./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_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_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:52:21,559 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:52:21,560 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:52:21,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:52:21,567 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:52:21,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:52:21,569 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:52:21,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:52:21,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:52:21,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:52:21,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:52:21,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:52:21,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:52:21,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:52:21,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:52:21,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:52:21,576 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:52:21,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:52:21,578 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:52:21,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:52:21,580 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:52:21,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:52:21,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:52:21,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:52:21,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:52:21,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:52:21,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:52:21,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:52:21,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:52:21,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:52:21,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:52:21,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:52:21,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:52:21,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:52:21,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:52:21,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:52:21,589 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:52:21,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:52:21,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:52:21,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:52:21,600 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:52:21,600 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:52:21,600 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:52:21,600 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:52:21,600 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:52:21,601 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:52:21,601 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:52:21,601 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:52:21,601 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:52:21,601 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:52:21,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:52:21,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:52:21,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:52:21,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:52:21,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:52:21,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:52:21,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:52:21,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:52:21,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:52:21,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:52:21,605 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:52:21,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:52:21,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:52:21,605 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:52:21,605 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_055fe78f-94e9-4597-979b-67387052fe8e/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-11-23 00:52:21,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:52:21,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:52:21,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:52:21,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:52:21,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:52:21,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-23 00:52:21,680 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/data/467c9aa60/db48c2db051d4b4facbf1a07316a6bbf/FLAG4fce175a3 [2018-11-23 00:52:22,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:52:22,126 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-23 00:52:22,135 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/data/467c9aa60/db48c2db051d4b4facbf1a07316a6bbf/FLAG4fce175a3 [2018-11-23 00:52:22,147 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/data/467c9aa60/db48c2db051d4b4facbf1a07316a6bbf [2018-11-23 00:52:22,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:52:22,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:52:22,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:52:22,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:52:22,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:52:22,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22, skipping insertion in model container [2018-11-23 00:52:22,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:52:22,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:52:22,458 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:52:22,461 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:52:22,527 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:52:22,539 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:52:22,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22 WrapperNode [2018-11-23 00:52:22,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:52:22,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:52:22,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:52:22,541 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:52:22,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:52:22,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:52:22,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:52:22,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:52:22,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2018-11-23 00:52:22,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:52:22,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:52:22,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:52:22,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:52:22,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 00:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:52:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:52:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:52:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:52:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:52:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:52:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:52:23,651 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:52:23,652 