./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/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 9c94245f83a700fdfe2d62d007b32e9e3ae1452d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:42:10,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:42:10,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:42:10,978 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:42:10,979 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:42:10,979 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:42:10,980 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:42:10,981 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:42:10,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:42:10,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:42:10,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:42:10,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:42:10,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:42:10,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:42:10,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:42:10,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:42:10,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:42:10,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:42:10,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:42:10,987 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:42:10,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:42:10,988 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:42:10,990 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:42:10,990 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:42:10,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:42:10,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:42:10,991 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:42:10,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:42:10,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:42:10,992 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:42:10,992 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:42:10,993 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:42:10,993 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:42:10,993 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:42:10,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:42:10,994 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:42:10,994 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 14:42:11,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:42:11,001 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:42:11,002 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:42:11,002 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:42:11,002 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:42:11,002 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 14:42:11,003 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:42:11,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:42:11,004 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:42:11,004 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:42:11,004 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:42:11,004 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:42:11,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:42:11,005 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:42:11,005 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:42:11,006 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 14:42:11,006 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:42:11,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:42:11,007 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 14:42:11,007 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_19f79f29-d0de-4c6a-805b-3a273219be59/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 -> 9c94245f83a700fdfe2d62d007b32e9e3ae1452d [2018-12-09 14:42:11,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:42:11,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:42:11,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:42:11,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:42:11,034 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:42:11,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-09 14:42:11,069 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/data/91e56d98f/9b0ab4692fd64ff2b2a9fd343b112f86/FLAGb914e1989 [2018-12-09 14:42:11,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:42:11,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-09 14:42:11,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/data/91e56d98f/9b0ab4692fd64ff2b2a9fd343b112f86/FLAGb914e1989 [2018-12-09 14:42:12,065 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/data/91e56d98f/9b0ab4692fd64ff2b2a9fd343b112f86 [2018-12-09 14:42:12,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:42:12,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:42:12,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:42:12,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:42:12,078 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:42:12,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12, skipping insertion in model container [2018-12-09 14:42:12,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:42:12,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:42:12,476 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:42:12,478 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:42:12,676 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:42:12,686 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:42:12,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12 WrapperNode [2018-12-09 14:42:12,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:42:12,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:42:12,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:42:12,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:42:12,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:42:12,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:42:12,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:42:12,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:42:12,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... [2018-12-09 14:42:12,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:42:12,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:42:12,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:42:12,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:42:12,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:42:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:42:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:42:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 14:42:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 14:42:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 14:42:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 14:42:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:42:12,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:42:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:42:12,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:42:14,040 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:42:14,040 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 14:42:14,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:14 BoogieIcfgContainer [2018-12-09 14:42:14,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:42:14,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:42:14,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:42:14,043 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:42:14,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:42:12" (1/3) ... [2018-12-09 14:42:14,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7536bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:42:14, skipping insertion in model container [2018-12-09 14:42:14,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:42:12" (2/3) ... [2018-12-09 14:42:14,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7536bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:42:14, skipping insertion in model container [2018-12-09 14:42:14,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:14" (3/3) ... [2018-12-09 14:42:14,045 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label07_true-unreach-call.c [2018-12-09 14:42:14,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:42:14,057 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:42:14,067 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:42:14,088 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:42:14,088 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:42:14,088 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:42:14,088 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:42:14,089 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:42:14,089 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:42:14,089 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:42:14,089 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:42:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 14:42:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 14:42:14,110 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:14,111 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] [2018-12-09 14:42:14,112 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:14,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash -586545963, now seen corresponding path program 1 times [2018-12-09 14:42:14,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:14,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:14,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:14,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:14,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 14:42:14,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:14,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:42:14,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:42:14,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:42:14,318 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 14:42:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:15,336 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 14:42:15,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:42:15,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 14:42:15,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:15,350 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 14:42:15,350 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 14:42:15,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:42:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 14:42:15,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 14:42:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 