./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/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 29670da151301b8436a6c7ddafad57f5257b4a8d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:37:56,703 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:37:56,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:37:56,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:37:56,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:37:56,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:37:56,711 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:37:56,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:37:56,713 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:37:56,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:37:56,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:37:56,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:37:56,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:37:56,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:37:56,715 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:37:56,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:37:56,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:37:56,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:37:56,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:37:56,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:37:56,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:37:56,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:37:56,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:37:56,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:37:56,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:37:56,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:37:56,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:37:56,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:37:56,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:37:56,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:37:56,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:37:56,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:37:56,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:37:56,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:37:56,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:37:56,724 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:37:56,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:37:56,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:37:56,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:37:56,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:37:56,731 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:37:56,732 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:37:56,732 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:37:56,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:37:56,733 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:37:56,733 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:37:56,734 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:37:56,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:37:56,734 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_ba1e0818-9bb4-4272-a6b6-4b653362398a/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-12-08 22:37:56,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:37:56,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:37:56,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:37:56,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:37:56,761 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:37:56,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-08 22:37:56,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/data/0d5e290c0/c375f1d9789c428697cfa51f44d44d01/FLAG0b0cb5715 [2018-12-08 22:37:57,212 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:37:57,212 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-08 22:37:57,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/data/0d5e290c0/c375f1d9789c428697cfa51f44d44d01/FLAG0b0cb5715 [2018-12-08 22:37:57,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/data/0d5e290c0/c375f1d9789c428697cfa51f44d44d01 [2018-12-08 22:37:57,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:37:57,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:37:57,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:37:57,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:37:57,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:37:57,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57, skipping insertion in model container [2018-12-08 22:37:57,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:37:57,265 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:37:57,440 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:37:57,443 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:37:57,490 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:37:57,545 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:37:57,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57 WrapperNode [2018-12-08 22:37:57,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:37:57,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:37:57,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:37:57,546 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:37:57,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:37:57,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:37:57,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:37:57,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:37:57,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... [2018-12-08 22:37:57,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:37:57,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:37:57,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:37:57,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:37:57,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/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 [2018-12-08 22:37:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:37:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:37:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 22:37:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 22:37:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:37:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:37:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:37:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:37:58,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:37:58,168 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 22:37:58,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:37:58 BoogieIcfgContainer [2018-12-08 22:37:58,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:37:58,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:37:58,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:37:58,172 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:37:58,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:37:57" (1/3) ... [2018-12-08 22:37:58,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b209e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:37:58, skipping insertion in model container [2018-12-08 22:37:58,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:37:57" (2/3) ... [2018-12-08 22:37:58,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b209e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:37:58, skipping insertion in model container [2018-12-08 22:37:58,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:37:58" (3/3) ... [2018-12-08 22:37:58,175 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-12-08 22:37:58,183 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:37:58,189 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:37:58,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:37:58,225 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:37:58,226 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:37:58,226 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:37:58,226 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:37:58,226 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:37:58,226 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:37:58,226 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:37:58,226 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:37:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-08 22:37:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 22:37:58,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:37:58,247 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:37:58,248 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:37:58,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:37:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2018-12-08 