./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/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 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:56:07,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:56:07,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:56:07,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:56:07,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:56:07,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:56:07,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:56:07,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:56:07,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:56:07,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:56:07,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:56:07,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:56:07,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:56:07,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:56:07,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:56:07,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:56:07,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:56:07,799 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:56:07,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:56:07,801 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:56:07,802 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:56:07,803 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:56:07,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:56:07,805 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:56:07,805 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:56:07,806 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:56:07,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:56:07,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:56:07,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:56:07,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:56:07,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:56:07,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:56:07,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:56:07,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:56:07,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:56:07,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:56:07,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:56:07,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:56:07,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:56:07,824 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:56:07,824 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:56:07,825 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:56:07,825 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:56:07,825 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:56:07,825 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:56:07,825 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:56:07,825 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:56:07,826 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:56:07,826 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:56:07,826 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:56:07,826 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:56:07,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:56:07,828 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:56:07,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:56:07,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:56:07,828 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:56:07,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:56:07,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:56:07,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:56:07,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:56:07,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:56:07,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:56:07,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:56:07,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:56:07,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:56:07,830 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:56:07,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:56:07,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:56:07,830 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:56:07,830 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_0753987e-adea-4f49-be5f-b416fda30b10/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 -> 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 [2018-11-18 08:56:07,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:56:07,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:56:07,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:56:07,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:56:07,876 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:56:07,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-18 08:56:07,933 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/data/ac9b1a6af/b17c84a9fd3c4101a218cf6e8c719543/FLAG44b0a247d [2018-11-18 08:56:08,349 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:56:08,349 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-18 08:56:08,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/data/ac9b1a6af/b17c84a9fd3c4101a218cf6e8c719543/FLAG44b0a247d [2018-11-18 08:56:08,374 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/data/ac9b1a6af/b17c84a9fd3c4101a218cf6e8c719543 [2018-11-18 08:56:08,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:56:08,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:56:08,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:56:08,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:56:08,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:56:08,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ec56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08, skipping insertion in model container [2018-11-18 08:56:08,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:56:08,435 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:56:08,682 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:56:08,685 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:56:08,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:56:08,772 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:56:08,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08 WrapperNode [2018-11-18 08:56:08,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:56:08,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:56:08,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:56:08,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:56:08,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:56:08,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:56:08,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:56:08,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:56:08,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... [2018-11-18 08:56:08,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:56:08,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:56:08,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:56:08,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:56:08,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:56:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:56:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:56:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:56:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 08:56:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 