:37:29,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:37:29,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:37:29,028 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:37:29,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:37:29,029 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:37:29,030 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:37:29,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:37:29,030 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:37:29,030 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_cc9ba694-ae10-4627-a979-4b963ac4c144/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-11-23 04:37:29,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:37:29,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:37:29,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:37:29,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:37:29,069 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:37:29,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:37:29,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/data/02eb978b8/ec3dd14d8a7b491e91be0d984a333014/FLAG4c0378882 [2018-11-23 04:37:29,553 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:37:29,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:37:29,562 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/data/02eb978b8/ec3dd14d8a7b491e91be0d984a333014/FLAG4c0378882 [2018-11-23 04:37:29,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/data/02eb978b8/ec3dd14d8a7b491e91be0d984a333014 [2018-11-23 04:37:29,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:37:29,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:37:29,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:37:29,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:37:29,580 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:37:29,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:29,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29, skipping insertion in model container [2018-11-23 04:37:29,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:29,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:37:29,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:37:29,882 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:37:29,885 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:37:29,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:37:29,961 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:37:29,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29 WrapperNode [2018-11-23 04:37:29,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:37:29,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:37:29,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:37:29,963 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:37:30,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:37:30,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:37:30,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:37:30,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:37:30,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... [2018-11-23 04:37:30,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:37:30,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:37:30,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:37:30,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:37:30,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:37:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:37:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:37:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:37:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:37:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:37:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:37:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:37:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:37:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:37:30,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:37:30,953 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:37:30,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:30 BoogieIcfgContainer [2018-11-23 04:37:30,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:37:30,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:37:30,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:37:30,957 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:37:30,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:37:29" (1/3) ... [2018-11-23 04:37:30,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:37:30, skipping insertion in model container [2018-11-23 04:37:30,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:29" (2/3) ... [2018-11-23 04:37:30,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:37:30, skipping insertion in model container [2018-11-23 04:37:30,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:30" (3/3) ... [2018-11-23 04:37:30,960 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-11-23 04:37:30,968 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:37:30,974 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:37:30,987 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:37:31,013 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:37:31,013 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:37:31,013 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:37:31,013 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:37:31,013 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:37:31,014 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:37:31,014 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:37:31,014 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:37:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 04:37:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 04:37:31,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:31,040 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:31,042 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:31,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:31,047 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2018-11-23 04:37:31,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:31,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:31,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:31,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:31,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:31,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:37:31,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:37:31,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:31,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:37:31,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:37:31,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:37:31,380 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 04:37:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:31,943 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 04:37:31,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:37:31,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-23 04:37:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:31,954 INFO L225 Difference]: With dead ends: 547 [2018-11-23 04:37:31,954 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 04:37:31,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:37:31,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 04:37:31,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 04:37:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 04:37:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 04:37:32,002 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 125 [2018-11-23 04:37:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:32,003 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 04:37:32,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:37:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 04:37:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 04:37:32,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:32,007 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:32,008 