./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/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 16796b54e5e5e595ebddd1a211fd081adf88fc5e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:39:29,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:39:29,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:39:29,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:39:29,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:39:29,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:39:29,538 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:39:29,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:39:29,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:39:29,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:39:29,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:39:29,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:39:29,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:39:29,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:39:29,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:39:29,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:39:29,544 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:39:29,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:39:29,547 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:39:29,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:39:29,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:39:29,549 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:39:29,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:39:29,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:39:29,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:39:29,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:39:29,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:39:29,552 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:39:29,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:39:29,553 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:39:29,554 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:39:29,554 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:39:29,554 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:39:29,554 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:39:29,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:39:29,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:39:29,556 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:39:29,566 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:39:29,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:39:29,567 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:39:29,567 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:39:29,567 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:39:29,567 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:39:29,567 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:39:29,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:39:29,567 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:39:29,568 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:39:29,568 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:39:29,568 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:39:29,568 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:39:29,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:39:29,569 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:39:29,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:39:29,570 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:39:29,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:39:29,571 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:39:29,572 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_c24c50b7-c006-482b-8f80-e8ad1ff67077/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 -> 16796b54e5e5e595ebddd1a211fd081adf88fc5e [2018-11-18 11:39:29,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:39:29,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:39:29,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:39:29,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:39:29,608 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:39:29,609 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-18 11:39:29,649 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/data/dbb2c30bb/f7ed4b14b8c74947a03debda109dfc9a/FLAGa4970f47f [2018-11-18 11:39:30,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:39:30,125 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-18 11:39:30,135 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/data/dbb2c30bb/f7ed4b14b8c74947a03debda109dfc9a/FLAGa4970f47f [2018-11-18 11:39:30,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/data/dbb2c30bb/f7ed4b14b8c74947a03debda109dfc9a [2018-11-18 11:39:30,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:39:30,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:39:30,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:30,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:39:30,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:39:30,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8223b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:30, skipping insertion in model container [2018-11-18 11:39:30,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:30" (1/1) ... [2018-11-18 11:39:30,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:39:30,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:39:30,917 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:30,920 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:39:31,002 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:31,013 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:39:31,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31 WrapperNode [2018-11-18 11:39:31,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:31,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:31,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:39:31,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:39:31,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:31,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:39:31,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:39:31,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:39:31,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:39:31,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:39:31,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:39:31,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:39:31,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/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 [2018-11-18 11:39:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:39:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:39:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:39:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:39:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:39:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:39:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:39:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:39:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:39:31,979 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:39:31,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:31 BoogieIcfgContainer [2018-11-18 11:39:31,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:39:31,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:39:31,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:39:31,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:39:31,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:39:30" (1/3) ... [2018-11-18 11:39:31,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df600ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:39:31, skipping insertion in model container [2018-11-18 11:39:31,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (2/3) ... [2018-11-18 11:39:31,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df600ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:39:31, skipping insertion in model container [2018-11-18 11:39:31,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:31" (3/3) ... [2018-11-18 11:39:31,985 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label36_true-unreach-call_false-termination.c [2018-11-18 11:39:31,990 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:39:31,996 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:39:32,006 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:39:32,027 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:39:32,028 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:39:32,028 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:39:32,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:39:32,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:39:32,028 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:39:32,028 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:39:32,028 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:39:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 