./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/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 3812c831b8b49ff0b200ce5b38627f93268691f2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:22:23,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:22:23,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:22:23,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:22:23,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:22:23,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:22:23,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:22:23,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:22:23,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:22:23,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:22:23,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:22:23,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:22:23,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:22:23,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:22:23,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:22:23,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:22:23,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:22:23,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:22:23,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:22:23,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:22:23,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:22:23,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:22:23,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:22:23,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:22:23,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:22:23,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:22:23,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:22:23,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:22:23,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:22:23,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:22:23,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:22:23,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:22:23,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:22:23,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:22:23,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:22:23,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:22:23,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:22:23,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:22:23,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:22:23,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:22:23,561 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:22:23,561 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:22:23,562 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:22:23,562 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:22:23,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:22:23,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:22:23,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:22:23,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:22:23,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:22:23,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:22:23,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:22:23,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:22:23,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:22:23,565 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:22:23,565 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_b7baa9ac-61b6-4756-85ff-da774ec5dd19/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 -> 3812c831b8b49ff0b200ce5b38627f93268691f2 [2018-11-23 13:22:23,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:22:23,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:22:23,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:22:23,603 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:22:23,603 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:22:23,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-23 13:22:23,648 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/data/40d317ff9/eb6137431aa6477d9125ccff67ff8c65/FLAGaaa22bf92 [2018-11-23 13:22:24,103 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:22:24,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-23 13:22:24,113 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/data/40d317ff9/eb6137431aa6477d9125ccff67ff8c65/FLAGaaa22bf92 [2018-11-23 13:22:24,623 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/data/40d317ff9/eb6137431aa6477d9125ccff67ff8c65 [2018-11-23 13:22:24,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:22:24,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:22:24,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:22:24,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:22:24,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:22:24,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:24" (1/1) ... [2018-11-23 13:22:24,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:24, skipping insertion in model container [2018-11-23 13:22:24,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:24" (1/1) ... [2018-11-23 13:22:24,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:22:24,674 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:22:24,932 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:22:24,935 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:22:25,020 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:22:25,032 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:22:25,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25 WrapperNode [2018-11-23 13:22:25,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:22:25,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:22:25,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:22:25,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:22:25,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:22:25,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:22:25,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:22:25,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:22:25,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... [2018-11-23 13:22:25,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:22:25,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:22:25,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:22:25,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:22:25,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:22:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:22:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:22:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:22:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 13:22:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 13:22:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:22:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:22:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:22:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:22:26,120 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:22:26,120 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:22:26,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:26 BoogieIcfgContainer [2018-11-23 13:22:26,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:22:26,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:22:26,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:22:26,123 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:22:26,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:22:24" (1/3) ... [2018-11-23 13:22:26,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:22:26, skipping insertion in model container [2018-11-23 13:22:26,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:25" (2/3) ... [2018-11-23 13:22:26,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:22:26, skipping insertion in model container [2018-11-23 13:22:26,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:26" (3/3) ... [2018-11-23 