./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/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 79d76b935496dc6a959c1e4984dc143bd47f9882 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:45:08,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:45:08,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:45:08,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:45:08,647 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:45:08,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:45:08,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:45:08,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:45:08,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:45:08,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:45:08,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:45:08,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:45:08,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:45:08,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:45:08,655 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:45:08,656 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:45:08,657 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:45:08,658 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:45:08,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:45:08,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:45:08,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:45:08,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:45:08,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:45:08,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:45:08,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:45:08,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:45:08,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:45:08,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:45:08,668 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:45:08,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:45:08,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:45:08,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:45:08,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:45:08,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:45:08,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:45:08,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:45:08,672 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:45:08,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:45:08,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:45:08,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:45:08,689 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:45:08,689 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:45:08,690 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:45:08,690 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:45:08,691 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:45:08,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:45:08,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:45:08,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:45:08,693 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:45:08,693 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:45:08,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:45:08,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:45:08,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:45:08,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:45:08,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:45:08,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:45:08,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:45:08,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:45:08,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:45:08,694 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:45:08,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:45:08,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:45:08,695 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:45:08,695 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_3c9a23ee-3c44-4f8b-8179-b333a79cea64/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 -> 79d76b935496dc6a959c1e4984dc143bd47f9882 [2018-11-18 11:45:08,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:45:08,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:45:08,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:45:08,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:45:08,743 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:45:08,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c [2018-11-18 11:45:08,800 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/data/2d29667b9/e3482135cb4440168a0dbdeb26d16652/FLAGddee365d5 [2018-11-18 11:45:09,237 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:45:09,238 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/sv-benchmarks/c/eca-rers2012/Problem02_label03_true-unreach-call_false-termination.c [2018-11-18 11:45:09,251 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/data/2d29667b9/e3482135cb4440168a0dbdeb26d16652/FLAGddee365d5 [2018-11-18 11:45:09,572 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/data/2d29667b9/e3482135cb4440168a0dbdeb26d16652 [2018-11-18 11:45:09,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:45:09,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:45:09,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:09,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:45:09,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:45:09,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:09" (1/1) ... [2018-11-18 11:45:09,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641f4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:09, skipping insertion in model container [2018-11-18 11:45:09,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:09" (1/1) ... [2018-11-18 11:45:09,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:45:09,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:45:10,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:10,078 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:45:10,209 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:10,225 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:45:10,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10 WrapperNode [2018-11-18 11:45:10,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:10,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:45:10,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:45:10,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:45:10,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:45:10,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:45:10,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:45:10,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:45:10,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... [2018-11-18 11:45:10,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:45:10,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:45:10,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:45:10,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:45:10,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:45:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:45:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:45:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:45:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:45:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:45:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:45:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:45:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:45:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:45:12,592 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:45:12,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:12 BoogieIcfgContainer [2018-11-18 11:45:12,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:45:12,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:45:12,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:45:12,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:45:12,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:45:09" (1/3) ... [2018-11-18 11:45:12,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526cec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:12, skipping insertion in model container [2018-11-18 11:45:12,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:10" (2/3) ... [2018-11-18 11:45:12,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526cec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:12, skipping insertion in model container [2018-11-18 11:45:12,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:12" (3/3) ... [2018-11-18 11:45:12,606 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label03_true-unreach-call_false-termination.c [2018-11-18 11:45:12,616 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:45:12,623 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:45:12,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:45:12,673 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:45:12,674 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:45:12,674 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:45:12,674 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:45:12,674 