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:32,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:32,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2018-11-23 04:37:32,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:32,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:32,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:32,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:32,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:32,080 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 04:37:32,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:37:32,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:37:32,080 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:32,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:37:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:37:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:37:32,083 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 04:37:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:32,687 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 04:37:32,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:37:32,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-23 04:37:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:32,693 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 04:37:32,693 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 04:37:32,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:37:32,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 04:37:32,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 04:37:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 04:37:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 04:37:32,724 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 134 [2018-11-23 04:37:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:32,725 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 04:37:32,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:37:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 04:37:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 04:37:32,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:32,729 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:32,730 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:32,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:32,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2018-11-23 04:37:32,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:32,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:32,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:32,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:32,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:32,828 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 04:37:32,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:32,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:32,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-23 04:37:32,830 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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:32,858 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:32,858 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:33,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:33,335 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 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 04:37:33,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:33,350 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:33,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:33,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:37:33,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:33,367 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:33,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 04:37:33,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 04:37:33,573 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:37:33,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 04:37:33,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:33,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:37:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:37:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:37:33,574 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 3 states. [2018-11-23 04:37:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:34,020 INFO L93 Difference]: Finished difference Result 1938 states and 3105 transitions. [2018-11-23 04:37:34,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:37:34,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-11-23 04:37:34,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:34,027 INFO L225 Difference]: With dead ends: 1938 [2018-11-23 04:37:34,027 INFO L226 Difference]: Without dead ends: 1215 [2018-11-23 04:37:34,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:37:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2018-11-23 04:37:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2018-11-23 04:37:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2018-11-23 04:37:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1832 transitions. [2018-11-23 04:37:34,053 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1832 transitions. Word has length 145 [2018-11-23 04:37:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:34,054 INFO L480 AbstractCegarLoop]: Abstraction has 1215 states and 1832 transitions. [2018-11-23 04:37:34,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:37:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1832 transitions. [2018-11-23 04:37:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 04:37:34,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:34,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:34,057 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:34,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:34,057 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2018-11-23 04:37:34,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:34,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:34,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:34,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:34,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:34,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:34,184 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:34,185 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-23 04:37:34,185 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:34,190 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:34,190 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:34,298 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:37:34,298 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 1667 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1667 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-23 04:37:34,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:34,306 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:37:34,495 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.57% of their original sizes. [2018-11-23 04:37:34,496 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:37:34,529 INFO L415 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-11-23 04:37:34,529 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:37:34,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:37:34,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-11-23 04:37:34,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:34,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:37:34,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:37:34,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:37:34,531 INFO L87 Difference]: Start difference. First operand 1215 states and 1832 transitions. Second operand 6 states. [2018-11-23 04:37:36,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:36,489 INFO L93 Difference]: Finished difference Result 2560 states and 3870 transitions. [2018-11-23 04:37:36,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:37:36,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-11-23 04:37:36,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:36,493 INFO L225 