14:42:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1154 transitions. [2018-12-09 14:42:15,420 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1154 transitions. Word has length 60 [2018-12-09 14:42:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:15,420 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1154 transitions. [2018-12-09 14:42:15,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:42:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1154 transitions. [2018-12-09 14:42:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 14:42:15,424 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:15,425 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:15,425 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:15,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:15,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1735550147, now seen corresponding path program 1 times [2018-12-09 14:42:15,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:15,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:15,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:15,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:15,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:15,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:15,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:15,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:15,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:15,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:15,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:15,558 INFO L87 Difference]: Start difference. First operand 682 states and 1154 transitions. Second operand 6 states. [2018-12-09 14:42:20,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:20,593 INFO L93 Difference]: Finished difference Result 2806 states and 4913 transitions. [2018-12-09 14:42:20,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 14:42:20,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-09 14:42:20,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:20,607 INFO L225 Difference]: With dead ends: 2806 [2018-12-09 14:42:20,608 INFO L226 Difference]: Without dead ends: 2130 [2018-12-09 14:42:20,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:42:20,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2018-12-09 14:42:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2087. [2018-12-09 14:42:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-09 14:42:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3383 transitions. [2018-12-09 14:42:20,680 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3383 transitions. Word has length 135 [2018-12-09 14:42:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:20,681 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 3383 transitions. [2018-12-09 14:42:20,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3383 transitions. [2018-12-09 14:42:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 14:42:20,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:20,683 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:20,683 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:20,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:20,684 INFO L82 PathProgramCache]: Analyzing trace with hash -98267403, now seen corresponding path program 1 times [2018-12-09 14:42:20,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:20,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:20,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:20,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:20,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:20,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:20,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:20,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:20,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:20,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:20,793 INFO L87 Difference]: Start difference. First operand 2087 states and 3383 transitions. Second operand 6 states. [2018-12-09 14:42:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:22,194 INFO L93 Difference]: Finished difference Result 5623 states and 9429 transitions. [2018-12-09 14:42:22,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:42:22,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-09 14:42:22,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:22,211 INFO L225 Difference]: With dead ends: 5623 [2018-12-09 14:42:22,211 INFO L226 Difference]: Without dead ends: 3542 [2018-12-09 14:42:22,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:42:22,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2018-12-09 14:42:22,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3503. [2018-12-09 14:42:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2018-12-09 14:42:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5697 transitions. [2018-12-09 14:42:22,289 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5697 transitions. Word has length 139 [2018-12-09 14:42:22,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:22,289 INFO L480 AbstractCegarLoop]: Abstraction has 3503 states and 5697 transitions. [2018-12-09 14:42:22,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5697 transitions. [2018-12-09 14:42:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 14:42:22,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:22,291 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:22,291 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:22,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:22,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1876426643, now seen corresponding path program 1 times [2018-12-09 14:42:22,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:22,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:22,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:22,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:42:22,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:42:22,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:42:22,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:22,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:22,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:22,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:22,374 INFO L87 Difference]: Start difference. First operand 3503 states and 5697 transitions. Second operand 6 states. [2018-12-09 14:42:23,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:42:23,719 INFO L93 Difference]: Finished difference Result 8509 states and 14339 transitions. [2018-12-09 14:42:23,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:42:23,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2018-12-09 14:42:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:42:23,738 INFO L225 Difference]: With dead ends: 8509 [2018-12-09 14:42:23,738 INFO L226 Difference]: Without dead ends: 5012 [2018-12-09 14:42:23,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:42:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2018-12-09 14:42:23,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4965. [2018-12-09 14:42:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4965 states. [2018-12-09 14:42:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 7686 transitions. [2018-12-09 14:42:23,827 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 7686 transitions. Word has length 175 [2018-12-09 14:42:23,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:42:23,827 INFO L480 AbstractCegarLoop]: Abstraction has 4965 states and 7686 transitions. [2018-12-09 14:42:23,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:42:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 7686 transitions. [2018-12-09 14:42:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-09 14:42:23,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:42:23,830 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:42:23,830 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:42:23,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:23,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1318797007, now seen corresponding path program 1 times [2018-12-09 14:42:23,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:42:23,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:23,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:42:23,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:42:23,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:42:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:42:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 106 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 14:42:23,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:42:23,919 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:42:23,919 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-09 14:42:23,920 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:42:23,947 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:42:23,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:42:24,144 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:42:24,145 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 734 root evaluator evaluations with a maximum evaluation depth of 8. Performed 734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 14:42:24,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:42:24,154 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:42:24,404 INFO L227 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 78.17% of their original sizes. [2018-12-09 14:42:24,404 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:42:24,439 INFO L418 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-12-09 14:42:24,439 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:42:24,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:42:24,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 14:42:24,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:42:24,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:42:24,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:42:24,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:42:24,440 INFO L87 Difference]: Start difference. First operand 4965 states and 7686 transitions. Second operand 6 states. [2018-12-09 14:43:21,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:43:21,672 INFO L93 Difference]: Finished difference Result 10262 states and 15840 transitions. [2018-12-09 14:43:21,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:43:21,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-12-09 14:43:21,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:43:21,688 INFO L225 Difference]: With dead ends: 10262 [2018-12-09 14:43:21,688 INFO L226 Difference]: Without dead ends: 5303 [2018-12-09 