11:39:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:39:32,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:39:32,051 INFO L375 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] [2018-11-18 11:39:32,052 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:39:32,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash -601836047, now seen corresponding path program 1 times [2018-11-18 11:39:32,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:39:32,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:32,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:39:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:32,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:39:32,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:39:32,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:39:32,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:39:32,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:39:32,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:39:32,288 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-18 11:39:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:32,969 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-18 11:39:32,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:39:32,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-11-18 11:39:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:39:32,980 INFO L225 Difference]: With dead ends: 691 [2018-11-18 11:39:32,980 INFO L226 Difference]: Without dead ends: 434 [2018-11-18 11:39:32,984 INFO L604 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 [2018-11-18 11:39:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-18 11:39:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-18 11:39:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 11:39:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-11-18 11:39:33,028 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 55 [2018-11-18 11:39:33,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:39:33,029 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-11-18 11:39:33,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:39:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-11-18 11:39:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 11:39:33,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:39:33,034 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:33,035 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:39:33,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1606390417, now seen corresponding path program 1 times [2018-11-18 11:39:33,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:39:33,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:39:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:33,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:39:33,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:39:33,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:39:33,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:39:33,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:39:33,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:39:33,186 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-11-18 11:39:33,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:33,824 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-11-18 11:39:33,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:39:33,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-18 11:39:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:39:33,828 INFO L225 Difference]: With dead ends: 1062 [2018-11-18 11:39:33,828 INFO L226 Difference]: Without dead ends: 634 [2018-11-18 11:39:33,830 INFO L604 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 [2018-11-18 11:39:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-18 11:39:33,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-11-18 11:39:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-18 11:39:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-11-18 11:39:33,851 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 130 [2018-11-18 11:39:33,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:39:33,851 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-11-18 11:39:33,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:39:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-11-18 11:39:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 11:39:33,854 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:39:33,854 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:33,854 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:39:33,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,854 INFO L82 PathProgramCache]: Analyzing trace with hash 946019240, now seen corresponding path program 1 times [2018-11-18 11:39:33,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:39:33,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:39:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:33,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:39:33,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:39:33,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:39:33,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:39:33,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:39:33,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:39:33,941 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-11-18 11:39:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:34,882 INFO L93 Difference]: Finished difference Result 2350 states and 4005 transitions. [2018-11-18 11:39:34,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:39:34,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-18 11:39:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:39:34,889 INFO L225 Difference]: With dead ends: 2350 [2018-11-18 11:39:34,889 INFO L226 Difference]: Without dead ends: 1731 [2018-11-18 11:39:34,892 INFO L604 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 [2018-11-18 11:39:34,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-18 11:39:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-11-18 11:39:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-18 11:39:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2670 transitions. [2018-11-18 11:39:34,924 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2670 transitions. Word has length 139 [2018-11-18 11:39:34,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:39:34,925 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2670 transitions. [2018-11-18 11:39:34,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:39:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2670 transitions. [2018-11-18 11:39:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:39:34,930 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:39:34,930 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:39:34,930 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:39:34,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:34,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1544356755, now seen corresponding path program 1 times [2018-11-18 11:39:34,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:39:34,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:34,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:34,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:34,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:39:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:39:35,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:39:35,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:39:35,436 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-18 11:39:35,437 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], [341], [343], [346], [354], [362], [370], [378], [386], [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], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:39:35,469 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:39:35,469 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:39:38,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:39:38,094 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Performed 1042 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1042 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:39:38,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:38,109 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:39:40,027 INFO L227 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-18 11:39:40,028 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:39:40,058 INFO L415 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-11-18 11:39:40,059 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:39:40,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:39:40,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-18 11:39:40,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:39:40,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:39:40,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:39:40,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:39:40,060 INFO L87 Difference]: Start difference. First operand 