./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/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 d2e5c405950a1e9288f54e6a20b4d800e6d36c44 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:22:06,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:22:06,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:22:06,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:22:06,972 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:22:06,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:22:06,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:22:06,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:22:06,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:22:06,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:22:06,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:22:06,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:22:06,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:22:06,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:22:06,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:22:06,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:22:06,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:22:06,983 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:22:06,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:22:06,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:22:06,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:22:06,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:22:06,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:22:06,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:22:06,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:22:06,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:22:06,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:22:06,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:22:06,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:22:06,992 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:22:06,993 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:22:06,993 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:22:06,993 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:22:06,993 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:22:06,994 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:22:06,994 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:22:06,995 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:22:07,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:22:07,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:22:07,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:22:07,004 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:22:07,004 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:22:07,005 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:22:07,005 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:22:07,005 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:22:07,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:22:07,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:22:07,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:22:07,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:22:07,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:22:07,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:22:07,008 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:22:07,009 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_8aa26167-cdb4-4fb9-b536-c16d964eb361/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 -> d2e5c405950a1e9288f54e6a20b4d800e6d36c44 [2018-11-23 14:22:07,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:22:07,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:22:07,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:22:07,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:22:07,043 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:22:07,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-23 14:22:07,082 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/data/0d5b9f907/74db4355ffd342c6b77f65b22d6847f9/FLAGbd7a7f609 [2018-11-23 14:22:07,462 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:22:07,462 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-23 14:22:07,471 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/data/0d5b9f907/74db4355ffd342c6b77f65b22d6847f9/FLAGbd7a7f609 [2018-11-23 14:22:07,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/data/0d5b9f907/74db4355ffd342c6b77f65b22d6847f9 [2018-11-23 14:22:07,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:22:07,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:22:07,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:07,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:22:07,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:22:07,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:07,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07, skipping insertion in model container [2018-11-23 14:22:07,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:07,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:22:07,544 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:22:07,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:07,802 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:22:07,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:07,904 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:22:07,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07 WrapperNode [2018-11-23 14:22:07,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:07,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:07,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:22:07,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:22:07,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:07,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:07,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:07,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:22:07,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:22:07,990 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:22:07,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:07,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... [2018-11-23 14:22:08,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:22:08,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:22:08,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:22:08,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:22:08,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:22:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:22:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:22:08,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:22:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:22:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:22:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:22:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:22:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:22:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:22:09,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:22:09,036 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:22:09,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:09 BoogieIcfgContainer [2018-11-23 14:22:09,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:22:09,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:22:09,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:22:09,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:22:09,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:22:07" (1/3) ... [2018-11-23 14:22:09,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bdc6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:09, skipping insertion in model container [2018-11-23 14:22:09,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:07" (2/3) ... [2018-11-23 14:22:09,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bdc6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:09, skipping insertion in model container [2018-11-23 14:22:09,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:09" (3/3) ... [2018-11-23 14:22:09,043 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label01_true-unreach-call_false-termination.c [2018-11-23 14:22:09,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:22:09,056 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:22:09,070 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:22:09,098 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:22:09,098 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:22:09,098 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:22:09,098 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:22:09,098 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:22:09,099 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:22:09,099 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:22:09,099 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:22:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 14:22:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 14:22:09,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:09,127 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] [2018-11-23 14:22:09,129 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:09,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:09,133 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2018-11-23 14:22:09,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:09,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:09,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:09,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:09,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:22:09,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:22:09,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:22:09,367 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:09,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:22:09,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:22:09,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:22:09,382 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 14:22:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:10,201 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 