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:45:12,674 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:45:12,675 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:45:12,675 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:45:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 11:45:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 11:45:12,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:12,706 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:12,708 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:12,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:12,713 INFO L82 PathProgramCache]: Analyzing trace with hash -304516904, now seen corresponding path program 1 times [2018-11-18 11:45:12,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:12,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:12,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:12,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:12,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:13,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:13,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:45:13,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:13,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:45:13,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:45:13,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:45:13,286 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 11:45:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:14,834 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-18 11:45:14,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:45:14,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-18 11:45:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:14,850 INFO L225 Difference]: With dead ends: 788 [2018-11-18 11:45:14,850 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 11:45:14,854 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:45:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 11:45:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-18 11:45:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 11:45:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-18 11:45:14,914 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 136 [2018-11-18 11:45:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:14,915 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-18 11:45:14,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:45:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-18 11:45:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 11:45:14,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:14,920 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:14,921 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:14,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash -787094811, now seen corresponding path program 1 times [2018-11-18 11:45:14,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:14,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:14,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:15,258 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 11:45:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:15,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:15,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:45:15,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:15,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:45:15,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:45:15,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:15,431 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 5 states. [2018-11-18 11:45:15,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:15,967 INFO L93 Difference]: Finished difference Result 905 states and 1543 transitions. [2018-11-18 11:45:15,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:45:15,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-11-18 11:45:15,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:15,970 INFO L225 Difference]: With dead ends: 905 [2018-11-18 11:45:15,971 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 11:45:15,973 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:15,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 11:45:15,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 11:45:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 11:45:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 625 transitions. [2018-11-18 11:45:15,987 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 625 transitions. Word has length 145 [2018-11-18 11:45:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:15,987 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 625 transitions. [2018-11-18 11:45:15,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:45:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 625 transitions. [2018-11-18 11:45:15,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:45:15,992 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:15,992 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:15,992 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:15,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:15,993 INFO L82 PathProgramCache]: Analyzing trace with hash 259218255, now seen corresponding path program 1 times [2018-11-18 11:45:15,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:15,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:15,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:15,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:15,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:16,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:16,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:45:16,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:16,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:45:16,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:45:16,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:45:16,098 INFO L87 Difference]: Start difference. First operand 382 states and 625 transitions. Second operand 6 states. [2018-11-18 11:45:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:17,550 INFO L93 Difference]: Finished difference Result 1198 states and 2052 transitions. [2018-11-18 11:45:17,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:45:17,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-18 11:45:17,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:17,565 INFO L225 Difference]: With dead ends: 1198 [2018-11-18 11:45:17,565 INFO L226 Difference]: Without dead ends: 822 [2018-11-18 11:45:17,567 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:45:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-11-18 11:45:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 810. [2018-11-18 11:45:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-11-18 11:45:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1267 transitions. [2018-11-18 11:45:17,605 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1267 transitions. Word has length 157 [2018-11-18 11:45:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:17,606 INFO L480 AbstractCegarLoop]: Abstraction has 810 states and 1267 transitions. [2018-11-18 11:45:17,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:45:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1267 transitions. [2018-11-18 11:45:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:45:17,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:17,612 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:17,612 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:17,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:17,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1241453342, now seen corresponding path program 1 times [2018-11-18 11:45:17,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:17,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:17,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:17,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:17,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:17,945 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 11:45:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:18,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:18,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:45:18,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:18,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:45:18,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:45:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:18,129 INFO L87 Difference]: Start difference. First operand 810 states and 1267 transitions. Second operand 5 states. [2018-11-18 11:45:19,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:19,383 INFO L93 Difference]: Finished difference Result 1759 states and 2791 transitions. [2018-11-18 11:45:19,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:45:19,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-11-18 11:45:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:19,387 INFO L225 Difference]: With dead ends: 1759 [2018-11-18 11:45:19,387 INFO L226 Difference]: Without dead ends: 807 [2018-11-18 11:45:19,390 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-11-18 11:45:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2018-11-18 