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:52:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:23 BoogieIcfgContainer [2018-11-23 00:52:23,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:52:23,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:52:23,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:52:23,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:52:23,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:52:22" (1/3) ... [2018-11-23 00:52:23,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:23, skipping insertion in model container [2018-11-23 00:52:23,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (2/3) ... [2018-11-23 00:52:23,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:23, skipping insertion in model container [2018-11-23 00:52:23,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:23" (3/3) ... [2018-11-23 00:52:23,659 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-11-23 00:52:23,667 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:52:23,673 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:52:23,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:52:23,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:52:23,715 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:52:23,715 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:52:23,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:52:23,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:52:23,715 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:52:23,715 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:52:23,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:52:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 00:52:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 00:52:23,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:23,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:23,745 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:23,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:23,750 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2018-11-23 00:52:23,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:23,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:23,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:23,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:23,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:24,049 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 00:52:24,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:24,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:52:24,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:24,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:52:24,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:52:24,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:52:24,066 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 00:52:24,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:24,701 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 00:52:24,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:52:24,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-23 00:52:24,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:24,711 INFO L225 Difference]: With dead ends: 547 [2018-11-23 00:52:24,711 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 00:52:24,714 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 00:52:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 00:52:24,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 00:52:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 00:52:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 00:52:24,753 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 116 [2018-11-23 00:52:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:24,754 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 00:52:24,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:52:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 00:52:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 00:52:24,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:24,758 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:24,758 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:24,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:24,759 INFO L82 PathProgramCache]: Analyzing trace with hash -363877541, now seen corresponding path program 1 times [2018-11-23 00:52:24,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:24,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:24,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:24,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:24,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:24,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:24,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:52:24,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:24,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:52:24,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:52:24,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:52:24,853 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 00:52:25,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:25,408 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 00:52:25,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:52:25,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-11-23 00:52:25,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:25,414 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 00:52:25,415 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 00:52:25,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:52:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 00:52:25,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 00:52:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 00:52:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 00:52:25,448 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 125 [2018-11-23 00:52:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:25,448 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 00:52:25,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:52:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 00:52:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 00:52:25,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:25,453 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:25,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:25,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times [2018-11-23 00:52:25,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:25,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:25,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:25,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:25,456 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:25,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:25,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:25,548 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 00:52:25,549 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:25,596 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:25,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:26,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:52:26,129 INFO L272 AbstractInterpreter]: Visited 120 different actions 233 times. Merged at 3 different actions 3 times. Never widened. Performed 3217 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 