13:22:26,125 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label42_true-unreach-call_false-termination.c [2018-11-23 13:22:26,132 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:22:26,137 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:22:26,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:22:26,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:22:26,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:22:26,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:22:26,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:22:26,169 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:22:26,169 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:22:26,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:22:26,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:22:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 13:22:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 13:22:26,192 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:26,193 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:22:26,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:26,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:26,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1174892051, now seen corresponding path program 1 times [2018-11-23 13:22:26,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:26,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:26,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:26,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:26,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:22:26,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:22:26,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:22:26,425 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:22:26,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:22:26,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:22:26,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:22:26,446 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 13:22:27,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:22:27,172 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 13:22:27,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:22:27,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 13:22:27,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:22:27,185 INFO L225 Difference]: With dead ends: 688 [2018-11-23 13:22:27,185 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 13:22:27,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:22:27,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 13:22:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 13:22:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 13:22:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 763 transitions. [2018-11-23 13:22:27,237 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 763 transitions. Word has length 48 [2018-11-23 13:22:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:22:27,238 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 763 transitions. [2018-11-23 13:22:27,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:22:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 763 transitions. [2018-11-23 13:22:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 13:22:27,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:27,243 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:22:27,243 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:27,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:27,243 INFO L82 PathProgramCache]: Analyzing trace with hash -56716970, now seen corresponding path program 1 times [2018-11-23 13:22:27,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:27,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:27,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:27,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:27,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:22:27,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:22:27,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:22:27,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:22:27,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:22:27,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:22:27,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:22:27,376 INFO L87 Difference]: Start difference. First operand 432 states and 763 transitions. Second operand 6 states. [2018-11-23 13:22:28,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:22:28,060 INFO L93 Difference]: Finished difference Result 1056 states and 1891 transitions. [2018-11-23 13:22:28,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:22:28,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-23 13:22:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:22:28,063 INFO L225 Difference]: With dead ends: 1056 [2018-11-23 13:22:28,063 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 13:22:28,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:22:28,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 13:22:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 622. [2018-11-23 13:22:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2018-11-23 13:22:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1016 transitions. [2018-11-23 13:22:28,084 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1016 transitions. Word has length 134 [2018-11-23 13:22:28,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:22:28,085 INFO L480 AbstractCegarLoop]: Abstraction has 622 states and 1016 transitions. [2018-11-23 13:22:28,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:22:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1016 transitions. [2018-11-23 13:22:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 13:22:28,088 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:28,088 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:22:28,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:28,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:28,089 INFO L82 PathProgramCache]: Analyzing trace with hash -867586423, now seen corresponding path program 1 times [2018-11-23 13:22:28,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:28,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:28,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:28,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:28,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:22:28,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:22:28,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:22:28,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:22:28,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:22:28,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:22:28,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:22:28,182 INFO L87 Difference]: Start difference. First operand 622 states and 1016 transitions. Second operand 4 states. [2018-11-23 13:22:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:22:29,040 INFO L93 Difference]: Finished difference Result 2340 states and 4004 transitions. [2018-11-23 13:22:29,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:22:29,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2018-11-23 13:22:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:22:29,048 INFO L225 Difference]: With dead ends: 2340 [2018-11-23 13:22:29,048 INFO L226 Difference]: Without dead ends: 1724 [2018-11-23 13:22:29,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:22:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2018-11-23 13:22:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1724. [2018-11-23 13:22:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2018-11-23 13:22:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2638 transitions. [2018-11-23 13:22:29,110 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2638 transitions. Word has length 143 [2018-11-23 13:22:29,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:22:29,111 INFO L480 AbstractCegarLoop]: Abstraction has 1724 states and 2638 transitions. [2018-11-23 13:22:29,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:22:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2638 transitions. [2018-11-23 13:22:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-23 13:22:29,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:29,119 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:22:29,119 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:29,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:29,119 INFO L82 PathProgramCache]: Analyzing trace with hash -81866982, now seen corresponding path program 1 times [2018-11-23 13:22:29,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:29,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:29,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 82 proven. 