11:45:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 11:45:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1249 transitions. [2018-11-18 11:45:19,409 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1249 transitions. Word has length 161 [2018-11-18 11:45:19,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:19,409 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1249 transitions. [2018-11-18 11:45:19,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:45:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1249 transitions. [2018-11-18 11:45:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 11:45:19,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:19,412 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:19,413 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:19,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1229392870, now seen corresponding path program 1 times [2018-11-18 11:45:19,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:19,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:19,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:19,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:19,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:45:19,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:19,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:45:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:45:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:19,631 INFO L87 Difference]: Start difference. First operand 807 states and 1249 transitions. Second operand 5 states. [2018-11-18 11:45:20,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:20,061 INFO L93 Difference]: Finished difference Result 1749 states and 2745 transitions. [2018-11-18 11:45:20,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:45:20,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2018-11-18 11:45:20,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:20,065 INFO L225 Difference]: With dead ends: 1749 [2018-11-18 11:45:20,065 INFO L226 Difference]: Without dead ends: 800 [2018-11-18 11:45:20,067 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-18 11:45:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-18 11:45:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-18 11:45:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1221 transitions. [2018-11-18 11:45:20,080 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1221 transitions. Word has length 163 [2018-11-18 11:45:20,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:20,080 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1221 transitions. [2018-11-18 11:45:20,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:45:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1221 transitions. [2018-11-18 11:45:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 11:45:20,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:20,083 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:20,083 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:20,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:20,084 INFO L82 PathProgramCache]: Analyzing trace with hash 397717782, now seen corresponding path program 1 times [2018-11-18 11:45:20,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:20,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:20,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:20,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:20,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:20,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:45:20,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:45:20,214 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-18 11:45:20,216 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [759], [761], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:45:20,252 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:45:20,252 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:45:20,863 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:45:20,864 INFO L272 AbstractInterpreter]: Visited 140 different actions 274 times. Merged at 5 different actions 5 times. Never widened. Performed 3019 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3019 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 11:45:20,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:20,909 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:45:21,261 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 82.89% of their original sizes. [2018-11-18 11:45:21,261 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:45:21,995 INFO L415 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-11-18 11:45:21,995 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:45:21,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:45:21,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:45:21,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:45:21,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:45:21,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:45:21,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:45:21,997 INFO L87 Difference]: Start difference. First operand 800 states and 1221 transitions. Second operand 10 states. [2018-11-18 11:45:27,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:27,864 INFO L93 Difference]: Finished difference Result 2259 states and 3460 transitions. [2018-11-18 11:45:27,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 11:45:27,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2018-11-18 11:45:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:27,870 INFO L225 Difference]: With dead ends: 2259 [2018-11-18 11:45:27,870 INFO L226 Difference]: Without dead ends: 1465 [2018-11-18 11:45:27,873 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:45:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2018-11-18 11:45:27,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1458. [2018-11-18 11:45:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2018-11-18 11:45:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1972 transitions. [2018-11-18 11:45:27,905 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1972 transitions. Word has length 171 [2018-11-18 11:45:27,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:27,906 INFO L480 AbstractCegarLoop]: Abstraction has 1458 states and 1972 transitions. [2018-11-18 11:45:27,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:45:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1972 transitions. [2018-11-18 11:45:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 11:45:27,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:27,912 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:27,912 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:27,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:27,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1151129125, now seen corresponding path program 1 times [2018-11-18 11:45:27,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:45:27,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:27,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:27,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:27,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:45:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 97 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:45:28,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:45:28,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:45:28,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 11:45:28,129 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [759], [761], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:45:28,134 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:45:28,134 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:45:28,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:45:28,532 INFO L272 AbstractInterpreter]: Visited 144 different actions 429 times. Merged at 8 different actions 25 times. Never widened. Performed 4944 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4944 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 11:45:28,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:28,574 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:45:28,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:45:28,574 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/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 [2018-11-18 11:45:28,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:28,586 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:45:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:28,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:45:28,912 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:45:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 97 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:45:29,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:45:29,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:45:29,051 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:45:29,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:45:29,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:45:29,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:45:29,052 INFO L87 Difference]: Start difference. First operand 1458 states