00:52:26,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:26,144 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:52:26,471 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 81.87% of their original sizes. [2018-11-23 00:52:26,471 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:52:26,530 INFO L415 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-11-23 00:52:26,531 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:52:26,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:52:26,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:52:26,532 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:26,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:52:26,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:52:26,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:26,533 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 10 states. [2018-11-23 00:52:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:30,655 INFO L93 Difference]: Finished difference Result 2780 states and 4480 transitions. [2018-11-23 00:52:30,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 00:52:30,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2018-11-23 00:52:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:30,662 INFO L225 Difference]: With dead ends: 2780 [2018-11-23 00:52:30,662 INFO L226 Difference]: Without dead ends: 2057 [2018-11-23 00:52:30,666 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:52:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-23 00:52:30,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2032. [2018-11-23 00:52:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2018-11-23 00:52:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2612 transitions. [2018-11-23 00:52:30,752 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2612 transitions. Word has length 150 [2018-11-23 00:52:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:30,753 INFO L480 AbstractCegarLoop]: Abstraction has 2032 states and 2612 transitions. [2018-11-23 00:52:30,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:52:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2612 transitions. [2018-11-23 00:52:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 00:52:30,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:30,758 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:30,758 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:30,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:30,759 INFO L82 PathProgramCache]: Analyzing trace with hash 72858025, now seen corresponding path program 1 times [2018-11-23 00:52:30,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:30,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:30,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:30,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:30,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:52:30,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:30,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:30,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-23 00:52:30,878 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:30,882 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:30,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:31,046 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:52:31,046 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3112 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 00:52:31,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:31,051 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:52:31,188 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.83% of their original sizes. [2018-11-23 00:52:31,188 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:52:31,232 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-23 00:52:31,232 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:52:31,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:52:31,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:52:31,232 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:31,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:52:31,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:52:31,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:31,233 INFO L87 Difference]: Start difference. First operand 2032 states and 2612 transitions. Second operand 10 states. [2018-11-23 00:52:33,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:33,996 INFO L93 Difference]: Finished difference Result 4062 states and 5290 transitions. [2018-11-23 00:52:33,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:52:33,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-11-23 00:52:33,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:34,002 INFO L225 Difference]: With dead ends: 4062 [2018-11-23 00:52:34,002 INFO L226 Difference]: Without dead ends: 2171 [2018-11-23 00:52:34,005 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 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 00:52:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-11-23 00:52:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2018-11-23 00:52:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2169 states. [2018-11-23 00:52:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2765 transitions. [2018-11-23 00:52:34,036 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2765 transitions. Word has length 162 [2018-11-23 00:52:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:34,036 INFO L480 AbstractCegarLoop]: Abstraction has 2169 states and 2765 transitions. [2018-11-23 00:52:34,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:52:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2765 transitions. [2018-11-23 00:52:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 00:52:34,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:34,039 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:34,039 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:34,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:34,040 INFO L82 PathProgramCache]: Analyzing trace with hash -2049914302, now seen corresponding path program 1 times [2018-11-23 00:52:34,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:34,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:34,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:34,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:34,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 00:52:34,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:34,100 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:34,100 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-23 00:52:34,100 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:34,102 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:34,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:34,360 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:52:34,360 INFO L272 AbstractInterpreter]: Visited 122 different actions 362 times. Merged at 6 different actions 16 times. Never widened. Performed 4938 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4938 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 00:52:34,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:34,361 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:52:34,490 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 83.53% of their original sizes. [2018-11-23 