22:37:58,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:37:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:58,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:37:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:58,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:37:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:37:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:37:58,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:37:58,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:37:58,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:37:58,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:37:58,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:37:58,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:37:58,521 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-08 22:37:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:37:58,953 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-08 22:37:58,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:37:58,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-08 22:37:58,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:37:58,962 INFO L225 Difference]: With dead ends: 547 [2018-12-08 22:37:58,962 INFO L226 Difference]: Without dead ends: 278 [2018-12-08 22:37:58,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:37:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-08 22:37:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-08 22:37:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-08 22:37:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-08 22:37:58,999 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 125 [2018-12-08 22:37:59,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:37:59,000 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-08 22:37:59,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:37:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-08 22:37:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 22:37:59,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:37:59,002 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:37:59,003 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:37:59,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:37:59,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2018-12-08 22:37:59,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:37:59,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:59,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:37:59,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:59,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:37:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:37:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:37:59,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:37:59,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 22:37:59,084 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:37:59,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 22:37:59,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 22:37:59,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 22:37:59,086 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-08 22:37:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:37:59,443 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-08 22:37:59,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:37:59,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-08 22:37:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:37:59,446 INFO L225 Difference]: With dead ends: 840 [2018-12-08 22:37:59,447 INFO L226 Difference]: Without dead ends: 568 [2018-12-08 22:37:59,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:37:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-08 22:37:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-08 22:37:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-08 22:37:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-08 22:37:59,469 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 134 [2018-12-08 22:37:59,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:37:59,469 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-08 22:37:59,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 22:37:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-08 22:37:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 22:37:59,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:37:59,472 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 22:37:59,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:37:59,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:37:59,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2018-12-08 22:37:59,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:37:59,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:59,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:37:59,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:37:59,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:37:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:37:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:37:59,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:37:59,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:37:59,537 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-08 22:37:59,538 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:37:59,563 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:37:59,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:37:59,962 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:37:59,963 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:37:59,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:37:59,971 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:37:59,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:37:59,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/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 [2018-12-08 22:37:59,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:37:59,980 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:00,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:38:00,095 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:38:00,171 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:38:00,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 22:38:00,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:38:00,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:38:00,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:38:00,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:38:00,172 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 3 states. [2018-12-08 22:38:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:00,462 INFO L93 Difference]: Finished difference Result 1521 states and 2173 transitions. [2018-12-08 22:38:00,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:38:00,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-12-08 22:38:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:00,467 INFO L225 Difference]: With dead ends: 1521 [2018-12-08 22:38:00,467 INFO L226 Difference]: Without dead ends: 969 [2018-12-08 22:38:00,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:38:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-08 22:38:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2018-12-08 22:38:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-08 22:38:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1329 transitions. [2018-12-08 22:38:00,490 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1329 transitions. Word has length 145 [2018-12-08 22:38:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:00,491 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1329 transitions. [2018-12-08 22:38:00,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:38:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1329 transitions. [2018-12-08 22:38:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 22:38:00,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:00,493 INFO L402 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] [2018-12-08 22:38:00,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:00,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2018-12-08 22:38:00,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:00,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:00,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:00,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:00,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:38:00,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:00,604 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:00,605 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-08 22:38:00,605 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:00,608 