Difference]: With dead ends: 2560 [2018-11-23 04:37:36,493 INFO L226 Difference]: Without dead ends: 1351 [2018-11-23 04:37:36,495 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:37:36,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2018-11-23 04:37:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1350. [2018-11-23 04:37:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2018-11-23 04:37:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1977 transitions. [2018-11-23 04:37:36,516 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1977 transitions. Word has length 144 [2018-11-23 04:37:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:36,517 INFO L480 AbstractCegarLoop]: Abstraction has 1350 states and 1977 transitions. [2018-11-23 04:37:36,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:37:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1977 transitions. [2018-11-23 04:37:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 04:37:36,520 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:36,520 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:36,520 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:36,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:36,521 INFO L82 PathProgramCache]: Analyzing trace with hash -725100967, now seen corresponding path program 1 times [2018-11-23 04:37:36,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:36,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:36,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:36,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:36,522 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:36,654 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 04:37:36,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:36,655 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:36,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 04:37:36,655 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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:36,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:36,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:36,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:37:36,794 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 4 different actions 4 times. Never widened. Performed 3332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3332 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 04:37:36,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:36,805 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:37:36,927 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.03% of their original sizes. [2018-11-23 04:37:36,927 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:37:36,974 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-23 04:37:36,974 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:37:36,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:37:36,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 04:37:36,974 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:36,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:37:36,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:37:36,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:37:36,975 INFO L87 Difference]: Start difference. First operand 1350 states and 1977 transitions. Second operand 10 states. [2018-11-23 04:37:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:39,484 INFO L93 Difference]: Finished difference Result 2698 states and 3991 transitions. [2018-11-23 04:37:39,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 04:37:39,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-11-23 04:37:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:39,487 INFO L225 Difference]: With dead ends: 2698 [2018-11-23 04:37:39,488 INFO L226 Difference]: Without dead ends: 1489 [2018-11-23 04:37:39,489 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 04:37:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2018-11-23 04:37:39,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1487. [2018-11-23 04:37:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2018-11-23 04:37:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 2122 transitions. [2018-11-23 04:37:39,510 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 2122 transitions. Word has length 152 [2018-11-23 04:37:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:39,511 INFO L480 AbstractCegarLoop]: Abstraction has 1487 states and 2122 transitions. [2018-11-23 04:37:39,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:37:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2122 transitions. [2018-11-23 04:37:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 04:37:39,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:39,515 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:39,515 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:39,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:39,515 INFO L82 PathProgramCache]: Analyzing trace with hash 513207895, now seen corresponding path program 1 times [2018-11-23 04:37:39,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:39,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:39,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:39,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:39,516 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:39,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:39,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:39,580 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 04:37:39,581 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:39,583 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:39,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:39,695 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:39,695 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3470 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3470 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 04:37:39,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:39,697 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:39,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:39,697 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:37:39,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:39,703 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:39,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:39,805 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:39,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:37:39,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-23 04:37:39,867 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:37:39,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:37:39,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:37:39,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-23 04:37:39,868 INFO L87 Difference]: Start difference. First operand 1487 states and 2122 transitions. Second operand 9 states. [2018-11-23 04:37:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:41,619 INFO L93 Difference]: Finished difference Result 5920 states and 9155 transitions. [2018-11-23 04:37:41,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 04:37:41,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 04:37:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:41,636 INFO L225 Difference]: With dead ends: 5920 [2018-11-23 04:37:41,636 INFO L226 Difference]: Without dead ends: 4201 [2018-11-23 04:37:41,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=235, Invalid=821, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 04:37:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2018-11-23 04:37:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 4140. [2018-11-23 04:37:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2018-11-23 04:37:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5341 transitions. [2018-11-23 04:37:41,743 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5341 transitions. Word has length 155 [2018-11-23 04:37:41,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:41,744 INFO L480 AbstractCegarLoop]: Abstraction has 