107 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:22:29,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:22:29,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:22:29,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-23 13:22:29,419 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:22:29,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:22:29,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:22:31,745 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:22:31,746 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1046 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 13:22:31,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:31,760 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:22:33,829 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 77.8% of their original sizes. [2018-11-23 13:22:33,829 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:22:33,867 INFO L415 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-11-23 13:22:33,867 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:22:33,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:22:33,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-11-23 13:22:33,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:22:33,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:22:33,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:22:33,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:22:33,869 INFO L87 Difference]: Start difference. First operand 1724 states and 2638 transitions. Second operand 6 states. [2018-11-23 13:22:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:22:38,817 INFO L93 Difference]: Finished difference Result 3625 states and 5548 transitions. [2018-11-23 13:22:38,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:22:38,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2018-11-23 13:22:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:22:38,826 INFO L225 Difference]: With dead ends: 3625 [2018-11-23 13:22:38,826 INFO L226 Difference]: Without dead ends: 1907 [2018-11-23 13:22:38,832 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:22:38,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2018-11-23 13:22:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1906. [2018-11-23 13:22:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1906 states. [2018-11-23 13:22:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2828 transitions. [2018-11-23 13:22:38,873 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2828 transitions. Word has length 271 [2018-11-23 13:22:38,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:22:38,873 INFO L480 AbstractCegarLoop]: Abstraction has 1906 states and 2828 transitions. [2018-11-23 13:22:38,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:22:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2828 transitions. [2018-11-23 13:22:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-23 13:22:38,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:38,882 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:22:38,882 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:38,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1471725011, now seen corresponding path program 1 times [2018-11-23 13:22:38,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:38,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:38,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:38,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:38,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 209 proven. 189 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:22:39,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:22:39,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:22:39,344 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-23 13:22:39,345 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:22:39,347 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:22:39,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:22:42,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:22:42,411 INFO L272 AbstractInterpreter]: Visited 122 different actions 236 times. Merged at 3 different actions 3 times. Never widened. Performed 2156 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 13:22:42,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:42,415 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:22:42,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:22:42,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:22:42,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:42,422 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:22:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:42,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:22:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 307 proven. 53 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 13:22:42,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:22:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 131 proven. 267 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:22:43,157 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:22:43,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2018-11-23 13:22:43,157 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:22:43,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 13:22:43,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 13:22:43,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-11-23 13:22:43,159 INFO L87 Difference]: Start difference. First operand 1906 states and 2828 transitions. Second operand 15 states. [2018-11-23 13:22:45,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:22:45,500 INFO L93 Difference]: Finished difference Result 5102 states and 7670 transitions. [2018-11-23 13:22:45,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 13:22:45,501 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 355 [2018-11-23 13:22:45,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:22:45,514 INFO L225 Difference]: With dead ends: 5102 [2018-11-23 13:22:45,514 INFO L226 Difference]: Without dead ends: 3187 [2018-11-23 13:22:45,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 718 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 13:22:45,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2018-11-23 13:22:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 2947. [2018-11-23 13:22:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2018-11-23 13:22:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3830 transitions. [2018-11-23 13:22:45,594 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3830 transitions. Word has length 355 [2018-11-23 13:22:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:22:45,594 INFO L480 AbstractCegarLoop]: Abstraction has 2947 states and 3830 transitions. [2018-11-23 13:22:45,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 13:22:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3830 transitions. [2018-11-23 13:22:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-11-23 13:22:45,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:22:45,605 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:22:45,605 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:22:45,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:45,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1355390759, now seen corresponding path program 1 times [2018-11-23 13:22:45,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:22:45,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:45,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:22:45,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:22:45,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:22:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:22:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 134 proven. 