08:56:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:56:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:56:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:56:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:56:09,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:56:09,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:09 BoogieIcfgContainer [2018-11-18 08:56:09,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:56:09,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:56:09,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:56:09,819 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:56:09,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:56:08" (1/3) ... [2018-11-18 08:56:09,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a08f045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:56:09, skipping insertion in model container [2018-11-18 08:56:09,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:08" (2/3) ... [2018-11-18 08:56:09,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a08f045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:56:09, skipping insertion in model container [2018-11-18 08:56:09,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:09" (3/3) ... [2018-11-18 08:56:09,822 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label30_true-unreach-call_false-termination.c [2018-11-18 08:56:09,829 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:56:09,836 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:56:09,847 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:56:09,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:56:09,875 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:56:09,875 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:56:09,875 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:56:09,875 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:56:09,875 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:56:09,875 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:56:09,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:56:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 08:56:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 08:56:09,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:09,908 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:09,911 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:09,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:09,915 INFO L82 PathProgramCache]: Analyzing trace with hash -564012609, now seen corresponding path program 1 times [2018-11-18 08:56:09,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:09,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:09,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:09,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:09,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:10,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:10,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:56:10,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:10,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:56:10,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:56:10,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:56:10,265 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 08:56:10,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:10,998 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 08:56:10,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:56:10,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-11-18 08:56:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:11,013 INFO L225 Difference]: With dead ends: 618 [2018-11-18 08:56:11,013 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 08:56:11,018 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:56:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 08:56:11,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 08:56:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 08:56:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 08:56:11,074 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 135 [2018-11-18 08:56:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:11,075 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 08:56:11,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:56:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 08:56:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 08:56:11,079 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:11,080 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:11,080 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:11,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:11,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1268148278, now seen corresponding path program 1 times [2018-11-18 08:56:11,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:11,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:11,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:11,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:11,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:11,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:11,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:56:11,222 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:11,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:11,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:11,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:11,225 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 08:56:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:12,021 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-11-18 08:56:12,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:56:12,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 08:56:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:12,026 INFO L225 Difference]: With dead ends: 1231 [2018-11-18 08:56:12,027 INFO L226 Difference]: Without dead ends: 858 [2018-11-18 08:56:12,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:56:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-18 08:56:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-11-18 08:56:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-18 08:56:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-11-18 08:56:12,069 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 151 [2018-11-18 08:56:12,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:12,069 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-11-18 08:56:12,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-11-18 08:56:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 08:56:12,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:12,074 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:12,074 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:12,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:12,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1898018613, now seen corresponding path program 1 times [2018-11-18 08:56:12,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:12,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:12,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:12,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:12,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:12,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:12,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:56:12,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:12,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:12,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:12,181 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-11-18 