and 1972 transitions. Second operand 9 states. [2018-11-18 11:45:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:31,423 INFO L93 Difference]: Finished difference Result 5311 states and 7567 transitions. [2018-11-18 11:45:31,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:45:31,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-11-18 11:45:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:31,424 INFO L225 Difference]: With dead ends: 5311 [2018-11-18 11:45:31,424 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:45:31,432 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 11:45:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:45:31,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:45:31,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:45:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:45:31,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2018-11-18 11:45:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:31,433 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:45:31,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:45:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:45:31,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:45:31,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:45:31,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:45:31,647 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2018-11-18 11:45:32,129 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 87 [2018-11-18 11:45:32,280 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:45:32,280 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-18 11:45:32,280 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:45:32,280 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,280 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,280 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 11:45:32,281 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 11:45:32,282 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,283 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 11:45:32,284 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 11:45:32,285 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 11:45:32,286 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,287 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 11:45:32,288 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 11:45:32,289 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 11:45:32,290 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,291 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= 1 ~a11~0)) (.cse8 (= |old(~a25~0)| ~a25~0)) (.cse16 (= 1 |old(~a11~0)|)) (.cse12 (= 1 |old(~a25~0)|))) (let ((.cse2 (not (= 7 |old(~a28~0)|))) (.cse13 (not (= 0 |old(~a11~0)|))) (.cse14 (= |calculate_output_#in~input| 0)) (.cse3 (not .cse12)) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse7 (= 1 ~a19~0)) (.cse9 (and .cse16 (= |old(~a11~0)| |old(~a19~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse1 (< |old(~a17~0)| 8)) (.cse11 (and .cse15 .cse6 .cse8)) (.cse5 (not .cse16))) (and (or .cse0 .cse1 (<= 8 ~a17~0)) (or .cse0 .cse2 .cse3 .cse4 .cse5 (and (= 7 ~a28~0) .cse6 (= 7 ~a17~0) .cse7 .cse8) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse9 (or (not (= ~a19~0 ~a11~0)) (not .cse7))) (or (and .cse7 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse3 .cse4 .cse10 .cse5) (or .cse0 .cse11 .cse5 .cse12) (or (or .cse0 (not (= 11 |old(~a28~0)|)) .cse3) .cse4 (= ~a28~0 11) .cse13 .cse10 .cse14) (or .cse0 .cse4 (= 0 |old(~a28~0)|) .cse13 (and (not (= ~a28~0 0)) (= ~a19~0 1)) .cse10 .cse14) (or .cse0 .cse2 .cse4 (= ~a28~0 7) .cse13 .cse10 .cse14 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse3 .cse4 .cse10 (and (= 9 ~a28~0) .cse7) (not (= 9 |old(~a28~0)|)) .cse5) (or .cse0 .cse9 (and .cse15 (= ~a11~0 |old(~a11~0)|) .cse8)) (or .cse0 .cse1 .cse11 .cse5)))) [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 11:45:32,292 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 11:45:32,293 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,294 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 11:45:32,295 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 11:45:32,296 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:45:32,296 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 11:45:32,296 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 11:45:32,297 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) (<= 8 ~a17~0)) (and .cse0 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (and (= 7 ~a28~0) (= 7 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse0 (not (= ~a25~0 1))))) [2018-11-18 11:45:32,297 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:45:32,297 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:45:32,297 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) (<= 8 ~a17~0)) (and .cse0 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (and (= 7 ~a28~0) (= 7 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse0 (not (= ~a25~0 1))))) [2018-11-18 11:45:32,297 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 11:45:32,297 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 11:45:32,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:45:32 BoogieIcfgContainer [2018-11-18 11:45:32,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:45:32,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:45:32,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:45:32,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:45:32,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:12" (3/4) ... [2018-11-18 11:45:32,309 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:45:32,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:45:32,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:45:32,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:45:32,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:45:32,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:45:32,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (a17 <= \old(a17) && 8 <= a17)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || (7 == a28 && 7 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25))) || (a17 <= 7 && !(a25 == 1)) [2018-11-18 11:45:32,457 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c9a23ee-3c44-4f8b-8179-b333a79cea64/bin-2019/utaipan/witness.graphml [2018-11-18 11:45:32,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:45:32,458 INFO L168 Benchmark]: Toolchain (without parser) took 22883.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.3 MB). Free memory was 954.3 MB in the beginning and 871.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 422.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 927.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: Boogie Preprocessor took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: RCFGBuilder took 2138.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,459 INFO L168 Benchmark]: TraceAbstraction took 19711.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.6 MB). Free memory was 1.0 GB in the beginning and 890.6 MB in the end (delta: 134.9 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,460 INFO L168 Benchmark]: Witness Printer took 151.72 ms. Allocated memory is still 1.4 GB. Free memory was 890.6 MB in the beginning and 871.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:32,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 649.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 927.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 169.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2138.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19711.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.6 MB). Free memory was 1.0 GB in the beginning and 890.6 MB in the end (delta: 134.9 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. * Witness Printer took 151.72 ms. Allocated memory is still 1.4 GB. Free memory was 890.6 MB in the beginning and 871.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (a17 <= \old(a17) && 8 <= a17)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || (7 == a28 && 7 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25))) || (a17 <= 7 && !(a25 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 19.6s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 13.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 943 SDtfs, 6186 SDslu, 965 SDs, 0 SdLazy, 7306 SolverSat, 1708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 662 GetRequests, 601 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1458occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9974800597118936 AbsIntWeakeningRatio, 0.2 AbsIntAvgWeakeningVarsNumRemoved, 25.894117647058824 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 181 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 109 NumberOfFragments, 491 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2290 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1716 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1548 ConstructedInterpolants, 0 QuantifiedInterpolants, 1209708 SizeOfPredicates, 1 NumberOfNonLiveVariables, 558 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 520/550 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...