14:43:21,695 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:43:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2018-12-09 14:43:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5302. [2018-12-09 14:43:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5302 states. [2018-12-09 14:43:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5302 states to 5302 states and 8032 transitions. [2018-12-09 14:43:21,783 INFO L78 Accepts]: Start accepts. Automaton has 5302 states and 8032 transitions. Word has length 224 [2018-12-09 14:43:21,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:43:21,783 INFO L480 AbstractCegarLoop]: Abstraction has 5302 states and 8032 transitions. [2018-12-09 14:43:21,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:43:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5302 states and 8032 transitions. [2018-12-09 14:43:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 14:43:21,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:43:21,785 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:43:21,785 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:43:21,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:43:21,785 INFO L82 PathProgramCache]: Analyzing trace with hash 396142693, now seen corresponding path program 1 times [2018-12-09 14:43:21,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:43:21,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:43:21,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:43:21,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:43:21,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:43:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:43:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 107 proven. 14 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 14:43:21,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:43:21,892 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:43:21,892 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-12-09 14:43:21,892 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:43:21,894 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:43:21,894 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:43:22,015 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:43:22,015 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 4 different actions 7 times. Never widened. Performed 2587 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 14:43:22,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:43:22,019 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:43:22,181 INFO L227 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 80.87% of their original sizes. [2018-12-09 14:43:22,182 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:43:22,226 INFO L418 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-12-09 14:43:22,227 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:43:22,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:43:22,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 14:43:22,227 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:43:22,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:43:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:43:22,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:43:22,228 INFO L87 Difference]: Start difference. First operand 5302 states and 8032 transitions. Second operand 10 states. [2018-12-09 14:44:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:44:11,184 INFO L93 Difference]: Finished difference Result 12100 states and 18890 transitions. [2018-12-09 14:44:11,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 14:44:11,184 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2018-12-09 14:44:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:44:11,201 INFO L225 Difference]: With dead ends: 12100 [2018-12-09 14:44:11,201 INFO L226 Difference]: Without dead ends: 7141 [2018-12-09 14:44:11,208 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 14:44:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2018-12-09 14:44:11,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 6747. [2018-12-09 14:44:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6747 states. [2018-12-09 14:44:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6747 states to 6747 states and 9782 transitions. [2018-12-09 14:44:11,303 INFO L78 Accepts]: Start accepts. Automaton has 6747 states and 9782 transitions. Word has length 234 [2018-12-09 14:44:11,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:44:11,303 INFO L480 AbstractCegarLoop]: Abstraction has 6747 states and 9782 transitions. [2018-12-09 14:44:11,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:44:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6747 states and 9782 transitions. [2018-12-09 14:44:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-12-09 14:44:11,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:44:11,308 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:44:11,309 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:44:11,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:44:11,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1357705233, now seen corresponding path program 1 times [2018-12-09 14:44:11,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:44:11,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:44:11,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:44:11,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:44:11,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:44:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:44:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 242 proven. 81 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 14:44:11,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:44:11,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:44:11,552 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 464 with the following transitions: [2018-12-09 14:44:11,553 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:44:11,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:44:11,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:44:11,709 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:44:11,709 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5205 root evaluator evaluations with a maximum evaluation depth of 8. Performed 5205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 14:44:11,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:44:11,711 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:44:11,966 INFO L227 lantSequenceWeakener]: Weakened 460 states. On average, predicates are now at 77.73% of their original sizes. [2018-12-09 14:44:11,966 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:44:11,997 INFO L418 sIntCurrentIteration]: We unified 462 AI predicates to 462 [2018-12-09 14:44:11,998 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:44:11,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:44:11,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 14:44:11,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:44:11,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:44:11,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:44:11,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:44:11,999 INFO L87 Difference]: Start difference. First operand 6747 states and 9782 transitions. Second operand 10 states. [2018-12-09 14:45:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:26,920 INFO L93 Difference]: Finished difference Result 14166 states and 20391 transitions. [2018-12-09 14:45:26,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 14:45:26,920 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 463 [2018-12-09 14:45:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:26,932 INFO L225 Difference]: With dead ends: 14166 [2018-12-09 14:45:26,932 INFO L226 Difference]: Without dead ends: 7425 [2018-12-09 14:45:26,938 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 470 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 14:45:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2018-12-09 14:45:27,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 7423. [2018-12-09 14:45:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7423 states. [2018-12-09 14:45:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7423 states to 7423 states and 10485 transitions. [2018-12-09 14:45:27,019 INFO L78 Accepts]: Start accepts. Automaton has 7423 states and 10485 transitions. Word has length 463 [2018-12-09 14:45:27,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:27,019 INFO L480 AbstractCegarLoop]: Abstraction has 7423 states and 10485 transitions. [2018-12-09 14:45:27,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:45:27,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7423 states and 10485 transitions. [2018-12-09 14:45:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-12-09 14:45:27,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:27,027 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:27,028 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:27,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:27,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2073496119, now seen corresponding path program 1 times [2018-12-09 14:45:27,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:27,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:27,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:27,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:27,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-12-09 14:45:27,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:27,736 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:27,736 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-12-09 14:45:27,737 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:27,742 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:27,742 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:28,061 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:28,061 INFO L272 AbstractInterpreter]: Visited 250 different actions 992 times. Merged at 6 different actions 25 times. Never widened. Performed 11811 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 14:45:28,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:28,064 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:28,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:28,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:45:28,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:28,074 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:28,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 521 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 14:45:28,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-12-09 