00:52:34,490 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:52:34,555 INFO L415 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-11-23 00:52:34,555 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:52:34,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:52:34,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-23 00:52:34,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:34,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:52:34,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:52:34,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:52:34,556 INFO L87 Difference]: Start difference. First operand 2169 states and 2765 transitions. Second operand 9 states. [2018-11-23 00:52:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:37,544 INFO L93 Difference]: Finished difference Result 5158 states and 6916 transitions. [2018-11-23 00:52:37,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 00:52:37,544 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-11-23 00:52:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:37,550 INFO L225 Difference]: With dead ends: 5158 [2018-11-23 00:52:37,551 INFO L226 Difference]: Without dead ends: 3267 [2018-11-23 00:52:37,555 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:52:37,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2018-11-23 00:52:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 3227. [2018-11-23 00:52:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3227 states. [2018-11-23 00:52:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4094 transitions. [2018-11-23 00:52:37,600 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4094 transitions. Word has length 173 [2018-11-23 00:52:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:37,600 INFO L480 AbstractCegarLoop]: Abstraction has 3227 states and 4094 transitions. [2018-11-23 00:52:37,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:52:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4094 transitions. [2018-11-23 00:52:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 00:52:37,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:37,604 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:37,605 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:37,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:37,605 INFO L82 PathProgramCache]: Analyzing trace with hash 994499299, now seen corresponding path program 1 times [2018-11-23 00:52:37,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:37,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:37,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:37,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:37,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 00:52:37,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:37,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:37,673 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-11-23 00:52:37,673 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:37,676 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:37,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:38,007 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:52:38,007 INFO L272 AbstractInterpreter]: Visited 124 different actions 619 times. Merged at 9 different actions 42 times. Widened at 1 different actions 1 times. Performed 8999 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8999 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:52:38,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:38,011 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:52:38,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:38,011 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 00:52:38,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:38,018 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:52:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:38,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:52:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 00:52:38,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:52:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 00:52:38,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:52:38,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 00:52:38,419 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:52:38,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:52:38,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:52:38,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:52:38,420 INFO L87 Difference]: Start difference. First operand 3227 states and 4094 transitions. Second operand 8 states. [2018-11-23 00:52:40,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:40,169 INFO L93 Difference]: Finished difference Result 11026 states and 14932 transitions. [2018-11-23 00:52:40,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 00:52:40,170 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2018-11-23 00:52:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:40,180 INFO L225 Difference]: With dead ends: 11026 [2018-11-23 00:52:40,180 INFO L226 Difference]: Without dead ends: 4013 [2018-11-23 00:52:40,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 00:52:40,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2018-11-23 00:52:40,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 3935. [2018-11-23 00:52:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3935 states. [2018-11-23 00:52:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3935 states and 4592 transitions. [2018-11-23 00:52:40,250 INFO L78 Accepts]: Start accepts. Automaton has 3935 states and 4592 transitions. Word has length 192 [2018-11-23 00:52:40,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:40,250 INFO L480 AbstractCegarLoop]: Abstraction has 3935 states and 4592 transitions. [2018-11-23 00:52:40,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:52:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3935 states and 4592 transitions. [2018-11-23 00:52:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 00:52:40,255 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:40,256 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:40,256 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:40,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash -949215957, now seen corresponding path program 1 times [2018-11-23 00:52:40,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:40,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:40,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:40,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:40,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 00:52:40,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:40,353 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:40,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-23 00:52:40,353 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:40,355 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:40,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:40,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:52:40,462 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 00:52:40,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:40,463 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:52:40,610 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 81.79% of their