316 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:22:46,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:22:46,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:22:46,256 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 382 with the following transitions: [2018-11-23 13:22:46,256 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:22:46,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:22:46,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:22:49,033 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:22:49,033 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 2140 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2140 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 13:22:49,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:22:49,042 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:22:50,570 INFO L227 lantSequenceWeakener]: Weakened 378 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-23 13:22:50,570 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:22:50,624 INFO L415 sIntCurrentIteration]: We unified 380 AI predicates to 380 [2018-11-23 13:22:50,625 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:22:50,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:22:50,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-11-23 13:22:50,625 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:22:50,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:22:50,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:22:50,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:22:50,626 INFO L87 Difference]: Start difference. First operand 2947 states and 3830 transitions. Second operand 10 states. [2018-11-23 13:23:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:23:13,159 INFO L93 Difference]: Finished difference Result 5892 states and 7683 transitions. [2018-11-23 13:23:13,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 13:23:13,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 381 [2018-11-23 13:23:13,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:23:13,169 INFO L225 Difference]: With dead ends: 5892 [2018-11-23 13:23:13,169 INFO L226 Difference]: Without dead ends: 3133 [2018-11-23 13:23:13,176 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 388 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 13:23:13,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2018-11-23 13:23:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3129. [2018-11-23 13:23:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3129 states. [2018-11-23 13:23:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4014 transitions. [2018-11-23 13:23:13,235 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4014 transitions. Word has length 381 [2018-11-23 13:23:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:23:13,236 INFO L480 AbstractCegarLoop]: Abstraction has 3129 states and 4014 transitions. [2018-11-23 13:23:13,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:23:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4014 transitions. [2018-11-23 13:23:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-11-23 13:23:13,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:23:13,250 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:23:13,250 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:23:13,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:13,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1583114957, now seen corresponding path program 1 times [2018-11-23 13:23:13,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:23:13,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:13,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:13,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:13,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:23:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 392 proven. 111 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-11-23 13:23:13,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:13,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:23:13,602 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 491 with the following transitions: [2018-11-23 13:23:13,602 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:23:13,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:23:13,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:23:19,813 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:23:19,813 INFO L272 AbstractInterpreter]: Visited 122 different actions 363 times. Merged at 6 different actions 17 times. Never widened. Performed 3507 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3507 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 13:23:19,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:19,818 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:23:20,795 INFO L227 lantSequenceWeakener]: Weakened 487 states. On average, predicates are now at 80.23% of their original sizes. [2018-11-23 13:23:20,796 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:23:20,858 INFO L415 sIntCurrentIteration]: We unified 489 AI predicates to 489 [2018-11-23 13:23:20,858 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:23:20,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:23:20,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 13:23:20,859 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:23:20,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:23:20,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:23:20,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:23:20,860 INFO L87 Difference]: Start difference. First operand 3129 states and 4014 transitions. Second operand 10 states. [2018-11-23 13:23:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:23:34,703 INFO L93 Difference]: Finished difference Result 7307 states and 9593 transitions. [2018-11-23 13:23:34,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 13:23:34,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 490 [2018-11-23 13:23:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:23:34,712 INFO L225 Difference]: With dead ends: 7307 [2018-11-23 13:23:34,712 INFO L226 Difference]: Without dead ends: 4550 [2018-11-23 13:23:34,718 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 500 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 13:23:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4550 states. [2018-11-23 13:23:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4550 to 4527. [2018-11-23 13:23:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4527 states. [2018-11-23 13:23:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 5593 transitions. [2018-11-23 13:23:34,768 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 5593 transitions. Word has length 490 [2018-11-23 13:23:34,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:23:34,769 INFO L480 AbstractCegarLoop]: Abstraction has 4527 states and 5593 transitions. [2018-11-23 13:23:34,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:23:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 5593 transitions. [2018-11-23 13:23:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2018-11-23 13:23:34,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:23:34,776 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:23:34,776 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:23:34,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1490468383, now seen corresponding path program 1 times [2018-11-23 13:23:34,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:23:34,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:34,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:34,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:34,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:23:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 517 proven. 