08:56:13,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:13,082 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-11-18 08:56:13,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:56:13,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-18 08:56:13,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:13,094 INFO L225 Difference]: With dead ends: 2553 [2018-11-18 08:56:13,094 INFO L226 Difference]: Without dead ends: 1738 [2018-11-18 08:56:13,099 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:56:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-11-18 08:56:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-11-18 08:56:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-18 08:56:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-11-18 08:56:13,155 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 158 [2018-11-18 08:56:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:13,156 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-11-18 08:56:13,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-11-18 08:56:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 08:56:13,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:13,162 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:13,163 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:13,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash -622646755, now seen corresponding path program 1 times [2018-11-18 08:56:13,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:13,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:13,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:13,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:13,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:56:13,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:13,307 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:13,308 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 08:56:13,310 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:13,356 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:13,357 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:13,780 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:56:13,782 INFO L272 AbstractInterpreter]: Visited 136 different actions 136 times. Never merged. Never widened. Performed 1486 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1486 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 08:56:13,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:13,791 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:56:14,076 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 81.26% of their original sizes. [2018-11-18 08:56:14,076 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:56:14,119 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 08:56:14,120 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:56:14,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:14,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 08:56:14,120 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:14,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:14,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:14,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:14,121 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 6 states. [2018-11-18 08:56:16,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:16,863 INFO L93 Difference]: Finished difference Result 3502 states and 5277 transitions. [2018-11-18 08:56:16,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:56:16,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-11-18 08:56:16,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:16,868 INFO L225 Difference]: With dead ends: 3502 [2018-11-18 08:56:16,869 INFO L226 Difference]: Without dead ends: 1828 [2018-11-18 08:56:16,871 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:56:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2018-11-18 08:56:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1825. [2018-11-18 08:56:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-11-18 08:56:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-11-18 08:56:16,906 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 160 [2018-11-18 08:56:16,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:16,906 INFO L480 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-11-18 08:56:16,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:16,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-11-18 08:56:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 08:56:16,910 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:16,911 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:16,911 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:16,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash 9901054, now seen corresponding path program 1 times [2018-11-18 08:56:16,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:16,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:16,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:56:17,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:17,034 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:17,034 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-18 08:56:17,035 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:17,038 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:17,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:17,469 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:56:17,469 INFO L272 AbstractInterpreter]: Visited 140 different actions 413 times. Merged at 7 different actions 15 times. Never widened. Performed 4598 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4598 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 08:56:17,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:17,473 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:56:17,681 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 84.74% of their original sizes. [2018-11-18 08:56:17,681 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:56:17,765 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-18 08:56:17,766 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:56:17,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:17,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 08:56:17,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:17,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:56:17,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:56:17,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:56:17,768 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 9 states. [2018-11-18 08:56:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:20,618 INFO L93 Difference]: Finished difference Result 4527 states and 6707 transitions. [2018-11-18 08:56:20,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 08:56:20,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-11-18 08:56:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:20,624 INFO L225 Difference]: With dead ends: 4527 [2018-11-18 08:56:20,625 INFO L226 Difference]: Without dead ends: 2708 [2018-11-18 08:56:20,628 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:56:20,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2018-11-18 08:56:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2631. [2018-11-18 08:56:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-11-18 08:56:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3698 transitions. [2018-11-18 08:56:20,669 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3698 transitions. Word has length 170 [2018-11-18 08:56:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:20,669 