14:45:28,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:28,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 14:45:28,673 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:28,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 14:45:28,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 14:45:28,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 14:45:28,674 INFO L87 Difference]: Start difference. First operand 7423 states and 10485 transitions. Second operand 15 states. [2018-12-09 14:45:34,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:34,117 INFO L93 Difference]: Finished difference Result 15285 states and 22335 transitions. [2018-12-09 14:45:34,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 14:45:34,117 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 554 [2018-12-09 14:45:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:34,129 INFO L225 Difference]: With dead ends: 15285 [2018-12-09 14:45:34,129 INFO L226 Difference]: Without dead ends: 8140 [2018-12-09 14:45:34,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 14:45:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8140 states. [2018-12-09 14:45:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8140 to 7675. [2018-12-09 14:45:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7675 states. [2018-12-09 14:45:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7675 states to 7675 states and 8927 transitions. [2018-12-09 14:45:34,216 INFO L78 Accepts]: Start accepts. Automaton has 7675 states and 8927 transitions. Word has length 554 [2018-12-09 14:45:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:34,216 INFO L480 AbstractCegarLoop]: Abstraction has 7675 states and 8927 transitions. [2018-12-09 14:45:34,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 14:45:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7675 states and 8927 transitions. [2018-12-09 14:45:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2018-12-09 14:45:34,221 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:34,221 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:34,221 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:34,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:34,221 INFO L82 PathProgramCache]: Analyzing trace with hash 685204324, now seen corresponding path program 1 times [2018-12-09 14:45:34,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:34,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:34,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:34,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:34,222 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 451 proven. 307 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-09 14:45:34,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:34,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:34,851 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 652 with the following transitions: [2018-12-09 14:45:34,852 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:34,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:34,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:35,341 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:35,341 INFO L272 AbstractInterpreter]: Visited 258 different actions 1282 times. Merged at 8 different actions 35 times. Never widened. Performed 15646 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 14:45:35,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:35,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:35,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:35,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:45:35,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:35,419 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:35,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-09 14:45:35,624 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-09 14:45:35,817 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:35,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 14:45:35,817 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:35,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 14:45:35,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 14:45:35,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-09 14:45:35,818 INFO L87 Difference]: Start difference. First operand 7675 states and 8927 transitions. Second operand 15 states. [2018-12-09 14:45:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:40,206 INFO L93 Difference]: Finished difference Result 19544 states and 23573 transitions. [2018-12-09 14:45:40,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-09 14:45:40,206 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 651 [2018-12-09 14:45:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:40,231 INFO L225 Difference]: With dead ends: 19544 [2018-12-09 14:45:40,232 INFO L226 Difference]: Without dead ends: 12551 [2018-12-09 14:45:40,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1393 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=675, Invalid=2747, Unknown=0, NotChecked=0, Total=3422 [2018-12-09 14:45:40,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2018-12-09 14:45:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 10098. [2018-12-09 14:45:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10098 states. [2018-12-09 14:45:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10098 states to 10098 states and 11642 transitions. [2018-12-09 14:45:40,352 INFO L78 Accepts]: Start accepts. Automaton has 10098 states and 11642 transitions. Word has length 651 [2018-12-09 14:45:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:40,352 INFO L480 AbstractCegarLoop]: Abstraction has 10098 states and 11642 transitions. [2018-12-09 14:45:40,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 14:45:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 10098 states and 11642 transitions. [2018-12-09 14:45:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2018-12-09 14:45:40,359 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:40,359 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 14:45:40,359 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:40,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:40,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2093574483, now seen corresponding path program 1 times [2018-12-09 14:45:40,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:40,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:40,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:40,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:40,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 442 proven. 513 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-09 14:45:40,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:40,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:40,879 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 816 with the following transitions: [2018-12-09 14:45:40,879 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:40,882 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:40,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:41,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:41,170 INFO L272 AbstractInterpreter]: Visited 251 different actions 749 times. Merged at 7 different actions 18 times. Never widened. Performed 8438 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8438 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 14:45:41,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:41,171 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:41,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:41,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/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 [2018-12-09 14:45:41,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:41,177 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:41,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 788 proven. 2 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2018-12-09 14:45:41,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 524 proven. 81 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-12-09 14:45:41,689 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:41,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-09 14:45:41,689 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:41,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 14:45:41,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 14:45:41,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-12-09 14:45:41,690 INFO L87 Difference]: Start difference. First operand 10098 states and 11642 transitions. Second operand 11 states. [2018-12-09 14:45:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:44,476 INFO L93 Difference]: Finished difference Result 23279 states and 26994 transitions. [2018-12-09 14:45:44,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 14:45:44,477 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 815 [2018-12-09 14:45:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:44,494 INFO L225 Difference]: With dead ends: 23279 [2018-12-09 14:45:44,494 INFO L226 Difference]: Without dead ends: 13524 [2018-12-09 14:45:44,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1668 GetRequests, 1638 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2018-12-09 14:45:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13524 states. [2018-12-09 14:45:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13524 to 13155. [2018-12-09 14:45:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2018-12-09 14:45:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 14169 transitions. [2018-12-09 14:45:44,625 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 14169 transitions. Word has length 815 [2018-12-09 14:45:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:44,626 INFO L480 AbstractCegarLoop]: Abstraction has 13155 states and 14169 transitions. [2018-12-09 14:45:44,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 14:45:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 14169 transitions. [2018-12-09 14:45:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-12-09 14:45:44,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:44,633 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:44,633 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:44,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:44,633 INFO L82 PathProgramCache]: Analyzing trace with hash 418830997, now seen corresponding path program 1 times [2018-12-09 14:45:44,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:44,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:44,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:44,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:44,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-09 