459 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-23 13:23:35,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:35,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:23:35,391 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 564 with the following transitions: [2018-11-23 13:23:35,392 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:23:35,394 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:23:35,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:23:42,600 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:23:42,600 INFO L272 AbstractInterpreter]: Visited 124 different actions 493 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 4847 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 13:23:42,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:42,604 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:23:42,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:42,604 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:23:42,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:42,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:23:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:42,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:23:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 852 proven. 2 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-23 13:23:42,791 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:23:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 368 proven. 144 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2018-11-23 13:23:43,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:23:43,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-23 13:23:43,047 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:23:43,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 13:23:43,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 13:23:43,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:23:43,048 INFO L87 Difference]: Start difference. First operand 4527 states and 5593 transitions. Second operand 17 states. [2018-11-23 13:23:46,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:23:46,029 INFO L93 Difference]: Finished difference Result 12015 states and 15936 transitions. [2018-11-23 13:23:46,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 13:23:46,029 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 563 [2018-11-23 13:23:46,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:23:46,052 INFO L225 Difference]: With dead ends: 12015 [2018-11-23 13:23:46,052 INFO L226 Difference]: Without dead ends: 7096 [2018-11-23 13:23:46,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1201 GetRequests, 1146 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=613, Invalid=2579, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 13:23:46,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2018-11-23 13:23:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 6387. [2018-11-23 13:23:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6387 states. [2018-11-23 13:23:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 7382 transitions. [2018-11-23 13:23:46,204 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 7382 transitions. Word has length 563 [2018-11-23 13:23:46,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:23:46,205 INFO L480 AbstractCegarLoop]: Abstraction has 6387 states and 7382 transitions. [2018-11-23 13:23:46,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 13:23:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 7382 transitions. [2018-11-23 13:23:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2018-11-23 13:23:46,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:23:46,216 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:23:46,216 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:23:46,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:46,216 INFO L82 PathProgramCache]: Analyzing trace with hash 907946078, now seen corresponding path program 1 times [2018-11-23 13:23:46,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:23:46,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:46,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:46,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:46,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:23:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 557 proven. 111 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-23 13:23:46,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:46,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:23:46,693 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 675 with the following transitions: [2018-11-23 13:23:46,693 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:23:46,696 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:23:46,696 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:23:50,642 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:23:50,642 INFO L272 AbstractInterpreter]: Visited 191 different actions 766 times. Merged at 9 different actions 35 times. Widened at 1 different actions 2 times. Performed 8474 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8474 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 13:23:50,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:50,646 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:23:50,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:50,647 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:23:50,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:50,652 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:23:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:50,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:23:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 944 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-23 13:23:50,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:23:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 557 proven. 