1731 states and 2670 transitions. Second operand 6 states. [2018-11-18 11:39:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:45,143 INFO L93 Difference]: Finished difference Result 3641 states and 5626 transitions. [2018-11-18 11:39:45,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:39:45,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2018-11-18 11:39:45,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:39:45,152 INFO L225 Difference]: With dead ends: 3641 [2018-11-18 11:39:45,152 INFO L226 Difference]: Without dead ends: 1916 [2018-11-18 11:39:45,158 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:39:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-11-18 11:39:45,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1914. [2018-11-18 11:39:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2018-11-18 11:39:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2861 transitions. [2018-11-18 11:39:45,199 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2861 transitions. Word has length 263 [2018-11-18 11:39:45,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:39:45,199 INFO L480 AbstractCegarLoop]: Abstraction has 1914 states and 2861 transitions. [2018-11-18 11:39:45,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:39:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2861 transitions. [2018-11-18 11:39:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-18 11:39:45,207 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:39:45,208 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:45,208 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:39:45,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:45,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1780119455, now seen corresponding path program 1 times [2018-11-18 11:39:45,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:39:45,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:45,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:45,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:45,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:39:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 232 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:39:45,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:39:45,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:39:45,905 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-11-18 11:39:45,906 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], [341], [343], [346], [354], [362], [370], [378], [386], [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], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:39:45,908 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:39:45,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:39:49,222 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:39:49,223 INFO L272 AbstractInterpreter]: Visited 122 different actions 237 times. Merged at 4 different actions 4 times. Never widened. Performed 2145 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2145 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:39:49,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:49,224 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:39:50,736 INFO L227 lantSequenceWeakener]: Weakened 345 states. On average, predicates are now at 77.86% of their original sizes. [2018-11-18 11:39:50,736 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:39:50,793 INFO L415 sIntCurrentIteration]: We unified 347 AI predicates to 347 [2018-11-18 11:39:50,793 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:39:50,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:39:50,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-18 11:39:50,793 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:39:50,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:39:50,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:39:50,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:39:50,794 INFO L87 Difference]: Start difference. First operand 1914 states and 2861 transitions. Second operand 10 states. [2018-11-18 11:40:28,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:28,071 INFO L93 Difference]: Finished difference Result 4196 states and 6341 transitions. [2018-11-18 11:40:28,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:40:28,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 348 [2018-11-18 11:40:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:28,077 INFO L225 Difference]: With dead ends: 4196 [2018-11-18 11:40:28,077 INFO L226 Difference]: Without dead ends: 2471 [2018-11-18 11:40:28,081 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 356 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:40:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2018-11-18 11:40:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2468. [2018-11-18 11:40:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2468 states. [2018-11-18 11:40:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3449 transitions. [2018-11-18 11:40:28,116 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3449 transitions. Word has length 348 [2018-11-18 11:40:28,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:28,116 INFO L480 AbstractCegarLoop]: Abstraction has 2468 states and 3449 transitions. [2018-11-18 11:40:28,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:40:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3449 transitions. [2018-11-18 11:40:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-11-18 11:40:28,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:28,123 INFO L375 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, 4, 4, 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, 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] [2018-11-18 11:40:28,124 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:28,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1019642442, now seen corresponding path program 1 times [2018-11-18 11:40:28,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:28,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:28,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:28,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:28,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 390 proven. 232 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 11:40:28,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:28,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:40:28,565 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 449 with the following transitions: [2018-11-18 11:40:28,565 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], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:40:28,568 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:40:28,568 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:40:31,253 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:40:31,253 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Performed 2154 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2154 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:40:31,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:31,257 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:40:32,771 INFO L227 lantSequenceWeakener]: Weakened 445 states. On average, predicates are now at 77.76% of their original sizes. [2018-11-18 11:40:32,771 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:40:32,822 INFO L415 sIntCurrentIteration]: We unified 447 AI predicates to 447 [2018-11-18 11:40:32,823 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:40:32,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:40:32,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 11:40:32,823 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:32,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:40:32,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:40:32,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:40:32,824 INFO L87 Difference]: Start difference. First operand 2468 states and 3449 transitions. Second operand 10 states. [2018-11-18 11:40:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:43,521 INFO L93 Difference]: Finished difference Result 4935 states and 6908 transitions. [2018-11-18 11:40:43,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:40:43,521 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 448 [2018-11-18 11:40:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:43,529 INFO L225 Difference]: With dead ends: 4935 [2018-11-18 11:40:43,529 INFO L226 Difference]: Without dead ends: 2656 [2018-11-18 11:40:43,535 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 455 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 11:40:43,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2018-11-18 11:40:43,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2653. [2018-11-18 11:40:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2653 states. [2018-11-18 11:40:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3641 transitions. [2018-11-18 11:40:43,585 