14:45:45,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:45,062 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:45,062 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 836 with the following transitions: [2018-12-09 14:45:45,062 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:45,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:45,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:45,466 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:45,466 INFO L272 AbstractInterpreter]: Visited 251 different actions 1007 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 11857 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11857 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 14:45:45,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:45,468 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:45,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:45,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/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 [2018-12-09 14:45:45,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:45,474 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:45,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-09 14:45:45,741 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-09 14:45:46,014 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:46,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 14:45:46,014 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:46,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:45:46,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:45:46,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:45:46,015 INFO L87 Difference]: Start difference. First operand 13155 states and 14169 transitions. Second operand 9 states. [2018-12-09 14:45:47,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:47,472 INFO L93 Difference]: Finished difference Result 27639 states and 29942 transitions. [2018-12-09 14:45:47,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 14:45:47,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 835 [2018-12-09 14:45:47,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:47,490 INFO L225 Difference]: With dead ends: 27639 [2018-12-09 14:45:47,491 INFO L226 Difference]: Without dead ends: 15166 [2018-12-09 14:45:47,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1687 GetRequests, 1671 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 14:45:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15166 states. [2018-12-09 14:45:47,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15166 to 15154. [2018-12-09 14:45:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15154 states. [2018-12-09 14:45:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15154 states to 15154 states and 16233 transitions. [2018-12-09 14:45:47,631 INFO L78 Accepts]: Start accepts. Automaton has 15154 states and 16233 transitions. Word has length 835 [2018-12-09 14:45:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:47,631 INFO L480 AbstractCegarLoop]: Abstraction has 15154 states and 16233 transitions. [2018-12-09 14:45:47,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:45:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 15154 states and 16233 transitions. [2018-12-09 14:45:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-12-09 14:45:47,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:47,638 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:47,638 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:47,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:47,638 INFO L82 PathProgramCache]: Analyzing trace with hash 403872498, now seen corresponding path program 1 times [2018-12-09 14:45:47,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:47,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:47,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:47,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 270 proven. 538 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-12-09 14:45:48,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:48,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:48,151 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 837 with the following transitions: [2018-12-09 14:45:48,152 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:48,154 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:48,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:48,578 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:48,578 INFO L272 AbstractInterpreter]: Visited 251 different actions 1011 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 11834 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 14:45:48,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:48,580 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:48,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:48,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/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 [2018-12-09 14:45:48,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:48,586 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:48,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-09 14:45:48,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-09 14:45:49,059 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:45:49,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 14:45:49,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:45:49,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:45:49,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:45:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:45:49,060 INFO L87 Difference]: Start difference. First operand 15154 states and 16233 transitions. Second operand 3 states. [2018-12-09 14:45:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:49,764 INFO L93 Difference]: Finished difference Result 34015 states and 36480 transitions. [2018-12-09 14:45:49,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:45:49,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2018-12-09 14:45:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:49,785 INFO L225 Difference]: With dead ends: 34015 [2018-12-09 14:45:49,785 INFO L226 Difference]: Without dead ends: 19543 [2018-12-09 14:45:49,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1682 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:45:49,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19543 states. [2018-12-09 14:45:49,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19543 to 18195. [2018-12-09 14:45:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18195 states. [2018-12-09 14:45:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18195 states to 18195 states and 19424 transitions. [2018-12-09 14:45:49,948 INFO L78 Accepts]: Start accepts. Automaton has 18195 states and 19424 transitions. Word has length 836 [2018-12-09 14:45:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:49,948 INFO L480 AbstractCegarLoop]: Abstraction has 18195 states and 19424 transitions. [2018-12-09 14:45:49,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:45:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 18195 states and 19424 transitions. [2018-12-09 14:45:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2018-12-09 14:45:49,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:49,959 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:49,959 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:49,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:49,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2084138431, now seen corresponding path program 1 times [2018-12-09 14:45:49,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:49,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:49,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:49,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:49,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 215 proven. 6 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2018-12-09 14:45:50,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:50,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:50,607 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 991 with the following transitions: [2018-12-09 14:45:50,607 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:50,609 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:50,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:51,144 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:51,144 INFO L272 AbstractInterpreter]: Visited 313 different actions 1243 times. Merged at 7 different actions 23 times. Never widened. Performed 14982 root evaluator evaluations with a maximum evaluation depth of 19. Performed 14982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 7 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 14:45:51,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:51,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:51,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:51,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/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 [2018-12-09 14:45:51,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:51,152 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:51,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-09 14:45:51,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-09 14:45:52,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:52,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 14:45:52,061 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:52,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:45:52,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:45:52,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 14:45:52,062 INFO L87 Difference]: Start difference. First operand 18195 states and 19424 transitions. Second operand 9 states. [2018-12-09 14:45:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:53,636 INFO L93 Difference]: Finished difference Result 36777 states and 39455 transitions. [2018-12-09 14:45:53,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 14:45:53,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 990 [2018-12-09 14:45:53,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:53,656 INFO L225 Difference]: With dead ends: 36777 [2018-12-09 14:45:53,657 INFO L226 Difference]: Without dead ends: 17216 [2018-12-09 14:45:53,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2012 GetRequests, 1987 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2018-12-09 14:45:53,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17216 states. [2018-12-09 