INFO L480 AbstractCegarLoop]: Abstraction has 2631 states and 3698 transitions. [2018-11-18 08:56:20,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:56:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3698 transitions. [2018-11-18 08:56:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 08:56:20,675 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:20,675 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:20,676 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:20,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:20,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1896536654, now seen corresponding path program 1 times [2018-11-18 08:56:20,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:20,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:20,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:20,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:20,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 08:56:20,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:20,786 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:20,786 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 08:56:20,787 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:20,790 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:20,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:21,001 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:56:21,002 INFO L272 AbstractInterpreter]: Visited 140 different actions 414 times. Merged at 7 different actions 18 times. Never widened. Performed 4855 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4855 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 08:56:21,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:21,015 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:56:21,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:21,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:56:21,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:21,032 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:56:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:21,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:56:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:56:21,164 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:56:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:56:21,314 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:21,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 08:56:21,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:21,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:56:21,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:56:21,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:56:21,315 INFO L87 Difference]: Start difference. First operand 2631 states and 3698 transitions. Second operand 3 states. [2018-11-18 08:56:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:21,853 INFO L93 Difference]: Finished difference Result 7343 states and 10759 transitions. [2018-11-18 08:56:21,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:56:21,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-11-18 08:56:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:21,868 INFO L225 Difference]: With dead ends: 7343 [2018-11-18 08:56:21,869 INFO L226 Difference]: Without dead ends: 4718 [2018-11-18 08:56:21,876 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:56:21,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2018-11-18 08:56:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4714. [2018-11-18 08:56:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4714 states. [2018-11-18 08:56:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4714 states to 4714 states and 6322 transitions. [2018-11-18 08:56:21,954 INFO L78 Accepts]: Start accepts. Automaton has 4714 states and 6322 transitions. Word has length 172 [2018-11-18 08:56:21,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:21,955 INFO L480 AbstractCegarLoop]: Abstraction has 4714 states and 6322 transitions. [2018-11-18 08:56:21,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:56:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4714 states and 6322 transitions. [2018-11-18 08:56:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 08:56:21,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:21,963 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:21,963 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:21,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:21,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1363408600, now seen corresponding path program 1 times [2018-11-18 08:56:21,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:21,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:21,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:21,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:21,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:22,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:22,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:22,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-18 08:56:22,045 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:22,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:22,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:22,224 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:56:22,224 INFO L272 AbstractInterpreter]: Visited 139 different actions 413 times. Merged at 7 different actions 18 times. Never widened. Performed 4696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 08:56:22,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:22,231 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:56:22,363 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 84.94% of their original sizes. [2018-11-18 08:56:22,363 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:56:22,411 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-11-18 08:56:22,411 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:56:22,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:22,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 08:56:22,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:22,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:56:22,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:56:22,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:56:22,413 INFO L87 Difference]: Start difference. First operand 4714 states and 6322 transitions. Second operand 10 states. [2018-11-18 08:56:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:26,227 INFO L93 Difference]: Finished difference Result 13244 states and 18314 transitions. [2018-11-18 08:56:26,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 08:56:26,227 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-11-18 08:56:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:26,251 INFO L225 Difference]: With dead ends: 13244 [2018-11-18 08:56:26,251 INFO L226 Difference]: Without dead ends: 7651 [2018-11-18 08:56:26,270 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-18 08:56:26,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7651 states. [2018-11-18 08:56:26,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7651 to 7499. [2018-11-18 08:56:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7499 states. [2018-11-18 08:56:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 9039 transitions. [2018-11-18 08:56:26,416 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 9039 transitions. Word has length 181 [2018-11-18 08:56:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:26,417 INFO L480 AbstractCegarLoop]: Abstraction has 7499 states and 9039 transitions. [2018-11-18 08:56:26,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:56:26,417 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 9039 transitions. [2018-11-18 08:56:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 08:56:26,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:26,428 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 08:56:26,429 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:26,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:26,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1052905866, now seen corresponding path program 1 times [2018-11-18 08:56:26,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:26,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:26,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:26,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:26,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:56:26,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:26,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:26,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-18 08:56:26,506 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:26,509 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:26,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:26,949 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:56:26,949 INFO L272 AbstractInterpreter]: Visited 141 different actions 561 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 08:56:26,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:26,951 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:56:26,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:26,951 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:56:26,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:26,957 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:56:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:27,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:56:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:56:27,072 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:56:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 08:56:27,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:56:27,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-18 08:56:27,154 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:56:27,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:56:27,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:56:27,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:56:27,155 INFO L87 Difference]: Start difference. First operand 7499 states and 9039 transitions. Second operand 9 states. [2018-11-18 08:56:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:28,890 INFO L93 Difference]: Finished difference Result 18110 states and 22357 transitions. [2018-11-18 08:56:28,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 08:56:28,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-11-18 08:56:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:28,918 INFO L225 Difference]: With dead ends: 18110 [2018-11-18 08:56:28,918 INFO L226 Difference]: Without dead ends: 9811 [2018-11-18 08:56:28,937 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=255, Invalid=935, Unknown=0, NotChecked=0, Total=1190 [2018-11-18 08:56:28,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9811 states. [2018-11-18 08:56:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9811 to 9066. [2018-11-18 08:56:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9066 states. [2018-11-18 08:56:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 10521 transitions. [2018-11-18 08:56:29,105 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 10521 transitions. Word has length 209 [2018-11-18 08:56:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:29,105 INFO L480 AbstractCegarLoop]: Abstraction has 9066 states and 10521 transitions. [2018-11-18 08:56:29,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:56:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 10521 transitions. [2018-11-18 08:56:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 08:56:29,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:29,122 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:29,122 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:29,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:29,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1265762946, now seen corresponding path program 1 times [2018-11-18 08:56:29,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:29,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:29,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:29,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:29,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 166 proven. 35 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 08:56:29,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:29,233 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:29,234 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-11-18 08:56:29,234 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:29,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:29,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:29,464 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:56:29,464 INFO L272 AbstractInterpreter]: Visited 144 different actions 426 times. Merged at 9 different actions 22 times. Never widened. Performed 4954 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4954 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 08:56:29,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:29,465 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:56:29,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:29,466 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:56:29,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:29,530 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:56:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:29,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:56:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 08:56:29,636 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:56:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 166 proven. 35 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 08:56:29,703 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:56:29,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 08:56:29,704 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:56:29,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:56:29,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:56:29,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:56:29,705 INFO L87 Difference]: Start difference. First operand 9066 states and 10521 transitions. Second operand 9 states. [2018-11-18 08:56:31,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:31,026 INFO L93 Difference]: Finished difference Result 19195 states and 22404 transitions. [2018-11-18 08:56:31,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 08:56:31,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 267 [2018-11-18 08:56:31,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:31,032 INFO L225 Difference]: With dead ends: 19195 [2018-11-18 08:56:31,033 INFO L226 Difference]: Without dead ends: 3545 [2018-11-18 08:56:31,044 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 542 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:56:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2018-11-18 08:56:31,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 3503. [2018-11-18 