14:22:10,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:22:10,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 14:22:10,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:10,218 INFO L225 Difference]: With dead ends: 688 [2018-11-23 14:22:10,218 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 14:22:10,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:22:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 14:22:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 14:22:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 14:22:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 765 transitions. [2018-11-23 14:22:10,275 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 765 transitions. Word has length 60 [2018-11-23 14:22:10,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:10,277 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 765 transitions. [2018-11-23 14:22:10,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:22:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 765 transitions. [2018-11-23 14:22:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 14:22:10,283 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:10,283 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] [2018-11-23 14:22:10,283 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:10,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:10,284 INFO L82 PathProgramCache]: Analyzing trace with hash 264991034, now seen corresponding path program 1 times [2018-11-23 14:22:10,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:10,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:10,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:10,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:10,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:22:10,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:22:10,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:22:10,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:10,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:22:10,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:22:10,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:22:10,409 INFO L87 Difference]: Start difference. First operand 432 states and 765 transitions. Second operand 5 states. [2018-11-23 14:22:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:11,839 INFO L93 Difference]: Finished difference Result 1410 states and 2574 transitions. [2018-11-23 14:22:11,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:22:11,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-23 14:22:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:11,844 INFO L225 Difference]: With dead ends: 1410 [2018-11-23 14:22:11,844 INFO L226 Difference]: Without dead ends: 984 [2018-11-23 14:22:11,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:22:11,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2018-11-23 14:22:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 970. [2018-11-23 14:22:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2018-11-23 14:22:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1537 transitions. [2018-11-23 14:22:11,881 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1537 transitions. Word has length 136 [2018-11-23 14:22:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:11,881 INFO L480 AbstractCegarLoop]: Abstraction has 970 states and 1537 transitions. [2018-11-23 14:22:11,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:22:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1537 transitions. [2018-11-23 14:22:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 14:22:11,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:11,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:22:11,887 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:11,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:11,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1698067270, now seen corresponding path program 1 times [2018-11-23 14:22:11,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:11,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:11,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:11,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:11,889 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:22:12,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:22:12,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:22:12,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:12,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:22:12,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:22:12,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:22:12,061 INFO L87 Difference]: Start difference. First operand 970 states and 1537 transitions. Second operand 6 states. [2018-11-23 14:22:13,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:13,013 INFO L93 Difference]: Finished difference Result 2342 states and 3928 transitions. [2018-11-23 14:22:13,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:22:13,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2018-11-23 14:22:13,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:13,021 INFO L225 Difference]: With dead ends: 2342 [2018-11-23 14:22:13,021 INFO L226 Difference]: Without dead ends: 1378 [2018-11-23 14:22:13,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:22:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2018-11-23 14:22:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1347. [2018-11-23 14:22:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-23 14:22:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2121 transitions. [2018-11-23 14:22:13,062 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2121 transitions. Word has length 200 [2018-11-23 14:22:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:13,063 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 2121 transitions. [2018-11-23 14:22:13,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:22:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2121 transitions. [2018-11-23 14:22:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 14:22:13,066 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:13,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:22:13,066 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:13,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:13,067 INFO L82 PathProgramCache]: Analyzing trace with hash 328652488, now seen corresponding path program 1 times [2018-11-23 14:22:13,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:13,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:13,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:13,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:13,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:22:13,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:13,187 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:22:13,188 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-23 14:22:13,190 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:22:13,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:22:13,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:22:13,506 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:22:13,508 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 728 root evaluator evaluations with a maximum evaluation depth of 9. Performed 728 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 14:22:13,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:13,529 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:22:13,865 INFO L227 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 78.19% of their original sizes. [2018-11-23 14:22:13,866 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:22:13,893 INFO L415 sIntCurrentIteration]: We unified 218 AI predicates to 218 [2018-11-23 14:22:13,893 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:22:13,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:22:13,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 14:22:13,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:13,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:22:13,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:22:13,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:22:13,895 INFO L87 Difference]: Start difference. First operand 1347 states and 2121 transitions. Second operand 6 states. [2018-11-23 14:22:21,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:21,024 INFO L93 Difference]: Finished difference Result 2871 states and 4461 transitions. [2018-11-23 14:22:21,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:22:21,025 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-11-23 14:22:21,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:21,029 INFO L225 Difference]: With dead ends: 2871 [2018-11-23 14:22:21,029 INFO L226 Difference]: Without dead ends: 1530 [2018-11-23 14:22:21,032 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:22:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2018-11-23 14:22:21,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1529. [2018-11-23 14:22:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2018-11-23 14:22:21,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2310 transitions. [2018-11-23 14:22:21,059 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2310 transitions. Word has length 219 [2018-11-23 14:22:21,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:21,059 INFO L480 AbstractCegarLoop]: Abstraction has 1529 states and 2310 transitions. [2018-11-23 14:22:21,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:22:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2310 transitions. [2018-11-23 14:22:21,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-23 14:22:21,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:21,063 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:22:21,064 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:21,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:21,064 INFO L82 PathProgramCache]: Analyzing trace with hash -56962879, now seen corresponding path program 1 times [2018-11-23 