111 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-23 13:23:51,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:23:51,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-11-23 13:23:51,088 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:23:51,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:23:51,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:23:51,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:23:51,089 INFO L87 Difference]: Start difference. First operand 6387 states and 7382 transitions. Second operand 7 states. [2018-11-23 13:23:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:23:52,273 INFO L93 Difference]: Finished difference Result 18118 states and 24609 transitions. [2018-11-23 13:23:52,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 13:23:52,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 674 [2018-11-23 13:23:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:23:52,332 INFO L225 Difference]: With dead ends: 18118 [2018-11-23 13:23:52,332 INFO L226 Difference]: Without dead ends: 12103 [2018-11-23 13:23:52,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1365 GetRequests, 1351 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-11-23 13:23:52,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12103 states. [2018-11-23 13:23:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12103 to 11725. [2018-11-23 13:23:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11725 states. [2018-11-23 13:23:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11725 states to 11725 states and 13896 transitions. [2018-11-23 13:23:52,639 INFO L78 Accepts]: Start accepts. Automaton has 11725 states and 13896 transitions. Word has length 674 [2018-11-23 13:23:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:23:52,639 INFO L480 AbstractCegarLoop]: Abstraction has 11725 states and 13896 transitions. [2018-11-23 13:23:52,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:23:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 11725 states and 13896 transitions. [2018-11-23 13:23:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2018-11-23 13:23:52,654 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:23:52,655 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:23:52,655 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:23:52,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:52,655 INFO L82 PathProgramCache]: Analyzing trace with hash -821888786, now seen corresponding path program 1 times [2018-11-23 13:23:52,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:23:52,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:52,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:52,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:23:52,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:23:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 697 proven. 546 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-11-23 13:23:53,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:53,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:23:53,314 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 834 with the following transitions: [2018-11-23 13:23:53,314 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], [293], [295], [298], [306], [314], [322], [330], [338], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 13:23:53,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:23:53,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:23:57,282 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:23:57,282 INFO L272 AbstractInterpreter]: Visited 192 different actions 770 times. Merged at 9 different actions 35 times. Widened at 1 different actions 2 times. Performed 8526 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 13:23:57,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:23:57,283 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:23:57,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:23:57,283 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:23:57,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:23:57,289 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:23:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:23:57,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:23:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1258 proven. 2 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2018-11-23 13:23:57,638 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:23:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 764 proven. 111 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2018-11-23 13:23:57,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:23:57,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 13:23:57,996 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:23:57,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 13:23:57,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 13:23:57,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-11-23 13:23:57,997 INFO L87 Difference]: Start difference. First operand 11725 states and 13896 transitions. Second operand 14 states. [2018-11-23 13:24:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:02,598 INFO L93 Difference]: Finished difference Result 27847 states and 34549 transitions. [2018-11-23 13:24:02,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-11-23 13:24:02,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 833 [2018-11-23 13:24:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:02,642 INFO L225 Difference]: With dead ends: 27847 [2018-11-23 13:24:02,642 INFO L226 Difference]: Without dead ends: 16168 [2018-11-23 13:24:02,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1840 GetRequests, 1735 SyntacticMatches, 4 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3834 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1707, Invalid=8799, Unknown=0, NotChecked=0, Total=10506 [2018-11-23 13:24:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16168 states. [2018-11-23 13:24:02,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16168 to 15794. [2018-11-23 13:24:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15794 states. [2018-11-23 13:24:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15794 states to 15794 states and 18113 transitions. [2018-11-23 13:24:02,918 INFO L78 Accepts]: Start accepts. Automaton has 15794 states and 18113 transitions. Word has length 833 [2018-11-23 13:24:02,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:02,919 INFO L480 AbstractCegarLoop]: Abstraction has 15794 states and 18113 transitions. [2018-11-23 13:24:02,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 13:24:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand 15794 states and 18113 transitions. [2018-11-23 13:24:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2018-11-23 13:24:02,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:02,932 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:02,932 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:02,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:02,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1138391638, now seen corresponding path program 1 times [2018-11-23 13:24:02,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:24:02,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:02,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:02,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:02,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:24:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 2280 trivial. 0 not checked. [2018-11-23 13:24:03,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:03,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:24:03,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:24:03,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:24:03,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:24:03,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:24:03,462 INFO L87 Difference]: Start difference. First operand 15794 states and 18113 transitions. Second operand 4 states. [2018-11-23 13:24:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:04,071 INFO L93 Difference]: Finished difference Result 34158 states and 39662 transitions. [2018-11-23 13:24:04,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:24:04,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 984 [2018-11-23 13:24:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:04,072 INFO L225 Difference]: With dead ends: 34158 [2018-11-23 13:24:04,073 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:24:04,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:24:04,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:24:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:24:04,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:24:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:24:04,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 984 [2018-11-23 