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:00,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:00,706 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 22:38:00,706 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 1667 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1667 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-12-08 22:38:00,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:00,707 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 22:38:00,879 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.57% of their original sizes. [2018-12-08 22:38:00,879 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 22:38:00,901 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-08 22:38:00,901 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 22:38:00,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:38:00,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-08 22:38:00,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:38:00,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:38:00,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:38:00,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:38:00,902 INFO L87 Difference]: Start difference. First operand 969 states and 1329 transitions. Second operand 6 states. [2018-12-08 22:38:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:02,211 INFO L93 Difference]: Finished difference Result 2068 states and 2839 transitions. [2018-12-08 22:38:02,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:38:02,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-12-08 22:38:02,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:02,213 INFO L225 Difference]: With dead ends: 2068 [2018-12-08 22:38:02,213 INFO L226 Difference]: Without dead ends: 1105 [2018-12-08 22:38:02,215 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:38:02,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2018-12-08 22:38:02,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1104. [2018-12-08 22:38:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2018-12-08 22:38:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1474 transitions. [2018-12-08 22:38:02,230 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1474 transitions. Word has length 144 [2018-12-08 22:38:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:02,230 INFO L480 AbstractCegarLoop]: Abstraction has 1104 states and 1474 transitions. [2018-12-08 22:38:02,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:38:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1474 transitions. [2018-12-08 22:38:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 22:38:02,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:02,233 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-08 22:38:02,233 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:02,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:02,233 INFO L82 PathProgramCache]: Analyzing trace with hash -725100967, now seen corresponding path program 1 times [2018-12-08 22:38:02,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:02,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:02,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:02,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:02,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:38:02,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:02,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:02,310 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-08 22:38:02,310 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:02,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:02,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:02,453 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 22:38:02,453 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 4 different actions 4 times. Never widened. Performed 3332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:02,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:02,455 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 22:38:02,589 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.03% of their original sizes. [2018-12-08 22:38:02,589 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 22:38:02,623 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-08 22:38:02,623 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 22:38:02,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:38:02,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 22:38:02,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:38:02,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 22:38:02,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 22:38:02,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:38:02,625 INFO L87 Difference]: Start difference. First operand 1104 states and 1474 transitions. Second operand 10 states. [2018-12-08 22:38:05,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:05,495 INFO L93 Difference]: Finished difference Result 2206 states and 2973 transitions. [2018-12-08 22:38:05,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 22:38:05,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-12-08 22:38:05,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:05,498 INFO L225 Difference]: With dead ends: 2206 [2018-12-08 22:38:05,498 INFO L226 Difference]: Without dead ends: 1243 [2018-12-08 22:38:05,499 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 22:38:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-12-08 22:38:05,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1241. [2018-12-08 22:38:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-12-08 22:38:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1619 transitions. [2018-12-08 22:38:05,515 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1619 transitions. Word has length 152 [2018-12-08 22:38:05,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:05,515 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1619 transitions. [2018-12-08 22:38:05,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 22:38:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1619 transitions. [2018-12-08 22:38:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 22:38:05,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:05,517 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 22:38:05,517 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:05,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:05,518 INFO L82 PathProgramCache]: Analyzing trace with hash 513207895, now seen corresponding path program 1 times [2018-12-08 22:38:05,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:05,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:05,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:05,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:05,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:38:05,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:05,559 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:05,560 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-08 22:38:05,560 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:05,562 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:05,562 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:05,669 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:38:05,669 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3470 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3470 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:05,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:05,671 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:38:05,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:05,671 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:38:05,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:05,679 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:05,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:38:05,755 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:38:05,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:38:05,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-08 22:38:05,814 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:38:05,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:38:05,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:38:05,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-08 22:38:05,814 INFO L87 Difference]: Start difference. First operand 1241 states and 1619 transitions. Second operand 9 states. [2018-12-08 22:38:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:07,279 INFO L93 Difference]: Finished difference Result 4295 states and 6016 transitions. [2018-12-08 22:38:07,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 