14:22:21,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:21,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:21,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:21,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:21,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 244 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:22:21,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:21,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:22:21,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-11-23 14:22:21,421 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:22:21,424 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:22:21,424 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:22:21,527 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:22:21,527 INFO L272 AbstractInterpreter]: Visited 94 different actions 180 times. Merged at 3 different actions 3 times. Never widened. Performed 1498 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 14:22:21,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:21,531 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:22:21,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:21,531 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:22:21,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:21,547 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:22:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:21,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:22:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 14:22:21,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:22:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 14:22:21,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:22:21,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-23 14:22:21,834 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:22:21,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 14:22:21,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 14:22:21,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-11-23 14:22:21,835 INFO L87 Difference]: Start difference. First operand 1529 states and 2310 transitions. Second operand 15 states. [2018-11-23 14:22:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:26,589 INFO L93 Difference]: Finished difference Result 5586 states and 8770 transitions. [2018-11-23 14:22:26,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 14:22:26,589 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 303 [2018-11-23 14:22:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:26,604 INFO L225 Difference]: With dead ends: 5586 [2018-11-23 14:22:26,604 INFO L226 Difference]: Without dead ends: 3845 [2018-11-23 14:22:26,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 630 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 14:22:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3845 states. [2018-11-23 14:22:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3845 to 3354. [2018-11-23 14:22:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3354 states. [2018-11-23 14:22:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4268 transitions. [2018-11-23 14:22:26,698 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4268 transitions. Word has length 303 [2018-11-23 14:22:26,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:26,699 INFO L480 AbstractCegarLoop]: Abstraction has 3354 states and 4268 transitions. [2018-11-23 14:22:26,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 14:22:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4268 transitions. [2018-11-23 14:22:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-23 14:22:26,707 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:26,707 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 14:22:26,708 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:26,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:26,708 INFO L82 PathProgramCache]: Analyzing trace with hash 854689473, now seen corresponding path program 1 times [2018-11-23 14:22:26,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:26,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:26,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:26,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:26,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-23 14:22:26,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:26,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:22:26,904 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-23 14:22:26,904 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:22:26,907 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:22:26,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:22:30,825 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:22:30,825 INFO L272 AbstractInterpreter]: Visited 119 different actions 356 times. Merged at 7 different actions 19 times. Never widened. Performed 3395 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3395 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 14:22:30,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:30,829 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:22:31,594 INFO L227 lantSequenceWeakener]: Weakened 352 states. On average, predicates are now at 80.63% of their original sizes. [2018-11-23 14:22:31,594 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:22:31,639 INFO L415 sIntCurrentIteration]: We unified 354 AI predicates to 354 [2018-11-23 14:22:31,640 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:22:31,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:22:31,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-23 14:22:31,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:31,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:22:31,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:22:31,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:22:31,641 INFO L87 Difference]: Start difference. First operand 3354 states and 4268 transitions. Second operand 9 states. [2018-11-23 14:22:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:51,956 INFO L93 Difference]: Finished difference Result 8542 states and 10941 transitions. [2018-11-23 14:22:51,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 14:22:51,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 355 [2018-11-23 14:22:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:51,974 INFO L225 Difference]: With dead ends: 8542 [2018-11-23 14:22:51,974 INFO L226 Difference]: Without dead ends: 5376 [2018-11-23 14:22:51,986 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 363 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:22:51,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5376 states. [2018-11-23 14:22:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5376 to 4982. [2018-11-23 14:22:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4982 states. [2018-11-23 14:22:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4982 states and 6046 transitions. [2018-11-23 14:22:52,091 INFO L78 Accepts]: Start accepts. Automaton has 4982 states and 6046 transitions. Word has length 355 [2018-11-23 14:22:52,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:52,092 INFO L480 AbstractCegarLoop]: Abstraction has 4982 states and 6046 transitions. [2018-11-23 14:22:52,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:22:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4982 states and 6046 transitions. [2018-11-23 14:22:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-11-23 14:22:52,103 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:52,103 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:22:52,103 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:52,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:52,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1846062102, now seen corresponding path program 1 times [2018-11-23 14:22:52,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:52,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:52,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:52,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:52,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-23 14:22:52,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:22:52,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:22:52,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:52,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:22:52,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:22:52,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:22:52,315 INFO L87 Difference]: Start difference. First operand 4982 states and 6046 transitions. Second operand 4 states. [2018-11-23 14:22:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:52,995 INFO L93 Difference]: Finished difference Result 11551 states and 14341 transitions. [2018-11-23 14:22:52,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:22:52,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 458 [2018-11-23 14:22:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:53,011 INFO L225 Difference]: With dead ends: 11551 [2018-11-23 14:22:53,011 INFO L226 Difference]: Without dead ends: 6757 [2018-11-23 14:22:53,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:22:53,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6757 states. [2018-11-23 14:22:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6757 to 6750. [2018-11-23 14:22:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6750 states. [2018-11-23 14:22:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6750 states to 6750 states and 8026 transitions. [2018-11-23 14:22:53,106 INFO L78 Accepts]: Start accepts. Automaton has 6750 states and 8026 transitions. Word has length 458 [2018-11-23 14:22:53,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:53,107 INFO L480 AbstractCegarLoop]: Abstraction has 6750 states and 8026 transitions. [2018-11-23 14:22:53,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:22:53,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6750 states and 8026 transitions. [2018-11-23 14:22:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2018-11-23 14:22:53,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:22:53,120 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:22:53,120 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:22:53,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:53,121 INFO L82 PathProgramCache]: Analyzing trace with hash 143520042, now seen corresponding path program 1 times [2018-11-23 14:22:53,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:22:53,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:53,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:53,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:22:53,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:22:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 441 proven. 