13:24:04,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:04,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:24:04,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:24:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:24:04,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:24:04,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:24:04,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,567 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 396 [2018-11-23 13:24:04,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:24:04,866 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 373 [2018-11-23 13:24:05,364 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 39 [2018-11-23 13:24:06,241 WARN L180 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 48 [2018-11-23 13:24:06,972 WARN L180 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 48 [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:24:06,973 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,973 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 13:24:06,974 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 13:24:06,975 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 13:24:06,976 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 13:24:06,977 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 13:24:06,978 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~a24~0)|))) (.cse0 (= 10 |old(~a15~0)|)) (.cse2 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0))) (.cse1 (= 7 |old(~a15~0)|)) (.cse4 (= 9 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (< |old(~a12~0)| 12) .cse3 .cse2) (or .cse0 .cse2 (= 9 |old(~a21~0)|) .cse3) (or .cse0 (not (= 6 |old(~a21~0)|)) (< 0 (+ |old(~a12~0)| 49)) .cse2 .cse1 .cse4))) [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,979 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 13:24:06,980 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 13:24:06,981 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 13:24:06,982 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 13:24:06,983 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 13:24:06,984 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 13:24:06,985 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,986 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 13:24:06,987 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-23 13:24:06,988 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse0 (not (= ~a15~0 10))) (.cse2 (not (= ~a15~0 9))) (.cse3 (not (= ~a15~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (and (not (= 9 ~a21~0)) (= 1 ~a24~0))) (and .cse0 (<= 12 ~a12~0) .cse1) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (and .cse2 .cse3 .cse1) .cse0) (and .cse0 (and .cse2 (= 6 ~a21~0) .cse3 (<= (+ ~a12~0 49) 0))) (not (= 1 |old(~a24~0)|)))) [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 13:24:06,988 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 13:24:06,989 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse0 (not (= ~a15~0 10))) (.cse2 (not (= ~a15~0 9))) (.cse3 (not (= ~a15~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (and (not (= 9 ~a21~0)) (= 1 ~a24~0))) (and .cse0 (<= 12 ~a12~0) .cse1) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (and .cse2 .cse3 .cse1) .cse0) (and .cse0 (and .cse2 (= 6 ~a21~0) .cse3 (<= (+ ~a12~0 49) 0))) (not (= 1 |old(~a24~0)|)))) [2018-11-23 13:24:06,989 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 13:24:06,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:24:06 BoogieIcfgContainer [2018-11-23 13:24:06,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:24:06,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:24:06,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:24:06,999 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:24:07,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:26" (3/4) ... [2018-11-23 13:24:07,003 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:24:07,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:24:07,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 13:24:07,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:24:07,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:24:07,019 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:24:07,043 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(8 == \old(a15)) || (!(a15 == 10) && !(9 == a21) && 1 == a24)) || ((!(a15 == 10) && 12 <= a12) && a24 == \old(a24))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (((!(a15 == 9) && !(a15 == 7)) && a24 == \old(a24)) && !(a15 == 10))) || (!(a15 == 10) && ((!(a15 == 9) && 6 == a21) && !(a15 == 7)) && a12 + 49 <= 0)) || !(1 == \old(a24)) [2018-11-23 13:24:07,125 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b7baa9ac-61b6-4756-85ff-da774ec5dd19/bin-2019/utaipan/witness.graphml [2018-11-23 13:24:07,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:24:07,126 INFO L168 Benchmark]: Toolchain (without parser) took 102499.64 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -360.1 MB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,126 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:24:07,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -227.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,127 INFO L168 Benchmark]: Boogie Preprocessor took 49.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,127 INFO L168 Benchmark]: RCFGBuilder took 935.57 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: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,127 INFO L168 Benchmark]: TraceAbstraction took 100878.04 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -301.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,128 INFO L168 Benchmark]: Witness Printer took 125.77 ms. Allocated memory is still 5.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 11.5 GB. [2018-11-23 13:24:07,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -227.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 935.57 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: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100878.04 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -301.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 125.77 ms. Allocated memory is still 5.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: ((((((!(8 == \old(a15)) || (!(a15 == 10) && !(9 == a21) && 1 == a24)) || ((!(a15 == 10) && 12 <= a12) && a24 == \old(a24))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (((!(a15 == 9) && !(a15 == 7)) && a24 == \old(a24)) && !(a15 == 10))) || (!(a15 == 10) && ((!(a15 == 9) && 6 == a21) && !(a15 == 7)) && a12 + 49 <= 0)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 100.8s OverallTime, 11 OverallIterations, 8 TraceHistogramMax, 55.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1707 SDtfs, 26151 SDslu, 2445 SDs, 0 SdLazy, 24988 SolverSat, 4407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 6344 GetRequests, 6079 SyntacticMatches, 10 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5161 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15794occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 29.5s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9974551449920269 AbsIntWeakeningRatio, 0.08428446005267778 AbsIntAvgWeakeningVarsNumRemoved, 15.978050921861282 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1737 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 295 PreInvPairs, 459 NumberOfFragments, 337 HoareAnnotationTreeSize, 295 FomulaSimplifications, 30165 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 35511 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 7301 NumberOfCodeBlocks, 7301 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 9707 ConstructedInterpolants, 0 QuantifiedInterpolants, 20760691 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3578 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 16077/18608 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...