22:38:07,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-08 22:38:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:07,289 INFO L225 Difference]: With dead ends: 4295 [2018-12-08 22:38:07,289 INFO L226 Difference]: Without dead ends: 3062 [2018-12-08 22:38:07,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2018-12-08 22:38:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2018-12-08 22:38:07,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2345. [2018-12-08 22:38:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2345 states. [2018-12-08 22:38:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2990 transitions. [2018-12-08 22:38:07,350 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2990 transitions. Word has length 155 [2018-12-08 22:38:07,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:07,350 INFO L480 AbstractCegarLoop]: Abstraction has 2345 states and 2990 transitions. [2018-12-08 22:38:07,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:38:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2990 transitions. [2018-12-08 22:38:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 22:38:07,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:07,356 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2018-12-08 22:38:07,356 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:07,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:07,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1757665310, now seen corresponding path program 1 times [2018-12-08 22:38:07,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:07,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:07,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:07,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:07,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:38:07,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:07,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:07,418 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-08 22:38:07,418 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:07,420 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:07,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:07,525 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:38:07,526 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 3 different actions 3 times. Never widened. Performed 3498 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:07,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:07,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:38:07,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:07,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:38:07,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:07,534 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:07,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 22:38:07,588 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 22:38:07,635 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:38:07,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 22:38:07,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:38:07,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:38:07,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:38:07,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:38:07,636 INFO L87 Difference]: Start difference. First operand 2345 states and 2990 transitions. Second operand 3 states. [2018-12-08 22:38:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:07,867 INFO L93 Difference]: Finished difference Result 6314 states and 8337 transitions. [2018-12-08 22:38:07,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:38:07,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-12-08 22:38:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:07,879 INFO L225 Difference]: With dead ends: 6314 [2018-12-08 22:38:07,879 INFO L226 Difference]: Without dead ends: 4247 [2018-12-08 22:38:07,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:38:07,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2018-12-08 22:38:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 3707. [2018-12-08 22:38:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3707 states. [2018-12-08 22:38:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 4770 transitions. [2018-12-08 22:38:07,928 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 4770 transitions. Word has length 164 [2018-12-08 22:38:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:07,928 INFO L480 AbstractCegarLoop]: Abstraction has 3707 states and 4770 transitions. [2018-12-08 22:38:07,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:38:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4770 transitions. [2018-12-08 22:38:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 22:38:07,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:07,933 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-12-08 22:38:07,933 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:07,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:07,933 INFO L82 PathProgramCache]: Analyzing trace with hash -720187387, now seen corresponding path program 1 times [2018-12-08 22:38:07,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:07,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:07,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:07,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:07,934 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 22:38:08,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:08,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:08,008 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-12-08 22:38:08,008 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:08,009 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:08,009 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:08,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:38:08,115 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3450 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3450 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:08,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:08,116 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:38:08,116 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:08,116 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:38:08,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:08,122 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:08,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 22:38:08,196 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 22:38:08,285 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:38:08,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 22:38:08,286 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:38:08,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:38:08,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:38:08,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:38:08,286 INFO L87 Difference]: Start difference. First operand 3707 states and 4770 transitions. Second operand 9 states. [2018-12-08 22:38:09,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:09,201 INFO L93 Difference]: Finished difference Result 8308 states and 10980 transitions. [2018-12-08 22:38:09,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 22:38:09,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-12-08 22:38:09,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:09,214 INFO L225 Difference]: With dead ends: 8308 [2018-12-08 22:38:09,214 INFO L226 Difference]: Without dead ends: 4879 [2018-12-08 22:38:09,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2018-12-08 22:38:09,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2018-12-08 22:38:09,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 3995. [2018-12-08 22:38:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3995 states. [2018-12-08 22:38:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 4915 transitions. [2018-12-08 22:38:09,293 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 4915 transitions. Word has length 189 [2018-12-08 22:38:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:09,293 INFO L480 AbstractCegarLoop]: Abstraction has 3995 states and 4915 transitions. [2018-12-08 22:38:09,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:38:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 4915 transitions. [2018-12-08 22:38:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 22:38:09,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:09,298 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-08 22:38:09,298 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:09,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:09,298 