original sizes. [2018-11-23 00:52:40,610 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:52:40,674 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-23 00:52:40,675 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:52:40,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:52:40,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:52:40,675 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:40,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:52:40,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:52:40,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:40,675 INFO L87 Difference]: Start difference. First operand 3935 states and 4592 transitions. Second operand 10 states. [2018-11-23 00:52:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:43,094 INFO L93 Difference]: Finished difference Result 8049 states and 9434 transitions. [2018-11-23 00:52:43,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 00:52:43,094 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-11-23 00:52:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:43,102 INFO L225 Difference]: With dead ends: 8049 [2018-11-23 00:52:43,102 INFO L226 Difference]: Without dead ends: 4392 [2018-11-23 00:52:43,106 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:52:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2018-11-23 00:52:43,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4390. [2018-11-23 00:52:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4390 states. [2018-11-23 00:52:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 5078 transitions. [2018-11-23 00:52:43,155 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 5078 transitions. Word has length 195 [2018-11-23 00:52:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:43,155 INFO L480 AbstractCegarLoop]: Abstraction has 4390 states and 5078 transitions. [2018-11-23 00:52:43,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:52:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 5078 transitions. [2018-11-23 00:52:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 00:52:43,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:43,161 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:43,161 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:43,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:43,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1061646224, now seen corresponding path program 1 times [2018-11-23 00:52:43,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:43,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:43,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:43,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:43,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 00:52:43,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:43,266 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:43,266 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-23 00:52:43,267 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:43,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:43,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:43,515 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:52:43,516 INFO L272 AbstractInterpreter]: Visited 123 different actions 490 times. Merged at 8 different actions 31 times. Never widened. Performed 6916 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6916 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:52:43,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:43,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:52:43,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:43,519 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 00:52:43,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:43,583 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:52:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:43,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:52:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 00:52:43,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:52:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:52:43,748 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:52:43,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 00:52:43,749 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:52:43,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:52:43,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:52:43,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:52:43,749 INFO L87 Difference]: Start difference. First operand 4390 states and 5078 transitions. Second operand 11 states. [2018-11-23 00:52:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:44,862 INFO L93 Difference]: Finished difference Result 13293 states and 16376 transitions. [2018-11-23 00:52:44,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 00:52:44,863 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2018-11-23 00:52:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:44,886 INFO L225 Difference]: With dead ends: 13293 [2018-11-23 00:52:44,886 INFO L226 Difference]: Without dead ends: 9499 [2018-11-23 00:52:44,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:52:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9499 states. [2018-11-23 00:52:45,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9499 to 9455. [2018-11-23 00:52:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9455 states. [2018-11-23 00:52:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 11203 transitions. [2018-11-23 00:52:45,065 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 11203 transitions. Word has length 203 [2018-11-23 00:52:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:45,066 INFO L480 AbstractCegarLoop]: Abstraction has 9455 states and 11203 transitions. [2018-11-23 00:52:45,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:52:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 11203 transitions. [2018-11-23 00:52:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 00:52:45,081 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:45,081 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:45,081 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:45,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:45,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1638505872, now seen corresponding path program 1 times [2018-11-23 00:52:45,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:45,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:45,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:45,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:45,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 00:52:45,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:45,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:45,219 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-23 00:52:45,219 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:45,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:45,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:45,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:52:45,483 INFO L272 AbstractInterpreter]: Visited 122 different actions 358 times. Merged at 6 different actions 12 times. Never widened. Performed 4745 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4745 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 