08:56:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2018-11-18 08:56:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 3762 transitions. [2018-11-18 08:56:31,076 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 3762 transitions. Word has length 267 [2018-11-18 08:56:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:31,076 INFO L480 AbstractCegarLoop]: Abstraction has 3503 states and 3762 transitions. [2018-11-18 08:56:31,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:56:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 3762 transitions. [2018-11-18 08:56:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 08:56:31,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:31,081 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:31,081 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:31,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash 947330578, now seen corresponding path program 1 times [2018-11-18 08:56:31,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:31,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:31,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:31,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:31,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 181 proven. 158 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 08:56:31,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:31,248 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:31,248 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 322 with the following transitions: [2018-11-18 08:56:31,248 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 08:56:31,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:31,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:31,485 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:56:31,485 INFO L272 AbstractInterpreter]: Visited 143 different actions 568 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6529 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6529 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 08:56:31,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:31,486 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:56:31,810 INFO L227 lantSequenceWeakener]: Weakened 316 states. On average, predicates are now at 87.09% of their original sizes. [2018-11-18 08:56:31,810 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:56:31,856 INFO L415 sIntCurrentIteration]: We unified 320 AI predicates to 320 [2018-11-18 08:56:31,856 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:56:31,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:31,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-18 08:56:31,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:31,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 08:56:31,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 08:56:31,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 08:56:31,857 INFO L87 Difference]: Start difference. First operand 3503 states and 3762 transitions. Second operand 11 states. [2018-11-18 08:56:33,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:33,644 INFO L93 Difference]: Finished difference Result 3832 states and 4084 transitions. [2018-11-18 08:56:33,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 08:56:33,644 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 321 [2018-11-18 08:56:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:33,644 INFO L225 Difference]: With dead ends: 3832 [2018-11-18 08:56:33,645 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:56:33,649 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 331 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2018-11-18 08:56:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:56:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:56:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:56:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:56:33,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 321 [2018-11-18 08:56:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:33,649 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:56:33,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 08:56:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:56:33,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:56:33,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:56:33,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:56:33,984 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 112 [2018-11-18 08:56:35,510 WARN L180 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 95 [2018-11-18 08:56:35,785 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-11-18 08:56:36,064 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 08:56:36,066 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 08:56:36,067 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 08:56:36,068 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,069 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,070 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 08:56:36,071 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,072 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 08:56:36,073 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 08:56:36,074 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,075 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 08:56:36,076 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse24 (= ~a28~0 7))) (let ((.cse29 (= 1 |old(~a11~0)|)) (.cse25 (= 1 |old(~a25~0)|)) (.cse23 (not (= 7 |old(~a28~0)|))) (.cse17 (= 0 |old(~a17~0)|)) (.cse12 (not (= 1 ~a21~0))) (.cse18 (not (= 1 |old(~a19~0)|))) (.cse0 (not (= 8 |old(~a17~0)|))) (.cse4 (and .cse24 (= ~a21~0 1))) (.cse5 (= ~a28~0 10)) (.cse28 (= ~a17~0 8))) (let ((.cse21 (or .cse4 (and .cse5 .cse28))) (.cse2 (and (or .cse12 .cse23 .cse17 .cse18) (or .cse12 (not (= 10 |old(~a28~0)|)) .cse18 .cse0))) (.cse7 (<= ~a17~0 |old(~a17~0)|)) (.cse16 (not (= ~a17~0 0))) (.cse6 (= |old(~a11~0)| |old(~a19~0)|)) (.cse20 (< 7 |old(~a17~0)|)) (.cse22 (not .cse25)) (.cse10 (= 1 ~a11~0)) (.cse15 (= ~a19~0 1)) (.cse3 (not .cse29)) (.cse26 (= 0 |old(~a28~0)|)) (.cse13 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= |old(~a19~0)| ~a19~0)) (.cse9 (<= ~a28~0 |old(~a28~0)|)) (.cse27 (not (= ~a28~0 0))) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse14 (<= 10 ~a28~0)) (.cse19 (< |old(~a28~0)| 10)) (.cse1 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 (or .cse4 .cse5)) (or (= 7 |old(~a17~0)|) .cse6 .cse3 (and .cse7 .cse8 .cse9 (not (= ~a17~0 7)) .cse10 .cse11)) (or .cse12 (and .cse7 .cse13 .cse14 .cse9 .cse15 .cse16 .cse11) .cse17 .cse18 .cse19 .cse6 .cse1 .cse20) (or .cse21 .cse1 .cse2 .cse20) (or .cse22 (and .cse13 .cse9 .cse15 .cse16 .cse21 .cse11) .cse6 .cse1 .cse2) (or .cse12 .cse23 (not (= 0 |old(~a11~0)|)) .cse1 .cse24 .cse18 .cse0 (not (= 0 |old(~a25~0)|))) (or .cse14 .cse19 .cse6 .cse3) (or (and .cse7 .cse10 .cse15 .cse16 .cse11) .cse1 .cse2 .cse3 .cse20) (or (and .cse7 .cse8 .cse9 .cse13 .cse14 .cse11) .cse19 .cse20 .cse25) (or .cse12 .cse17 .cse18 .cse26 .cse1 (and .cse7 .cse13 .cse9 .cse27 .cse15 .cse16 .cse11) .cse25 .cse20) (or .cse6 .cse3 (and .cse8 (<= ~a17~0 7) .cse9 .cse10 .cse11) .cse20) (or .cse12 .cse22 .cse19 .cse14 .cse0 .cse1) (or .cse12 .cse18 (and .cse9 .cse27 .cse10 .cse28 .cse15 .cse11) .cse26 .cse0 .cse1 .cse3) (or .cse12 .cse29 .cse26 (and .cse13 .cse8 .cse9 .cse27 .cse28 .cse11) .cse0 .cse1) (or .cse12 .cse14 .cse18 .cse19 .cse0 .cse1))))) [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 08:56:36,077 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,078 