4140 states and 5341 transitions. [2018-11-23 04:37:41,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:37:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5341 transitions. [2018-11-23 04:37:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 04:37:41,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:41,752 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:41,752 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:41,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:41,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1757665310, now seen corresponding path program 1 times [2018-11-23 04:37:41,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:41,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:41,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:41,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:41,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:37:41,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:41,816 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:41,816 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-23 04:37:41,816 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:41,819 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:41,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:42,004 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:42,005 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 3 different actions 3 times. Never widened. Performed 3498 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 04:37:42,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:42,017 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:42,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:42,017 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/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 04:37:42,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:42,024 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:42,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:37:42,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:37:42,147 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:37:42,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 04:37:42,147 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:42,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:37:42,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:37:42,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:37:42,148 INFO L87 Difference]: Start difference. First operand 4140 states and 5341 transitions. Second operand 3 states. [2018-11-23 04:37:42,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:42,501 INFO L93 Difference]: Finished difference Result 11544 states and 15226 transitions. [2018-11-23 04:37:42,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:37:42,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-11-23 04:37:42,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:42,520 INFO L225 Difference]: With dead ends: 11544 [2018-11-23 04:37:42,520 INFO L226 Difference]: Without dead ends: 7589 [2018-11-23 04:37:42,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:37:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7589 states. [2018-11-23 04:37:42,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7589 to 7550. [2018-11-23 04:37:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7550 states. [2018-11-23 04:37:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 9614 transitions. [2018-11-23 04:37:42,631 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 9614 transitions. Word has length 164 [2018-11-23 04:37:42,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:42,631 INFO L480 AbstractCegarLoop]: Abstraction has 7550 states and 9614 transitions. [2018-11-23 04:37:42,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:37:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 9614 transitions. [2018-11-23 04:37:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 04:37:42,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:42,640 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:42,641 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:42,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:42,641 INFO L82 PathProgramCache]: Analyzing trace with hash -720187387, now seen corresponding path program 1 times [2018-11-23 04:37:42,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:42,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:42,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 04:37:42,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:42,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:42,707 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-23 04:37:42,708 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:42,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:42,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:42,823 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:42,824 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3450 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3450 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 04:37:42,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:42,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:42,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:42,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/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 04:37:42,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:42,842 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:42,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 04:37:42,924 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 04:37:42,998 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:37:42,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 04:37:42,998 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:37:42,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:37:42,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:37:42,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:37:42,999 INFO L87 Difference]: Start difference. First operand 7550 states and 9614 transitions. Second operand 9 states. [2018-11-23 04:37:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:44,138 INFO L93 Difference]: Finished difference Result 16453 states and 21290 transitions. [2018-11-23 04:37:44,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 04:37:44,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-11-23 04:37:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:44,158 INFO L225 Difference]: With dead ends: 16453 [2018-11-23 04:37:44,158 INFO L226 Difference]: Without dead ends: 9181 [2018-11-23 04:37:44,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2018-11-23 04:37:44,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9181 states. [2018-11-23 04:37:44,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9181 to 8028. [2018-11-23 04:37:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8028 states. [2018-11-23 04:37:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8028 states to 8028 states and 9631 transitions. [2018-11-23 04:37:44,308 INFO L78 Accepts]: Start accepts. Automaton has 8028 states and 9631 transitions. Word has length 189 [2018-11-23 04:37:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:44,308 INFO L480 AbstractCegarLoop]: Abstraction has 8028 states and 9631 transitions. [2018-11-23 04:37:44,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:37:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 8028 states and 9631 transitions. [2018-11-23 04:37:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 04:37:44,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:44,318 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:44,318 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:44,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:44,319 INFO L82 PathProgramCache]: Analyzing trace with hash -186171883, now seen corresponding path program 1 times [2018-11-23 