299 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-23 14:22:53,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:53,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:22:53,833 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 558 with the following transitions: [2018-11-23 14:22:53,834 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:22:53,838 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:22:53,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:22:58,158 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:22:58,158 INFO L272 AbstractInterpreter]: Visited 190 different actions 750 times. Merged at 8 different actions 23 times. Never widened. Performed 8210 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8210 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 14:22:58,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:58,160 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:22:58,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:22:58,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:22:58,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:22:58,167 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:22:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:22:58,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:22:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-23 14:22:58,382 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:22:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-23 14:22:58,554 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:22:58,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-11-23 14:22:58,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:22:58,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:22:58,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:22:58,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:22:58,556 INFO L87 Difference]: Start difference. First operand 6750 states and 8026 transitions. Second operand 3 states. [2018-11-23 14:22:59,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:22:59,014 INFO L93 Difference]: Finished difference Result 15009 states and 18216 transitions. [2018-11-23 14:22:59,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:22:59,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 557 [2018-11-23 14:22:59,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:22:59,015 INFO L225 Difference]: With dead ends: 15009 [2018-11-23 14:22:59,016 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:22:59,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1126 GetRequests, 1112 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:22:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:22:59,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:22:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:22:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:22:59,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 557 [2018-11-23 14:22:59,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:22:59,042 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:22:59,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:22:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:22:59,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:22:59,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:22:59,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:22:59,514 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 24 [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,599 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 14:22:59,600 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-11-23 14:22:59,601 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 14:22:59,602 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 14:22:59,603 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,604 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)))) (and (or .cse0 (<= |old(~a12~0)| 11)) (or (= 5 |old(~a15~0)|) .cse0) (or .cse0 (= 8 |old(~a21~0)|)))) [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 14:22:59,605 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 14:22:59,606 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,607 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 14:22:59,608 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 14:22:59,609 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 14:22:59,610 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 14:22:59,611 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 14:22:59,612 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 14:22:59,613 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:22:59,614 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-23 14:22:59,614 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:22:59,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:22:59,615 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 14:22:59,615 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 14:22:59,615 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 5 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 14:22:59,615 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 14:22:59,615 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 14:22:59,615 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 5 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 14:22:59,615 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 14:22:59,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:22:59 BoogieIcfgContainer [2018-11-23 14:22:59,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:22:59,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:22:59,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:22:59,624 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:22:59,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:09" (3/4) ... [2018-11-23 14:22:59,627 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:22:59,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:22:59,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:22:59,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:22:59,643 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:22:59,644 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:22:59,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(5 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-11-23 14:22:59,759 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8aa26167-cdb4-4fb9-b536-c16d964eb361/bin-2019/utaipan/witness.graphml [2018-11-23 14:22:59,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:22:59,760 INFO L168 Benchmark]: Toolchain (without parser) took 52273.73 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 950.1 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,761 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:22:59,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.04 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 912.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 912.5 MB in the beginning and 1.1 GB in the end (delta: -233.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,762 INFO L168 Benchmark]: Boogie Preprocessor took 61.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,763 INFO L168 Benchmark]: RCFGBuilder took 986.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 125.0 MB). Peak memory consumption was 125.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,763 INFO L168 Benchmark]: TraceAbstraction took 50585.87 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 14:22:59,763 INFO L168 Benchmark]: Witness Printer took 135.73 ms. Allocated memory is still 5.0 GB. Free memory was 3.4 GB in the beginning and 3.4 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 14:22:59,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.04 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 912.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 912.5 MB in the beginning and 1.1 GB in the end (delta: -233.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 986.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 125.0 MB). Peak memory consumption was 125.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 50585.87 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 135.73 ms. Allocated memory is still 5.0 GB. Free memory was 3.4 GB in the beginning and 3.4 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 880]: Loop Invariant Derived loop invariant: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(5 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 50.5s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 36.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1321 SDtfs, 7376 SDslu, 1392 SDs, 0 SdLazy, 13473 SolverSat, 2498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2413 GetRequests, 2313 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6750occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.7s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9971590411183716 AbsIntWeakeningRatio, 0.10139860139860139 AbsIntAvgWeakeningVarsNumRemoved, 16.057692307692307 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 938 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 166 NumberOfFragments, 176 HoareAnnotationTreeSize, 100 FomulaSimplifications, 6289 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1914 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3148 NumberOfCodeBlocks, 3148 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3996 ConstructedInterpolants, 0 QuantifiedInterpolants, 7015340 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1340 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 4435/4888 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...