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 08:56:36,079 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 08:56:36,080 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 08:56:36,081 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:56:36,082 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 08:56:36,082 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:56:36,082 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:56:36,082 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|))) [2018-11-18 08:56:36,082 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 08:56:36,082 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse10 (= ~a28~0 7)) (.cse4 (not (= ~a17~0 0))) (.cse6 (= ~a17~0 8)) (.cse3 (= ~a19~0 1))) (let ((.cse5 (= 1 ~a11~0)) (.cse7 (not (= ~a19~0 ~a11~0))) (.cse1 (not (= ~a28~0 0))) (.cse9 (<= 10 ~a28~0)) (.cse2 (not (= ~a25~0 1))) (.cse0 (<= ~a17~0 7)) (.cse8 (let ((.cse11 (= ~a21~0 1))) (or (and .cse3 .cse10 .cse11 .cse4) (and (= ~a28~0 10) .cse6 .cse3 .cse11))))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse5 .cse7) (and (= 1 ~a25~0) .cse7 .cse8) (and .cse9 .cse6 .cse3) (and .cse0 .cse9 .cse3 .cse7 .cse4) (not (= 0 |old(~a25~0)|)) (and (not (= main_~input~0 0)) (= ~a11~0 |old(~a11~0)|) .cse1 .cse6) (and (= ~a11~0 0) (= ~a25~0 0) .cse6 .cse3 .cse10) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse9 .cse2) (and .cse0 .cse8) (not (= 8 |old(~a17~0)|))))) [2018-11-18 08:56:36,082 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 08:56:36,082 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 08:56:36,083 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse10 (not (= ~a17~0 0))) (.cse4 (= ~a17~0 8)) (.cse5 (= ~a19~0 1))) (let ((.cse2 (let ((.cse11 (= ~a21~0 1))) (or (and .cse5 (= ~a28~0 7) .cse11 .cse10) (and (= ~a28~0 10) .cse4 .cse5 .cse11)))) (.cse8 (not (= ~a28~0 0))) (.cse6 (= 1 ~a11~0)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a19~0 ~a11~0))) (.cse7 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0)) (.cse9 (not (= ~a25~0 1)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= 1 ~a25~0) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse6 .cse1) (and .cse0 .cse7 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse7 .cse8 .cse9 .cse5 .cse10) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse8 .cse4) (and .cse0 .cse8 .cse6 .cse4) (and .cse0 .cse7 .cse3 .cse5 .cse1 .cse10) (not (= 1 |old(~a19~0)|)) (and .cse7 .cse3 .cse9) (not (= 8 |old(~a17~0)|))))) [2018-11-18 08:56:36,083 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 08:56:36,083 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 08:56:36,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:56:36 BoogieIcfgContainer [2018-11-18 08:56:36,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:56:36,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:56:36,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:56:36,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:56:36,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:09" (3/4) ... [2018-11-18 08:56:36,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:56:36,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:56:36,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 08:56:36,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:56:36,125 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:56:36,126 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 08:56:36,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a17 <= 7 && !(a28 == 0)) && !(a25 == 1)) && a19 == 1) && !(a17 == 0))) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11))) || ((1 == a25 && !(a19 == a11)) && ((((a19 == 1 && a28 == 7) && a21 == 1) && !(a17 == 0)) || (((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1)))) || ((10 <= a28 && a17 == 8) && a19 == 1)) || ((((a17 <= 7 && 10 <= a28) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || !(0 == \old(a25))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a25 == 0) && a17 == 8) && a19 == 1) && a28 == 7)) || !(1 == \old(a19))) || ((a17 <= 7 && 10 <= a28) && !(a25 == 1))) || (a17 <= 7 && ((((a19 == 1 && a28 == 7) && a21 == 1) && !(a17 == 0)) || (((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1)))) || !(8 == \old(a17)) [2018-11-18 08:56:36,205 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0753987e-adea-4f49-be5f-b416fda30b10/bin-2019/utaipan/witness.graphml [2018-11-18 08:56:36,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:56:36,205 INFO L168 Benchmark]: Toolchain (without parser) took 27828.03 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 956.4 MB in the beginning and 1.9 GB in the end (delta: -912.0 MB). Peak memory consumption was 470.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,206 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:56:36,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -217.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,206 INFO L168 Benchmark]: Boogie Preprocessor took 59.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,207 INFO L168 Benchmark]: RCFGBuilder took 894.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,207 INFO L168 Benchmark]: TraceAbstraction took 26287.07 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -868.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,207 INFO L168 Benchmark]: Witness Printer took 101.63 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:56:36,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -217.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 894.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26287.07 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -868.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 101.63 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a17 <= 7 && !(a28 == 0)) && !(a25 == 1)) && a19 == 1) && !(a17 == 0))) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11))) || ((1 == a25 && !(a19 == a11)) && ((((a19 == 1 && a28 == 7) && a21 == 1) && !(a17 == 0)) || (((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1)))) || ((10 <= a28 && a17 == 8) && a19 == 1)) || ((((a17 <= 7 && 10 <= a28) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || !(0 == \old(a25))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a25 == 0) && a17 == 8) && a19 == 1) && a28 == 7)) || !(1 == \old(a19))) || ((a17 <= 7 && 10 <= a28) && !(a25 == 1))) || (a17 <= 7 && ((((a19 == 1 && a28 == 7) && a21 == 1) && !(a17 == 0)) || (((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1)))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 26.2s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 17.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1695 SDtfs, 8705 SDslu, 2590 SDs, 0 SdLazy, 13855 SolverSat, 2597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2270 GetRequests, 2126 SyntacticMatches, 8 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9066occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9970897628468722 AbsIntWeakeningRatio, 0.18961352657004832 AbsIntAvgWeakeningVarsNumRemoved, 25.496376811594203 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 221 PreInvPairs, 328 NumberOfFragments, 1109 HoareAnnotationTreeSize, 221 FomulaSimplifications, 11069 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5817 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2572 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336824 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1559 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 1503/1794 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...