00:52:45,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:45,485 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:52:45,700 INFO L227 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 83.51% of their original sizes. [2018-11-23 00:52:45,700 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:52:45,738 INFO L415 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-11-23 00:52:45,738 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:52:45,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:52:45,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 00:52:45,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:45,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:52:45,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:52:45,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:52:45,739 INFO L87 Difference]: Start difference. First operand 9455 states and 11203 transitions. Second operand 9 states. [2018-11-23 00:52:47,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:47,070 INFO L93 Difference]: Finished difference Result 18871 states and 22463 transitions. [2018-11-23 00:52:47,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:52:47,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2018-11-23 00:52:47,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:47,094 INFO L225 Difference]: With dead ends: 18871 [2018-11-23 00:52:47,094 INFO L226 Difference]: Without dead ends: 10149 [2018-11-23 00:52:47,106 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-23 00:52:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2018-11-23 00:52:47,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 10144. [2018-11-23 00:52:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10144 states. [2018-11-23 00:52:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10144 states to 10144 states and 11977 transitions. [2018-11-23 00:52:47,269 INFO L78 Accepts]: Start accepts. Automaton has 10144 states and 11977 transitions. Word has length 212 [2018-11-23 00:52:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:47,270 INFO L480 AbstractCegarLoop]: Abstraction has 10144 states and 11977 transitions. [2018-11-23 00:52:47,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:52:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 10144 states and 11977 transitions. [2018-11-23 00:52:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 00:52:47,286 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:47,287 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:47,287 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:47,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:47,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1410836319, now seen corresponding path program 1 times [2018-11-23 00:52:47,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:47,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:47,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:47,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:47,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 104 proven. 64 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 00:52:47,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:47,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:47,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-23 00:52:47,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:47,421 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:47,421 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:47,688 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:52:47,688 INFO L272 AbstractInterpreter]: Visited 124 different actions 501 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 7097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:52:47,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:47,689 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:52:47,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:47,689 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 00:52:47,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:47,695 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:52:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:47,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:52:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 00:52:47,794 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:52:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 00:52:47,854 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:52:47,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 00:52:47,855 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:52:47,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 00:52:47,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 00:52:47,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 00:52:47,856 INFO L87 Difference]: Start difference. First operand 10144 states and 11977 transitions. Second operand 12 states. [2018-11-23 00:52:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:50,318 INFO L93 Difference]: Finished difference Result 23958 states and 29677 transitions. [2018-11-23 00:52:50,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-23 00:52:50,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 222 [2018-11-23 00:52:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:50,346 INFO L225 Difference]: With dead ends: 23958 [2018-11-23 00:52:50,346 INFO L226 Difference]: Without dead ends: 13742 [2018-11-23 00:52:50,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 476 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=521, Invalid=1929, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 00:52:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13742 states. [2018-11-23 00:52:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13742 to 13211. [2018-11-23 00:52:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13211 states. [2018-11-23 00:52:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13211 states to 13211 states and 15915 transitions. [2018-11-23 00:52:50,534 INFO L78 Accepts]: Start accepts. Automaton has 13211 states and 15915 transitions. Word has length 222 [2018-11-23 00:52:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:50,534 INFO L480 AbstractCegarLoop]: Abstraction has 13211 states and 15915 transitions. [2018-11-23 00:52:50,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 00:52:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13211 states and 15915 transitions. [2018-11-23 00:52:50,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 00:52:50,562 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:50,562 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:50,562 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:50,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1244426434, now seen corresponding path program 1 times [2018-11-23 00:52:50,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:50,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,565 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 00:52:50,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:50,724 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:50,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-23 00:52:50,724 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:52:50,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:50,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:50,979 