04:37:44,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:44,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:44,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:44,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:44,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 04:37:44,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:44,469 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:44,469 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-23 04:37:44,469 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:44,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:44,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:44,580 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:44,581 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 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 04:37:44,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:44,593 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:44,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:44,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:37:44,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:44,602 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:44,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 04:37:44,682 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 04:37:44,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:37:44,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 04:37:44,746 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:37:44,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:37:44,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:37:44,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:37:44,746 INFO L87 Difference]: Start difference. First operand 8028 states and 9631 transitions. Second operand 9 states. [2018-11-23 04:37:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:46,145 INFO L93 Difference]: Finished difference Result 16719 states and 20505 transitions. [2018-11-23 04:37:46,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 04:37:46,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2018-11-23 04:37:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:46,169 INFO L225 Difference]: With dead ends: 16719 [2018-11-23 04:37:46,169 INFO L226 Difference]: Without dead ends: 8969 [2018-11-23 04:37:46,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2018-11-23 04:37:46,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8969 states. [2018-11-23 04:37:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8969 to 8759. [2018-11-23 04:37:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8759 states. [2018-11-23 04:37:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8759 states to 8759 states and 9925 transitions. [2018-11-23 04:37:46,324 INFO L78 Accepts]: Start accepts. Automaton has 8759 states and 9925 transitions. Word has length 197 [2018-11-23 04:37:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:46,324 INFO L480 AbstractCegarLoop]: Abstraction has 8759 states and 9925 transitions. [2018-11-23 04:37:46,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:37:46,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8759 states and 9925 transitions. [2018-11-23 04:37:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 04:37:46,337 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:46,338 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:37:46,338 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:46,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:46,338 INFO L82 PathProgramCache]: Analyzing trace with hash 514817816, now seen corresponding path program 1 times [2018-11-23 04:37:46,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:46,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:46,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,339 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 108 proven. 35 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 04:37:46,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:46,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:46,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-23 04:37:46,524 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [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], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 04:37:46,527 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:46,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:46,637 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:46,637 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 3 different actions 3 times. Never widened. Performed 3482 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3482 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 04:37:46,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:46,639 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:46,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:46,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:37:46,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:46,645 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:46,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 96 proven. 59 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-23 04:37:46,734 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-23 04:37:46,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:37:46,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-23 04:37:46,885 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:37:46,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 04:37:46,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 04:37:46,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:37:46,886 INFO L87 Difference]: Start difference. First operand 8759 states and 9925 transitions. Second operand 8 states. [2018-11-23 04:37:47,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:47,425 INFO L93 Difference]: Finished difference Result 13909 states and 15818 transitions. [2018-11-23 04:37:47,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 04:37:47,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 227 [2018-11-23 04:37:47,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:47,426 INFO L225 Difference]: With dead ends: 13909 [2018-11-23 04:37:47,426 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:37:47,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-11-23 04:37:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:37:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:37:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:37:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:37:47,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-11-23 04:37:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:47,444 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:37:47,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 04:37:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:37:47,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:37:47,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:37:47,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,676 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 115 [2018-11-23 04:37:47,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:37:47,802 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 114 [2018-11-23 04:37:49,286 WARN L180 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2018-11-23 04:37:49,629 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2018-11-23 04:37:49,924 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:37:49,926 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(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,926 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,927 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,928 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,929 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,930 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,931 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 04:37:49,932 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,933 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 04:37:49,934 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (<= 6 ~a16~0)) (.cse9 (<= ~a17~0 0)) (.cse20 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= 1 ~a21~0)) (.cse11 (= 1 ~a7~0)) (.cse12 (= |old(~a8~0)| ~a8~0)) (.cse21 (<= |old(~a16~0)| ~a16~0)) (.cse22 (not (= ~a16~0 6))) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (and .cse11 .cse12 .cse21 .cse22 .cse13 .cse15)) (.cse24 (and .cse9 .cse20 .cse12 .cse21 .cse22 .cse23 .cse13)) (.cse18 (and .cse20 .cse12 .cse22)) (.cse28 (not (= 0 |old(~a7~0)|))) (.cse29 (not (= 15 |old(~a8~0)|))) (.cse30 (not (= 5 |old(~a16~0)|))) (.cse31 (not (= 8 ~a12~0))) (.cse25 (= |calculate_output_#in~input| 0)) (.cse26 (= ~a17~0 1)) (.cse27 (= ~a16~0 5)) (.cse32 (not (= 1 |old(~a17~0)|))) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse19 (< 14 |old(~a8~0)|)) (.cse33 (and .cse20 .cse12 .cse13 .cse14 .cse15)) (.cse6 (= 13 |old(~a8~0)|)) (.cse16 (< |old(~a16~0)| 6)) (.cse4 (not (= 1 |old(~a7~0)|))) (.cse17 (< |old(~a8~0)| 15)) (.cse1 (< 13 |old(~a8~0)|)) (.cse34 (<= ~a20~0 0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse7 (< 0 |old(~a7~0)|)) (.cse8 (< 0 |old(~a17~0)|)) (.cse10 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse4 .cse8 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse16) (or (and .cse11 .cse12 .cse9) .cse4 .cse8 .cse17) (or .cse0 .cse5 .cse2 .cse18 .cse19 .cse7) (or .cse0 .cse5 (and .cse20 .cse12 .cse21 .cse22 .cse23 .cse13) .cse7 .cse10) (or .cse0 .cse3 .cse1 .cse4 .cse10) (or .cse0 .cse5 .cse2 .cse24 .cse7 .cse8) (or .cse25 (and .cse26 .cse27) (or .cse28 .cse5 .cse29 (not (= 0 |old(~a20~0)|)) .cse30 .cse31 .cse32)) (or .cse0 (and .cse11 .cse12 .cse22) .cse4 .cse17) (or .cse0 .cse5 .cse2 .cse4 .cse19 .cse24 .cse8) (or .cse5 .cse2 .cse7 .cse21 .cse16) (or .cse5 .cse2 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse33 .cse2 .cse7 .cse16) (or .cse0 (= |old(~a7~0)| 1) .cse1 .cse18) (or .cse0 .cse5 .cse6 .cse4 (and .cse11 .cse12 .cse21 .cse22 .cse9 .cse13 .cse15) .cse8 .cse10) (or .cse28 .cse5 .cse2 .cse29 .cse30 .cse31 .cse25 (and .cse26 .cse20 .cse12 .cse23 .cse13 .cse27) .cse32) (or .cse1 .cse2 .cse4 .cse8 .cse9) (or .cse5 (and .cse21 .cse13 .cse15) .cse2 .cse19 .cse7) (or .cse5 .cse33 .cse6 .cse7 .cse16 .cse10) (or (and .cse11 .cse12 .cse34) .cse4 .cse17 .cse10) (or .cse0 .cse1 .cse34 .cse10) (or .cse0 .cse5 .cse7 .cse8 .cse10 .cse9)))) [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 04:37:49,935 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 04:37:49,936 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,937 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 04:37:49,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:37:49,938 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 04:37:49,939 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:37:49,939 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:37:49,939 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) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-23 04:37:49,939 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 04:37:49,939 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-23 04:37:49,939 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 04:37:49,939 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 04:37:49,939 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 8 ~a12~0)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-23 04:37:49,939 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 04:37:49,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:37:49 BoogieIcfgContainer [2018-11-23 04:37:49,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:37:49,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:37:49,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:37:49,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:37:49,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:30" (3/4) ... [2018-11-23 04:37:49,954 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:37:49,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:37:49,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:37:49,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:37:49,965 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:37:49,966 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:37:49,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((!(1 == \old(a21)) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || !(8 == a12)) || (((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a8 <= 14)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6))) || (((1 == a21 && !(a8 == 13)) && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((!(a16 == 6) && 1 == a21) && a20 <= 0) && a7 <= 0)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a17 <= 0)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0) [2018-11-23 04:37:50,044 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc9ba694-ae10-4627-a979-4b963ac4c144/bin-2019/utaipan/witness.graphml [2018-11-23 04:37:50,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:37:50,046 INFO L168 Benchmark]: Toolchain (without parser) took 20468.71 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 953.9 MB in the beginning and 1.7 GB in the end (delta: -796.0 MB). Peak memory consumption was 311.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,046 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:37:50,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.80 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,047 INFO L168 Benchmark]: Boogie Preprocessor took 53.01 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,047 INFO L168 Benchmark]: RCFGBuilder took 862.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,047 INFO L168 Benchmark]: TraceAbstraction took 18995.49 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 952.6 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -732.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,047 INFO L168 Benchmark]: Witness Printer took 94.26 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:50,049 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.80 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 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 74.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.01 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 862.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18995.49 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 952.6 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -732.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 94.26 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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)) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || !(8 == a12)) || (((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a8 <= 14)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6))) || (((1 == a21 && !(a8 == 13)) && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((!(a16 == 6) && 1 == a21) && a20 <= 0) && a7 <= 0)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a17 <= 0)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 11.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1628 SDtfs, 8142 SDslu, 1762 SDs, 0 SdLazy, 12912 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2611 GetRequests, 2467 SyntacticMatches, 13 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8759occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9979094833120141 AbsIntWeakeningRatio, 0.21768707482993196 AbsIntAvgWeakeningVarsNumRemoved, 30.04421768707483 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1476 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 249 PreInvPairs, 341 NumberOfFragments, 1294 HoareAnnotationTreeSize, 249 FomulaSimplifications, 9653 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3532 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2709 NumberOfCodeBlocks, 2709 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3764 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336434 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3232 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1620/1821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...