INFO L82 PathProgramCache]: Analyzing trace with hash -186171883, now seen corresponding path program 1 times [2018-12-08 22:38:09,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:09,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:09,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:09,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:09,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:38:09,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:09,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:09,365 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-12-08 22:38:09,366 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:09,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:09,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:09,518 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:38:09,518 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:09,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:09,522 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:38:09,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:09,522 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:38:09,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:09,528 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:09,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 22:38:09,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:38:09,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:38:09,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 22:38:09,688 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:38:09,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:38:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:38:09,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:38:09,689 INFO L87 Difference]: Start difference. First operand 3995 states and 4915 transitions. Second operand 9 states. [2018-12-08 22:38:10,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:10,892 INFO L93 Difference]: Finished difference Result 7425 states and 9317 transitions. [2018-12-08 22:38:10,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 22:38:10,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2018-12-08 22:38:10,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:10,898 INFO L225 Difference]: With dead ends: 7425 [2018-12-08 22:38:10,898 INFO L226 Difference]: Without dead ends: 3708 [2018-12-08 22:38:10,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2018-12-08 22:38:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2018-12-08 22:38:10,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3217. [2018-12-08 22:38:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3217 states. [2018-12-08 22:38:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 3727 transitions. [2018-12-08 22:38:10,940 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 3727 transitions. Word has length 197 [2018-12-08 22:38:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:10,940 INFO L480 AbstractCegarLoop]: Abstraction has 3217 states and 3727 transitions. [2018-12-08 22:38:10,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:38:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3727 transitions. [2018-12-08 22:38:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 22:38:10,944 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:38:10,944 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 22:38:10,944 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:38:10,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:10,944 INFO L82 PathProgramCache]: Analyzing trace with hash 514817816, now seen corresponding path program 1 times [2018-12-08 22:38:10,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:38:10,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:10,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:10,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:38:10,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:38:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 108 proven. 35 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 22:38:11,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:11,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:38:11,007 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-08 22:38:11,007 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:38:11,008 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:38:11,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:38:11,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:38:11,136 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 3 different actions 3 times. Never widened. Performed 3482 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3482 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:38:11,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:38:11,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:38:11,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:38:11,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:38:11,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:38:11,151 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:38:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:38:11,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:38:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 96 proven. 59 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-08 22:38:11,249 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:38:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-08 22:38:11,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:38:11,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-12-08 22:38:11,350 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:38:11,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 22:38:11,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 22:38:11,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:38:11,351 INFO L87 Difference]: Start difference. First operand 3217 states and 3727 transitions. Second operand 8 states. [2018-12-08 22:38:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:38:11,769 INFO L93 Difference]: Finished difference Result 5340 states and 6190 transitions. [2018-12-08 22:38:11,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 22:38:11,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 227 [2018-12-08 22:38:11,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:38:11,770 INFO L225 Difference]: With dead ends: 5340 [2018-12-08 22:38:11,770 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:38:11,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-08 22:38:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:38:11,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:38:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:38:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:38:11,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-12-08 22:38:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:38:11,775 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:38:11,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 22:38:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:38:11,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:38:11,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:38:11,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:11,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:38:12,797 WARN L180 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 110 [2018-12-08 22:38:12,976 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2018-12-08 22:38:13,181 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2018-12-08 22:38:13,183 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (<= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-08 22:38:13,184 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,185 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-08 22:38:13,186 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-08 22:38:13,187 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-08 22:38:13,188 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-08 22:38:13,189 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,190 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-08 22:38:13,191 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,192 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-08 22:38:13,193 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (not (= ~a16~0 6))) (.cse6 (= 6 |old(~a16~0)|)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse3 (< 0 |old(~a17~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse2 (< 13 |old(~a8~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= |old(~a8~0)| ~a8~0)) (.cse13 (<= |old(~a16~0)| ~a16~0)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (<= ~a17~0 0)) (.cse19 (= 13 |old(~a8~0)|)) (.cse17 (and .cse11 .cse12 .cse13 .cse15 .cse16)) (.cse9 (and (or .cse4 (or .cse6 .cse10) .cse3) (or .cse4 .cse2))) (.cse23 (not (= 0 |old(~a7~0)|))) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse24 (not (= 15 |old(~a8~0)|))) (.cse25 (not (= 5 |old(~a16~0)|))) (.cse26 (not (= 8 ~a12~0))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse21 (= ~a17~0 1)) (.cse28 (= 1 ~a21~0)) (.cse22 (= ~a16~0 5)) (.cse27 (not (= 1 |old(~a17~0)|))) (.cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse5 (< 0 |old(~a7~0)|)) (.cse18 (< |old(~a16~0)| 6)) (.cse8 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3 .cse1) (or .cse6 .cse4 .cse7 .cse5 .cse8) (or (or .cse6 .cse4 .cse0 (< 14 |old(~a8~0)|)) .cse7 .cse5) (or .cse9 .cse10 (and (or (and .cse11 .cse12 .cse13 .cse14 .cse1) (and (<= ~a8~0 13) .cse11 .cse12 .cse13)) .cse15 .cse16)) (or .cse4 .cse0 .cse5 .cse17 .cse18) (or .cse4 .cse1 .cse5 (or .cse19 .cse3 .cse8)) (or (and .cse11 .cse12 .cse13 .cse1 .cse15 .cse16) .cse5 (or .cse4 .cse19 .cse3 .cse18)) (or .cse20 (and .cse21 .cse22) (or .cse23 .cse4 .cse24 (not (= 0 |old(~a20~0)|)) .cse25 .cse26 .cse27)) (or .cse0 .cse2 .cse17) (or .cse6 .cse4 .cse0 (and .cse11 .cse12 .cse13 .cse14 .cse28 .cse15) .cse5 .cse3) (or (and (and (and .cse11 .cse12 .cse13) .cse15) .cse16) .cse9 .cse5) (or .cse6 (= |old(~a7~0)| 1) .cse2 (and .cse11 .cse12 .cse14)) (or .cse23 .cse4 .cse0 .cse24 .cse25 .cse26 .cse20 (and .cse21 .cse11 .cse12 .cse28 .cse15 .cse22) .cse27) (or .cse7 (or .cse6 .cse2 .cse8)) (or .cse4 .cse5 .cse18 (and .cse11 .cse12 .cse15 (<= 6 ~a16~0) .cse16) .cse8)))) [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-08 22:38:13,194 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,195 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-08 22:38:13,196 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-08 22:38:13,197 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-08 22:38:13,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:38:13,198 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-08 22:38:13,198 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:38:13,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:38:13,198 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-08 22:38:13,198 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-08 22:38:13,198 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (= 1 ~a7~0)) (.cse8 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse3 (= 1 ~a21~0))) (let ((.cse1 (= 1 ~a20~0)) (.cse4 (<= 6 ~a16~0)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse5 (<= ~a7~0 0)) (.cse9 (let ((.cse11 (not (= |old(~a7~0)| 1)))) (or (and .cse10 .cse11 .cse8 .cse3 .cse6) (and .cse0 .cse11 .cse3)))) (.cse7 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) (<= ~a8~0 |old(~a8~0)|) .cse2 .cse3 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse3 .cse4 .cse5) (not (= 5 |old(~a16~0)|)) (and .cse1 .cse3 .cse6 .cse5) (and .cse3 .cse7 .cse5) (not (= 0 |old(~a7~0)|)) (and (and .cse1 .cse3 (<= ~a8~0 14)) .cse5) (and .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse2 .cse8) (and .cse9 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9) (and .cse0 .cse8 .cse7)))) [2018-12-08 22:38:13,198 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-08 22:38:13,198 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-08 22:38:13,199 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= 1 ~a7~0)) (.cse8 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse1 (= 1 ~a21~0))) (let ((.cse3 (= 1 ~a20~0)) (.cse4 (<= 6 ~a16~0)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse5 (<= ~a7~0 0)) (.cse9 (let ((.cse11 (not (= |old(~a7~0)| 1)))) (or (and .cse10 .cse11 .cse8 .cse1 .cse6) (and .cse2 .cse11 .cse1)))) (.cse7 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a17~0 1) (<= ~a8~0 |old(~a8~0)|) .cse0 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (and .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4 .cse5) (not (= 5 |old(~a16~0)|)) (and .cse3 .cse1 .cse6 .cse5) (and .cse1 .cse7 .cse5) (not (= 0 |old(~a7~0)|)) (and (and .cse3 .cse1 (<= ~a8~0 14)) .cse5) (and .cse1 .cse6 .cse4 .cse5) (and .cse2 .cse0 .cse8) (and .cse9 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9) (and .cse2 .cse8 .cse7)))) [2018-12-08 22:38:13,199 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-08 22:38:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:38:13 BoogieIcfgContainer [2018-12-08 22:38:13,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:38:13,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:38:13,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:38:13,209 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:38:13,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:37:58" (3/4) ... [2018-12-08 22:38:13,213 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:38:13,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:38:13,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 22:38:13,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:38:13,225 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 22:38:13,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 22:38:13,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || (a8 <= 13 && 1 == a20)) || !(8 == a12)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a21 && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((1 == a21 && a17 <= 0) && 6 <= a16) && a7 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)) && a7 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (1 == a7 && (((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0) [2018-12-08 22:38:13,305 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba1e0818-9bb4-4272-a6b6-4b653362398a/bin-2019/utaipan/witness.graphml [2018-12-08 22:38:13,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:38:13,306 INFO L168 Benchmark]: Toolchain (without parser) took 16074.54 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 789.1 MB). Free memory was 942.7 MB in the beginning and 1.6 GB in the end (delta: -704.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,306 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:38:13,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,307 INFO L168 Benchmark]: Boogie Preprocessor took 40.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,307 INFO L168 Benchmark]: RCFGBuilder took 560.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,307 INFO L168 Benchmark]: TraceAbstraction took 15039.07 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 679.5 MB). Free memory was 990.6 MB in the beginning and 1.7 GB in the end (delta: -674.2 MB). Peak memory consumption was 879.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,308 INFO L168 Benchmark]: Witness Printer took 95.90 ms. Allocated memory is still 1.8 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:38:13,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 560.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15039.07 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 679.5 MB). Free memory was 990.6 MB in the beginning and 1.7 GB in the end (delta: -674.2 MB). Peak memory consumption was 879.2 MB. Max. memory is 11.5 GB. * Witness Printer took 95.90 ms. Allocated memory is still 1.8 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || (a8 <= 13 && 1 == a20)) || !(8 == a12)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a21 && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((1 == a21 && a17 <= 0) && 6 <= a16) && a7 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)) && a7 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (1 == a7 && (((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 772 SDtfs, 6241 SDslu, 653 SDs, 0 SdLazy, 10250 SolverSat, 1625 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2607 GetRequests, 2465 SyntacticMatches, 13 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3995occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9979094833120141 AbsIntWeakeningRatio, 0.21768707482993196 AbsIntAvgWeakeningVarsNumRemoved, 30.04421768707483 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 196 NumberOfFragments, 1082 HoareAnnotationTreeSize, 144 FomulaSimplifications, 35455 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5815 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2709 NumberOfCodeBlocks, 2709 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3764 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336434 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3232 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1620/1821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...