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:52:50,979 INFO L272 AbstractInterpreter]: Visited 123 different actions 486 times. Merged at 8 different actions 27 times. Never widened. Performed 7014 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:52:50,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,983 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:52:50,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:50,983 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/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 00:52:50,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,989 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:52:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:51,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:52:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 00:52:51,088 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:52:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 00:52:51,212 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:52:51,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-23 00:52:51,212 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:52:51,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:52:51,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:52:51,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-23 00:52:51,214 INFO L87 Difference]: Start difference. First operand 13211 states and 15915 transitions. Second operand 11 states. [2018-11-23 00:52:52,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:52,945 INFO L93 Difference]: Finished difference Result 27233 states and 35163 transitions. [2018-11-23 00:52:52,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-23 00:52:52,946 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2018-11-23 00:52:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:52,946 INFO L225 Difference]: With dead ends: 27233 [2018-11-23 00:52:52,946 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:52:53,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 473 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2018-11-23 00:52:53,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:52:53,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:52:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:52:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:52:53,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2018-11-23 00:52:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:53,013 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:52:53,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:52:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:52:53,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:52:53,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:52:53,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:53,988 WARN L180 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 113 [2018-11-23 00:52:54,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:52:54,521 WARN L180 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 161 [2018-11-23 00:52:56,264 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 368 DAG size of output: 119 [2018-11-23 00:52:56,634 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2018-11-23 00:52:57,129 WARN L180 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 79 [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|)) [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,131 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,132 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 00:52:57,133 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 00:52:57,134 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 00:52:57,135 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 00:52:57,136 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,137 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 00:52:57,138 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 00:52:57,139 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 00:52:57,140 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse24 (= 1 |old(~a7~0)|)) (.cse34 (= 1 |old(~a20~0)|)) (.cse9 (= 1 ~a7~0)) (.cse33 (<= ~a21~0 |old(~a21~0)|)) (.cse32 (= |old(~a20~0)| ~a20~0)) (.cse0 (= ~a21~0 1)) (.cse28 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse29 (= ~a17~0 |old(~a17~0)|)) (.cse30 (= ~a16~0 |old(~a16~0)|))) (let ((.cse22 (not (= 4 |old(~a16~0)|))) (.cse25 (and .cse32 .cse0 .cse28 .cse10 .cse29 .cse30)) (.cse3 (not (= 0 |old(~a7~0)|))) (.cse6 (not (= 15 |old(~a8~0)|))) (.cse19 (not (= 5 |old(~a16~0)|))) (.cse18 (not (= ~a16~0 6))) (.cse2 (= 6 |old(~a16~0)|)) (.cse20 (and .cse9 .cse10 .cse32 .cse29 .cse33 .cse30)) (.cse21 (< 0 |old(~a21~0)|)) (.cse17 (< 13 |old(~a8~0)|)) (.cse8 (not (= ~a16~0 0))) (.cse11 (= ~a17~0 1)) (.cse26 (< |old(~a8~0)| 15)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse5 (not .cse34)) (.cse12 (= 0 |old(~a16~0)|)) (.cse7 (not (= 8 ~a12~0))) (.cse31 (= ~a20~0 1)) (.cse1 (= |calculate_output_#in~input| 0)) (.cse14 (= 0 |old(~a8~0)|)) (.cse15 (not (= 1 |old(~a17~0)|))) (.cse27 (and .cse9 .cse10 .cse32 .cse29)) (.cse23 (= 13 |old(~a8~0)|)) (.cse13 (not .cse24)) (.cse16 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 (or (not .cse2) .cse3 .cse4 .cse5 .cse6 (not (= 0 |old(~a17~0)|)) .cse7)) (or .cse4 (and .cse8 .cse9 .cse10 .cse11 .cse0) .cse12 .cse7 .cse13 .cse1 .cse14 .cse15) (or .cse2 .cse3 .cse4 .cse7 .cse16 .cse1 .cse5 .cse6 .cse0 .cse12) (or .cse2 .cse4 .cse17 (and .cse8 .cse11 .cse0) .cse12 .cse7 .cse1 .cse14 .cse15) (or .cse2 .cse4 .cse12 .cse7 .cse13 .cse1 .cse14 .cse18 .cse15) (or .cse3 .cse4 .cse0 .cse7 .cse16 .cse1 .cse6 .cse19) (or .cse17 .cse20 (< |old(~a20~0)| 1) .cse13 .cse16 .cse21) (or (= ~a16~0 4) (or .cse4 .cse5 .cse22 (not .cse23)) .cse7 .cse13 .cse1 .cse15) (or .cse4 .cse24 .cse25 .cse23 .cse12 .cse7 .cse1 .cse14 (< 0 |old(~a20~0)|) .cse15) (or .cse2 .cse18 .cse13 .cse26) (or .cse2 .cse23 .cse13 .cse27 .cse16) (or .cse4 .cse22 .cse23 .cse7 .cse1 .cse15 .cse24 .cse5 (and .cse0 .cse28 .cse10 .cse29 .cse30 .cse31) .cse14) (or .cse24 (and .cse32 .cse29 .cse33 .cse30) .cse22 .cse16) (or .cse24 .cse23 .cse16 (and .cse28 .cse10 .cse32 .cse29 .cse33 .cse30)) (or (and .cse33 .cse30) .cse2 .cse23 .cse16) (or .cse2 .cse4 .cse24 .cse25 .cse23 .cse12 .cse7 .cse1 .cse14 .cse34 .cse15) (or .cse3 .cse4 (and .cse0 .cse28 .cse10 .cse29 .cse31 (= ~a16~0 5)) .cse7 .cse1 .cse15 .cse5 .cse6 .cse19) (or .cse2 (= |old(~a7~0)| 1) .cse17 (and .cse28 .cse10 .cse18)) (or .cse2 .cse17 .cse20 .cse13 .cse21) (or .cse4 .cse17 .cse5 .cse12 .cse7 (and .cse28 .cse8 .cse10 .cse11 .cse0 .cse31) .cse1 .cse14 .cse15) (or .cse13 (and .cse9 .cse10) .cse26) (or .cse4 .cse5 .cse12 .cse7 .cse31 .cse13 .cse1 .cse14 .cse15) (or .cse27 (not (= |old(~a20~0)| 1)) .cse23 .cse13 .cse16)))) [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,141 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 00:52:57,142 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 00:52:57,143 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,144 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:52:57,145 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 00:52:57,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:52:57,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:52:57,146 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 00:52:57,146 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:52:57,146 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a20~0 1)) (.cse1 (= ~a16~0 4)) (.cse0 (not (= ~a7~0 1))) (.cse10 (not (= ~a16~0 6))) (.cse12 (<= ~a8~0 13)) (.cse3 (= 1 ~a7~0)) (.cse13 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse4 (not (= ~a16~0 0))) (.cse6 (not (= main_~input~0 0))) (.cse7 (not (= ~a8~0 0))) (.cse8 (= ~a17~0 1)) (.cse9 (= ~a21~0 1)) (.cse11 (not (= ~a8~0 13)))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse3 (<= 15 ~a8~0)) (and .cse4 (not .