14:45:53,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17216 to 16109. [2018-12-09 14:45:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-12-09 14:45:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 16699 transitions. [2018-12-09 14:45:53,806 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 16699 transitions. Word has length 990 [2018-12-09 14:45:53,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:53,806 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 16699 transitions. [2018-12-09 14:45:53,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:45:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 16699 transitions. [2018-12-09 14:45:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2018-12-09 14:45:53,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:53,822 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:53,822 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:53,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:53,822 INFO L82 PathProgramCache]: Analyzing trace with hash -556423041, now seen corresponding path program 1 times [2018-12-09 14:45:53,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:53,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:53,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:53,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:53,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-12-09 14:45:54,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:54,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:54,640 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1404 with the following transitions: [2018-12-09 14:45:54,640 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:54,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:54,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:45:55,387 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:45:55,387 INFO L272 AbstractInterpreter]: Visited 319 different actions 1264 times. Merged at 10 different actions 29 times. Never widened. Performed 15409 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 14:45:55,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:55,389 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:45:55,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:55,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:45:55,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:55,395 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:45:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:55,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:45:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 2303 proven. 2 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2018-12-09 14:45:56,074 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:45:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-12-09 14:45:56,680 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:45:56,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 14:45:56,680 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:45:56,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 14:45:56,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 14:45:56,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 14:45:56,681 INFO L87 Difference]: Start difference. First operand 16109 states and 16699 transitions. Second operand 10 states. [2018-12-09 14:45:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:45:57,979 INFO L93 Difference]: Finished difference Result 31557 states and 32737 transitions. [2018-12-09 14:45:57,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 14:45:57,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1403 [2018-12-09 14:45:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:45:58,003 INFO L225 Difference]: With dead ends: 31557 [2018-12-09 14:45:58,003 INFO L226 Difference]: Without dead ends: 16130 [2018-12-09 14:45:58,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2837 GetRequests, 2813 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-09 14:45:58,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16130 states. [2018-12-09 14:45:58,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16130 to 16114. [2018-12-09 14:45:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16114 states. [2018-12-09 14:45:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16114 states to 16114 states and 16628 transitions. [2018-12-09 14:45:58,132 INFO L78 Accepts]: Start accepts. Automaton has 16114 states and 16628 transitions. Word has length 1403 [2018-12-09 14:45:58,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:45:58,132 INFO L480 AbstractCegarLoop]: Abstraction has 16114 states and 16628 transitions. [2018-12-09 14:45:58,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 14:45:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 16114 states and 16628 transitions. [2018-12-09 14:45:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1425 [2018-12-09 14:45:58,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:45:58,147 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:45:58,148 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:45:58,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:45:58,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1041894745, now seen corresponding path program 1 times [2018-12-09 14:45:58,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:45:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:58,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:45:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:45:58,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:45:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:45:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 14:45:59,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:45:59,180 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:45:59,180 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1425 with the following transitions: [2018-12-09 14:45:59,180 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:45:59,183 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:45:59,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:46:00,128 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:46:00,128 INFO L272 AbstractInterpreter]: Visited 318 different actions 1260 times. Merged at 9 different actions 29 times. Never widened. Performed 15349 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15349 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 14:46:00,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:46:00,130 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:46:00,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:46:00,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:46:00,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:46:00,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:46:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:46:00,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:46:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 14:46:00,804 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:46:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 14:46:01,557 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:46:01,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 14:46:01,557 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:46:01,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:46:01,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:46:01,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:46:01,558 INFO L87 Difference]: Start difference. First operand 16114 states and 16628 transitions. Second operand 9 states. [2018-12-09 14:46:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:46:04,949 INFO L93 Difference]: Finished difference Result 35684 states and 37040 transitions. [2018-12-09 14:46:04,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 14:46:04,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1424 [2018-12-09 14:46:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:46:04,968 INFO L225 Difference]: With dead ends: 35684 [2018-12-09 14:46:04,968 INFO L226 Difference]: Without dead ends: 18181 [2018-12-09 14:46:04,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2877 GetRequests, 2854 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 14:46:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18181 states. [2018-12-09 14:46:05,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18181 to 16430. [2018-12-09 14:46:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16430 states. [2018-12-09 14:46:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16430 states to 16430 states and 16965 transitions. [2018-12-09 14:46:05,119 INFO L78 Accepts]: Start accepts. Automaton has 16430 states and 16965 transitions. Word has length 1424 [2018-12-09 14:46:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:46:05,120 INFO L480 AbstractCegarLoop]: Abstraction has 16430 states and 16965 transitions. [2018-12-09 14:46:05,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:46:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 16430 states and 16965 transitions. [2018-12-09 14:46:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2018-12-09 14:46:05,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:46:05,140 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:46:05,140 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:46:05,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:46:05,140 INFO L82 PathProgramCache]: Analyzing trace with hash -975837139, now seen corresponding path program 1 times [2018-12-09 14:46:05,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:46:05,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:46:05,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:46:05,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:46:05,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:46:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:46:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-12-09 14:46:06,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:46:06,034 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:46:06,035 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1638 with the following transitions: [2018-12-09 14:46:06,035 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:46:06,037 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:46:06,037 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:46:06,828 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:46:06,828 INFO L272 AbstractInterpreter]: Visited 321 different actions 1283 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 15580 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15580 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 14:46:06,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:46:06,829 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:46:06,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:46:06,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:46:06,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:46:06,835 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:46:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:46:06,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:46:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3468 proven. 