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3641 transitions. Word has length 448 [2018-11-18 11:40:43,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:43,585 INFO L480 AbstractCegarLoop]: Abstraction has 2653 states and 3641 transitions. [2018-11-18 11:40:43,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:40:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3641 transitions. [2018-11-18 11:40:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-11-18 11:40:43,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:43,599 INFO L375 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:43,599 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:43,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:43,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2044324798, now seen corresponding path program 1 times [2018-11-18 11:40:43,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:43,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:43,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:43,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:43,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2018-11-18 11:40:43,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:43,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:40:43,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:43,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:40:43,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:40:43,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:40:43,921 INFO L87 Difference]: Start difference. First operand 2653 states and 3641 transitions. Second operand 3 states. [2018-11-18 11:40:44,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:44,371 INFO L93 Difference]: Finished difference Result 5665 states and 8404 transitions. [2018-11-18 11:40:44,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:40:44,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 484 [2018-11-18 11:40:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:44,373 INFO L225 Difference]: With dead ends: 5665 [2018-11-18 11:40:44,373 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:40:44,384 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:40:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:40:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:40:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:40:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:40:44,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 484 [2018-11-18 11:40:44,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:44,385 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:40:44,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:40:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:40:44,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:40:44,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:40:44,672 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2018-11-18 11:40:44,707 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:44,707 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a15~0)| ~a15~0) [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 11:40:44,708 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,709 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:40:44,710 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 11:40:44,711 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 11:40:44,712 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,713 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= 6 |old(~a15~0)|)) (.cse7 (= 8 |old(~a21~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse1 (not (= 1 |old(~a24~0)|))) (.cse3 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse5 (= (+ ~a12~0 49) 0)) (.cse6 (= ~a24~0 1)) (.cse0 (not (= 10 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 |old(~a15~0)|) (= 9 |old(~a15~0)|) (and .cse5 .cse6)) (or .cse7 (not (= 8 ~a21~0))) (or .cse8 .cse2) (or (< 80 |old(~a12~0)|) (and (<= ~a12~0 80) .cse8)) (or .cse7 .cse8) (or (and .cse5 .cse6 (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) .cse1 (not (= 8 |old(~a15~0)|)) .cse3 .cse4) (or (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))) .cse1 .cse3 .cse4 (and .cse5 .cse6 (= ~a21~0 6))) (or .cse0 (= 10 ~a21~0)))) [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,714 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:40:44,715 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,716 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 11:40:44,717 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:40:44,718 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,719 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:40:44,720 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 11:40:44,721 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:40:44,722 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:40:44,723 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L421 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)) [2018-11-18 11:40:44,724 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 11:40:44,724 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-11-18 11:40:44,724 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:40:44,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:40:44 BoogieIcfgContainer [2018-11-18 11:40:44,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:40:44,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:40:44,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:40:44,733 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:40:44,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:31" (3/4) ... [2018-11-18 11:40:44,736 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:40:44,742 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:40:44,742 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:40:44,742 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:40:44,754 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:40:44,754 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:40:44,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((a12 <= 80 || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || !(8 == a21)) || !(a15 == 6) [2018-11-18 11:40:44,848 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c24c50b7-c006-482b-8f80-e8ad1ff67077/bin-2019/utaipan/witness.graphml [2018-11-18 11:40:44,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:40:44,849 INFO L168 Benchmark]: Toolchain (without parser) took 74218.26 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 957.1 MB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 581.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:44,849 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:44,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 914.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:44,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:44,851 INFO L168 Benchmark]: Boogie Preprocessor took 55.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:44,851 INFO L168 Benchmark]: RCFGBuilder took 833.90 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: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:44,851 INFO L168 Benchmark]: TraceAbstraction took 72752.01 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 488.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:44,851 INFO L168 Benchmark]: Witness Printer took 115.32 ms. Allocated memory is still 4.9 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:44,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 914.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 833.90 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: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72752.01 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 488.8 MB. Max. memory is 11.5 GB. * Witness Printer took 115.32 ms. Allocated memory is still 4.9 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: (((((a12 <= 80 || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || !(8 == a21)) || !(a15 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 72.7s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 55.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1159 SDtfs, 4330 SDslu, 978 SDs, 0 SdLazy, 5825 SolverSat, 1540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1099 GetRequests, 1047 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2653occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.6s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9973138089677125 AbsIntWeakeningRatio, 0.09090909090909091 AbsIntAvgWeakeningVarsNumRemoved, 16.40625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 72 PreInvPairs, 113 NumberOfFragments, 261 HoareAnnotationTreeSize, 72 FomulaSimplifications, 1478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 750 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1867 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 4296023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1813/2219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...