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse4 .cse3 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11) (not (= 8 ~a12~0)) (and .cse12 .cse3 .cse13 .cse10) (and .cse12 .cse4 .cse6 .cse7 .cse8 .cse9 .cse5) (and (and .cse6 .cse7 .cse8 .cse9) .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= |old(~a20~0)| ~a20~0) .cse2 .cse11) (and .cse0 .cse2 .cse11) (not (= 0 |old(~a7~0)|)) (and .cse12 .cse14 .cse10) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse12 .cse3 .cse13 .cse2 (<= 1 ~a20~0)) (and .cse6 (= ~a8~0 15) .cse9 .cse14 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse4 .cse6 .cse7 .cse8 .cse9 .cse11 (<= ~a20~0 0)))) [2018-11-23 00:52:57,146 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 00:52:57,146 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 00:52:57,147 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse2 (not (= ~a7~0 1))) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse10 (not (= ~a16~0 6))) (.cse11 (not (= ~a8~0 13))) (.cse12 (not (= ~a16~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a17~0 1)) (.cse13 (= ~a20~0 1)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a8~0 13)) (.cse8 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse4 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a8~0 15) .cse0 .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse2 .cse3 .cse4) (and (and .cse5 .cse6 .cse0) .cse3) (not (= 8 ~a12~0)) (and .cse7 .cse8 .cse9 .cse10) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse4 .cse11) (and .cse7 .cse1 .cse10) (and .cse12 (not .cse13) .cse5 .cse6 .cse0 .cse10) (and .cse10 .cse4 .cse11) (and (<= ~a8~0 |old(~a8~0)|) .cse8 (<= 15 ~a8~0)) (and .cse12 .cse8 .cse5 .cse6 .cse0) (and (= |old(~a20~0)| ~a20~0) .cse4 .cse11) (not (= 0 |old(~a7~0)|)) (and .cse12 .cse5 .cse6 .cse0 (<= ~a20~0 0) .cse11) (and .cse7 .cse12 .cse5 .cse6 .cse13 .cse0) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse7 .cse8 .cse9 .cse4 (<= 1 ~a20~0)))) [2018-11-23 00:52:57,147 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:52:57,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:52:57 BoogieIcfgContainer [2018-11-23 00:52:57,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:52:57,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:52:57,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:52:57,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:52:57,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:23" (3/4) ... [2018-11-23 00:52:57,167 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:52:57,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:52:57,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:52:57,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:52:57,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:52:57,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:52:57,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(1 == \old(a21)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || (((!(a8 == 0) && a17 == 1) && a21 == 1) && a16 == 4)) || !(8 == a12)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6))) || ((!(a16 == 6) && a17 <= 0) && !(a8 == 13))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1)) || ((\old(a20) == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 <= 0) && !(a8 == 13))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) [2018-11-23 00:52:57,270 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_055fe78f-94e9-4597-979b-67387052fe8e/bin-2019/utaipan/witness.graphml [2018-11-23 00:52:57,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:52:57,271 INFO L168 Benchmark]: Toolchain (without parser) took 35120.37 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 953.9 MB in the beginning and 812.2 MB in the end (delta: 141.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,272 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 00:52:57,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,273 INFO L168 Benchmark]: Boogie Preprocessor took 52.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,273 INFO L168 Benchmark]: RCFGBuilder took 970.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,273 INFO L168 Benchmark]: TraceAbstraction took 33505.06 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 998.4 MB in the beginning and 812.2 MB in the end (delta: 186.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,273 INFO L168 Benchmark]: Witness Printer took 111.76 ms. Allocated memory is still 2.7 GB. Free memory was 812.2 MB in the beginning and 812.2 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 11.5 GB. [2018-11-23 00:52:57,275 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 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 970.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33505.06 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 998.4 MB in the beginning and 812.2 MB in the end (delta: 186.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 111.76 ms. Allocated memory is still 2.7 GB. Free memory was 812.2 MB in the beginning and 812.2 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(1 == \old(a21)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || (((!(a8 == 0) && a17 == 1) && a21 == 1) && a16 == 4)) || !(8 == a12)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6))) || ((!(a16 == 6) && a17 <= 0) && !(a8 == 13))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1)) || ((\old(a20) == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 <= 0) && !(a8 == 13))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 33.4s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 22.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1422 SDtfs, 13729 SDslu, 2900 SDs, 0 SdLazy, 18833 SolverSat, 3421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2840 GetRequests, 2610 SyntacticMatches, 9 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13211occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.9965861796901515 AbsIntWeakeningRatio, 0.237880496054115 AbsIntAvgWeakeningVarsNumRemoved, 28.611048478015782 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 737 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 752 PreInvPairs, 1480 NumberOfFragments, 1402 HoareAnnotationTreeSize, 752 FomulaSimplifications, 52749 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13132 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2823 NumberOfCodeBlocks, 2823 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3649 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315631 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2485 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 2520/2843 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...