2 refuted. 0 times theorem prover too weak. 1727 trivial. 0 not checked. [2018-12-09 14:46:07,611 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:46:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-12-09 14:46:08,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:46:08,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 14:46:08,394 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:46:08,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:46:08,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:46:08,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:46:08,395 INFO L87 Difference]: Start difference. First operand 16430 states and 16965 transitions. Second operand 9 states. [2018-12-09 14:46:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:46:10,144 INFO L93 Difference]: Finished difference Result 32631 states and 33879 transitions. [2018-12-09 14:46:10,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 14:46:10,144 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1637 [2018-12-09 14:46:10,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:46:10,170 INFO L225 Difference]: With dead ends: 32631 [2018-12-09 14:46:10,170 INFO L226 Difference]: Without dead ends: 16883 [2018-12-09 14:46:10,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3297 GetRequests, 3278 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-12-09 14:46:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2018-12-09 14:46:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16434. [2018-12-09 14:46:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16434 states. [2018-12-09 14:46:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16434 states to 16434 states and 16924 transitions. [2018-12-09 14:46:10,335 INFO L78 Accepts]: Start accepts. Automaton has 16434 states and 16924 transitions. Word has length 1637 [2018-12-09 14:46:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:46:10,336 INFO L480 AbstractCegarLoop]: Abstraction has 16434 states and 16924 transitions. [2018-12-09 14:46:10,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:46:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 16434 states and 16924 transitions. [2018-12-09 14:46:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2018-12-09 14:46:10,352 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:46:10,352 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:46:10,352 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:46:10,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:46:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812407, now seen corresponding path program 1 times [2018-12-09 14:46:10,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:46:10,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:46:10,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:46:10,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:46:10,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:46:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:46:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1150 proven. 548 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2018-12-09 14:46:12,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:46:12,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:46:12,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1640 with the following transitions: [2018-12-09 14:46:12,108 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 14:46:12,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:46:12,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:46:13,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:46:13,136 INFO L272 AbstractInterpreter]: Visited 319 different actions 1273 times. Merged at 10 different actions 38 times. Widened at 1 different actions 1 times. Performed 15472 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15472 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 14:46:13,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:46:13,138 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:46:13,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:46:13,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:46:13,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:46:13,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:46:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:46:13,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:46:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 3084 proven. 2 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2018-12-09 14:46:14,236 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:46:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1196 proven. 486 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2018-12-09 14:46:16,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:46:16,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 14:46:16,499 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:46:16,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 14:46:16,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 14:46:16,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-12-09 14:46:16,501 INFO L87 Difference]: Start difference. First operand 16434 states and 16924 transitions. Second operand 15 states. [2018-12-09 14:46:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:46:21,416 INFO L93 Difference]: Finished difference Result 32579 states and 33627 transitions. [2018-12-09 14:46:21,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 14:46:21,416 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1639 [2018-12-09 14:46:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:46:21,417 INFO L225 Difference]: With dead ends: 32579 [2018-12-09 14:46:21,417 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:46:21,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3340 GetRequests, 3297 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1344, Unknown=0, NotChecked=0, Total=1640 [2018-12-09 14:46:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:46:21,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:46:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:46:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:46:21,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1639 [2018-12-09 14:46:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:46:21,433 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:46:21,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 14:46:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:46:21,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:46:21,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:46:21,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,007 WARN L180 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 523 [2018-12-09 14:46:22,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:46:22,922 WARN L180 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 546 [2018-12-09 14:46:24,984 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 519 DAG size of output: 84 [2018-12-09 14:46:27,809 WARN L180 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 373 DAG size of output: 86 [2018-12-09 14:46:29,059 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 380 DAG size of output: 82 [2018-12-09 14:46:30,951 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 442 DAG size of output: 114 [2018-12-09 14:46:33,019 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 539 DAG size of output: 81 [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,021 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse22 (= |old(~a15~0)| ~a15~0)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse6 (= 5 |old(~a12~0)|)) (.cse21 (= 8 |old(~a16~0)|)) (.cse8 (< |old(~a12~0)| 7)) (.cse5 (= 7 |old(~a12~0)|))) (let ((.cse9 (or .cse8 .cse5 (< 8 |old(~a16~0)|))) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse12 (= 3 ~a15~0)) (.cse17 (not .cse21)) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse7 (< 7 |old(~a12~0)|)) (.cse4 (= 12 |old(~a16~0)|)) (.cse18 (< |old(~a15~0)| 4)) (.cse3 (= 4 |old(~a15~0)|)) (.cse19 (not (= 8 |old(~a12~0)|))) (.cse15 (not .cse5)) (.cse16 (<= (+ |old(~a18~0)| 156) 0)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse20 (not .cse6)) (.cse0 (and .cse22 .cse11 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< |old(~a16~0)| 12) .cse0 .cse1) (or .cse4 .cse5 .cse6 .cse0 .cse7) (or .cse8 .cse3 .cse0 .cse2) (or .cse0 .cse3 .cse9) (or (or .cse10 (not (= 11 |old(~a16~0)|))) (and (and .cse11 .cse12 .cse13) .cse14) .cse1) (or .cse9 .cse0 .cse1) (or .cse5 .cse3 .cse6 .cse0 .cse7) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15 (< 0 (+ |old(~a18~0)| 87)) .cse16) (or .cse17 .cse15 .cse0 .cse18) (or .cse17 .cse19 .cse0) (or .cse0 .cse19 .cse2) (or .cse0 .cse2 .cse7 .cse18) (or .cse4 .cse20 .cse18 .cse0) (or .cse3 .cse0 .cse19) (or (or .cse15 .cse21) .cse10 (and (and .cse22 .cse11 .cse13) .cse14) .cse16) (or .cse10 .cse20 .cse0 (= 0 |old(~a16~0)|) .cse21)))) [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,022 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,023 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse20 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse3 (< |old(~a12~0)| 7)) (.cse16 (= 7 |old(~a12~0)|)) (.cse24 (= 8 |old(~a16~0)|)) (.cse17 (= 5 |old(~a12~0)|))) (let ((.cse14 (not .cse17)) (.cse11 (not .cse24)) (.cse19 (or .cse3 .cse16 (< 8 |old(~a16~0)|))) (.cse22 (= |old(~a16~0)| ~a16~0)) (.cse4 (= 4 |old(~a15~0)|)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse18 (not (= 8 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse12 (< 7 |old(~a12~0)|)) (.cse13 (< |old(~a15~0)| 4)) (.cse0 (and .cse20 .cse7 .cse9 .cse10)) (.cse15 (= |calculate_output_#in~input| 0)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse21 (not (= calculate_output_~input 0))) (.cse8 (= 3 ~a15~0)) (.cse26 (+ |old(~a18~0)| 87)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse23 (not .cse16)) (.cse25 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or (or .cse5 .cse6) (and (and .cse7 .cse8 .cse9) .cse10) .cse1) (or .cse11 .cse0 .cse12 .cse13) (or .cse11 (or .cse5 .cse14) .cse15) (or .cse16 .cse4 .cse17 .cse0 .cse12) (or .cse4 .cse18 .cse0) (or .cse19 (and (and .cse7 .cse9) .cse20 .cse10) .cse1) (or .cse5 .cse14 (and .cse20 .cse21 .cse7 .cse9 .cse10) (= 0 |old(~a16~0)|) .cse15) (or .cse0 (= 12 |old(~a16~0)|) .cse16 .cse12 .cse13) (or .cse11 .cse18 (and (and .cse22 .cse9) .cse20 .cse10)) (or .cse4 .cse19 (and (and .cse22 .cse9 .cse10) .cse20)) (or .cse4 .cse0 (< |old(~a16~0)| 12) .cse1) (or .cse0 .cse18 .cse2) (or .cse0 .cse2 .cse12 .cse13) (or .cse5 .cse0 .cse23 .cse24 .cse25) (or .cse15 (or .cse5 (not (= 6 |old(~a12~0)|)) .cse6) (not (= .cse26 0)) .cse21) (or .cse5 .cse23 (and .cse7 .cse8 .cse9 .cse10) (< 0 .cse26) .cse25) (or .cse5 (or .cse23 .cse24) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 79))) .cse25)))) [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 14:46:33,024 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,025 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,026 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,027 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,028 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse8 (< |old(~a12~0)| 7)) (.cse5 (= 7 |old(~a12~0)|)) (.cse15 (= 8 |old(~a16~0)|))) (let ((.cse11 (not .cse15)) (.cse10 (or .cse8 .cse5 (< 8 |old(~a16~0)|))) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse6 (< 7 |old(~a12~0)|)) (.cse7 (< |old(~a15~0)| 4)) (.cse9 (= 4 |old(~a15~0)|)) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse14 (not .cse5)) (.cse16 (<= (+ |old(~a18~0)| 156) 0)) (.cse4 (and .cse17 (= 3 ~a15~0) .cse18 .cse19)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse12 (= 5 |old(~a12~0)|)) (.cse0 (and (= |old(~a15~0)| ~a15~0) .cse17 .cse18 .cse19))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 (not (= 11 |old(~a16~0)|))) .cse1 .cse4) (or (= 12 |old(~a16~0)|) .cse5 .cse0 .cse6 .cse7) (or .cse8 .cse9 .cse0 .cse2) (or .cse9 (< |old(~a16~0)| 12) .cse1 .cse0) (or .cse9 .cse0 .cse10) (or .cse11 .cse0 .cse6 .cse7) (or .cse5 .cse9 .cse12 .cse0 .cse6) (or .cse11 .cse13 .cse0) (or .cse0 .cse13 .cse2) (or .cse0 .cse10 .cse1) (or .cse0 .cse2 .cse6 .cse7) (or .cse9 .cse0 .cse13) (or .cse3 .cse0 .cse14 .cse15 .cse16) (or .cse3 .cse14 (< 0 (+ |old(~a18~0)| 87)) .cse16 .cse4) (or .cse3 (not .cse12) (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0) .cse0)))) [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,029 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,030 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,031 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,032 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,033 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,034 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,035 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,036 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,037 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,038 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 14:46:33,039 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,040 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 14:46:33,041 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (<= 7 ~a12~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (= 7 ~a12~0)) (.cse11 (= ~a15~0 3)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= 8 ~a16~0)) (.cse9 (<= 4 ~a15~0)) (.cse5 (= 3 ~a15~0)) (.cse8 (= 8 ~a12~0)) (.cse12 (= ~a12~0 5)) (.cse2 (not (= ~a15~0 4))) (.cse4 (not (= ~a12~0 7))) (.cse10 (<= ~a12~0 7)) (.cse3 (= ~a12~0 9))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (and (and (<= 12 ~a16~0) .cse2) .cse3) (not (= 3 |old(~a15~0)|)) (and .cse2 (and .cse1 .cse4 (<= ~a16~0 8))) (and .cse5 .cse6 (<= (+ ~a18~0 87) 0) .cse7) (and .cse0 .cse8) (and .cse9 .cse10 (and (not (= ~a16~0 12)) .cse4)) (and .cse0 .cse9 .cse10) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse11 .cse12) (and .cse13 .cse8) (and (and (not (= ~a16~0 8)) .cse6) .cse11 .cse7) (not (= 5 |old(~a12~0)|)) (and .cse13 (and .cse9 .cse10)) (and (and (= 11 ~a16~0) .cse5) .cse3) (and .cse8 .cse2) (and (not .cse12) .cse2 (and .cse4 .cse10)) (and (<= ~a16~0 9) .cse3))) [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 14:46:33,041 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (<= 7 ~a12~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (= 7 ~a12~0)) (.cse9 (= ~a15~0 3)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= 8 ~a16~0)) (.cse11 (<= 4 ~a15~0)) (.cse5 (= 3 ~a15~0)) (.cse8 (= 8 ~a12~0)) (.cse10 (= ~a12~0 5)) (.cse2 (not (= ~a15~0 4))) (.cse4 (not (= ~a12~0 7))) (.cse12 (<= ~a12~0 7)) (.cse3 (= ~a12~0 9))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (and (and (<= 12 ~a16~0) .cse2) .cse3) (not (= 3 |old(~a15~0)|)) (and .cse2 (and .cse1 .cse4 (<= ~a16~0 8))) (and .cse5 .cse6 (<= (+ ~a18~0 87) 0) .cse7) (and .cse0 .cse8) (and (not (= ~a16~0 0)) .cse9 .cse10) (and .cse11 .cse12 (and (not (= ~a16~0 12)) .cse4)) (and .cse0 .cse11 .cse12) (and .cse13 .cse8) (and (and (not (= ~a16~0 8)) .cse6) .cse9 .cse7) (not (= 5 |old(~a12~0)|)) (and .cse13 (and .cse11 .cse12)) (and (and (= 11 ~a16~0) .cse5) .cse3) (and .cse8 .cse2) (and (not .cse10) .cse2 (and .cse4 .cse12)) (and (<= ~a16~0 9) .cse3))) [2018-12-09 14:46:33,042 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 14:46:33,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:46:33 BoogieIcfgContainer [2018-12-09 14:46:33,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:46:33,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:46:33,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:46:33,052 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:46:33,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:42:14" (3/4) ... [2018-12-09 14:46:33,056 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:46:33,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:46:33,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 14:46:33,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 14:46:33,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:46:33,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 14:46:33,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 14:46:33,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(11 == \old(a16)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || !(3 == \old(a15))) || (!(a15 == 4) && (7 <= a12 && !(a12 == 7)) && a16 <= 8)) || (((3 == a15 && 7 == a12) && a18 + 87 <= 0) && 0 < a18 + 156)) || (9 == a16 && 8 == a12)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || ((4 <= a15 && a12 <= 7) && !(a16 == 12) && !(a12 == 7))) || ((9 == a16 && 4 <= a15) && a12 <= 7)) || (8 == a16 && 8 == a12)) || (((!(a16 == 8) && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || !(5 == \old(a12))) || (8 == a16 && 4 <= a15 && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (8 == a12 && !(a15 == 4))) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (a16 <= 9 && a12 == 9) [2018-12-09 14:46:33,232 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19f79f29-d0de-4c6a-805b-3a273219be59/bin-2019/utaipan/witness.graphml [2018-12-09 14:46:33,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:46:33,233 INFO L168 Benchmark]: Toolchain (without parser) took 261162.61 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 946.8 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,233 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:46:33,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -112.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,234 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,234 INFO L168 Benchmark]: RCFGBuilder took 1270.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 802.2 MB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,234 INFO L168 Benchmark]: TraceAbstraction took 259010.11 ms. Allocated memory was 1.1 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 802.2 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,234 INFO L168 Benchmark]: Witness Printer took 180.75 ms. Allocated memory is still 5.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. [2018-12-09 14:46:33,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -112.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1270.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 802.2 MB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 259010.11 ms. Allocated memory was 1.1 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 802.2 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 180.75 ms. Allocated memory is still 5.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((!(11 == \old(a16)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || !(3 == \old(a15))) || (!(a15 == 4) && (7 <= a12 && !(a12 == 7)) && a16 <= 8)) || (((3 == a15 && 7 == a12) && a18 + 87 <= 0) && 0 < a18 + 156)) || (9 == a16 && 8 == a12)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || ((4 <= a15 && a12 <= 7) && !(a16 == 12) && !(a12 == 7))) || ((9 == a16 && 4 <= a15) && a12 <= 7)) || (8 == a16 && 8 == a12)) || (((!(a16 == 8) && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || !(5 == \old(a12))) || (8 == a16 && 4 <= a15 && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (8 == a12 && !(a15 == 4))) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (a16 <= 9 && a12 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 258.9s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 218.0s AutomataDifference, 0.0s DeadEndRemovalTime, 11.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1993 SDtfs, 33720 SDslu, 2193 SDs, 0 SdLazy, 64993 SolverSat, 8513 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 196.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 22946 GetRequests, 22579 SyntacticMatches, 34 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2677 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18195occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.5s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9974535997049124 AbsIntWeakeningRatio, 0.0915032679738562 AbsIntAvgWeakeningVarsNumRemoved, 16.33769063180828 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 8496 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1695 PreInvPairs, 1939 NumberOfFragments, 1843 HoareAnnotationTreeSize, 1695 FomulaSimplifications, 159283 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 150673 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 22998 NumberOfCodeBlocks, 22998 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 33745 ConstructedInterpolants, 0 QuantifiedInterpolants, 95441437 SizeOfPredicates, 5 NumberOfNonLiveVariables, 14163 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 37 InterpolantComputations, 6 PerfectInterpolantSequences, 66266/70839 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...