./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/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 e1af67db67a88433de1a31e57b46e50dcbb6e7d8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:27:28,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:27:28,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:27:28,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:27:28,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:27:28,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:27:28,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:27:28,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:27:28,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:27:28,799 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:27:28,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:27:28,800 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:27:28,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:27:28,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:27:28,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:27:28,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:27:28,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:27:28,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:27:28,804 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:27:28,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:27:28,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:27:28,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:27:28,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:27:28,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:27:28,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:27:28,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:27:28,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:27:28,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:27:28,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:27:28,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:27:28,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:27:28,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:27:28,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:27:28,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:27:28,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:27:28,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:27:28,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:27:28,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:27:28,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:27:28,819 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:27:28,820 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:27:28,820 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:27:28,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:27:28,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:27:28,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:27:28,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:27:28,822 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:27:28,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:27:28,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:27:28,823 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:27:28,823 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_5eb8a51d-70a9-485a-9650-6bd0786164ba/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 -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2018-12-02 17:27:28,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:27:28,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:27:28,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:27:28,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:27:28,850 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:27:28,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-12-02 17:27:28,885 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/data/46fb83938/87bfcbfbca02437f9c8d511a6619fc34/FLAGd68844c5b [2018-12-02 17:27:29,249 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:27:29,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-12-02 17:27:29,256 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/data/46fb83938/87bfcbfbca02437f9c8d511a6619fc34/FLAGd68844c5b [2018-12-02 17:27:29,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/data/46fb83938/87bfcbfbca02437f9c8d511a6619fc34 [2018-12-02 17:27:29,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:27:29,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:27:29,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:27:29,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:27:29,632 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:27:29,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29, skipping insertion in model container [2018-12-02 17:27:29,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:27:29,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:27:29,840 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:27:29,843 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:27:29,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:27:29,942 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:27:29,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29 WrapperNode [2018-12-02 17:27:29,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:27:29,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:27:29,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:27:29,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:27:29,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:27:29,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:27:29,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:27:29,961 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:27:29,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... [2018-12-02 17:27:29,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:27:29,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:27:29,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:27:29,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:27:29,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:27:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:27:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:27:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 17:27:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 17:27:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:27:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:27:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:27:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:27:30,525 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:27:30,525 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 17:27:30,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:30 BoogieIcfgContainer [2018-12-02 17:27:30,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:27:30,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:27:30,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:27:30,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:27:30,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:27:29" (1/3) ... [2018-12-02 17:27:30,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2903fd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:30, skipping insertion in model container [2018-12-02 17:27:30,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:29" (2/3) ... [2018-12-02 17:27:30,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2903fd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:30, skipping insertion in model container [2018-12-02 17:27:30,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:30" (3/3) ... [2018-12-02 17:27:30,531 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label27_true-unreach-call_false-termination.c [2018-12-02 17:27:30,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:27:30,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:27:30,552 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:27:30,572 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:27:30,573 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:27:30,573 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:27:30,573 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:27:30,573 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:27:30,573 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:27:30,573 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:27:30,573 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:27:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 17:27:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 17:27:30,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:30,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:27:30,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:30,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:30,597 INFO L82 PathProgramCache]: Analyzing trace with hash -2139727354, now seen corresponding path program 1 times [2018-12-02 17:27:30,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:30,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:30,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:30,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:30,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:30,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:27:30,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:27:30,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:30,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:27:30,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:27:30,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:27:30,861 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-12-02 17:27:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:31,468 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-12-02 17:27:31,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:27:31,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-02 17:27:31,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:31,477 INFO L225 Difference]: With dead ends: 698 [2018-12-02 17:27:31,477 INFO L226 Difference]: Without dead ends: 413 [2018-12-02 17:27:31,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:27:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-02 17:27:31,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 278. [2018-12-02 17:27:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 17:27:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-02 17:27:31,524 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 94 [2018-12-02 17:27:31,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:31,524 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-02 17:27:31,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:27:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-02 17:27:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 17:27:31,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:31,528 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 17:27:31,528 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:31,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1455606109, now seen corresponding path program 1 times [2018-12-02 17:27:31,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:31,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:31,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:31,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:31,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:31,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:27:31,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:27:31,611 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:31,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:27:31,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:27:31,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:27:31,613 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-02 17:27:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:31,978 INFO L93 Difference]: Finished difference Result 840 states and 1243 transitions. [2018-12-02 17:27:31,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:27:31,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-02 17:27:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:31,981 INFO L225 Difference]: With dead ends: 840 [2018-12-02 17:27:31,981 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 17:27:31,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:27:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 17:27:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-02 17:27:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-02 17:27:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 799 transitions. [2018-12-02 17:27:32,001 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 799 transitions. Word has length 104 [2018-12-02 17:27:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:32,001 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 799 transitions. [2018-12-02 17:27:32,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:27:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 799 transitions. [2018-12-02 17:27:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 17:27:32,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:32,003 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 17:27:32,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:32,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:32,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1089398559, now seen corresponding path program 1 times [2018-12-02 17:27:32,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:32,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:32,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:32,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:27:32,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:27:32,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:32,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:27:32,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:27:32,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:27:32,058 INFO L87 Difference]: Start difference. First operand 556 states and 799 transitions. Second operand 3 states. [2018-12-02 17:27:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:32,326 INFO L93 Difference]: Finished difference Result 1513 states and 2201 transitions. [2018-12-02 17:27:32,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:27:32,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-12-02 17:27:32,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:32,330 INFO L225 Difference]: With dead ends: 1513 [2018-12-02 17:27:32,330 INFO L226 Difference]: Without dead ends: 963 [2018-12-02 17:27:32,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:27:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-12-02 17:27:32,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2018-12-02 17:27:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-12-02 17:27:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1344 transitions. [2018-12-02 17:27:32,348 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1344 transitions. Word has length 105 [2018-12-02 17:27:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:32,348 INFO L480 AbstractCegarLoop]: Abstraction has 963 states and 1344 transitions. [2018-12-02 17:27:32,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:27:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1344 transitions. [2018-12-02 17:27:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:27:32,350 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:32,350 INFO L402 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] [2018-12-02 17:27:32,350 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:32,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:32,350 INFO L82 PathProgramCache]: Analyzing trace with hash -414370937, now seen corresponding path program 1 times [2018-12-02 17:27:32,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:32,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:32,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:32,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:27:32,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:27:32,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:32,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:27:32,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:27:32,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:27:32,415 INFO L87 Difference]: Start difference. First operand 963 states and 1344 transitions. Second operand 6 states. [2018-12-02 17:27:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:32,795 INFO L93 Difference]: Finished difference Result 2502 states and 3606 transitions. [2018-12-02 17:27:32,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:27:32,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-12-02 17:27:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:32,799 INFO L225 Difference]: With dead ends: 2502 [2018-12-02 17:27:32,799 INFO L226 Difference]: Without dead ends: 1545 [2018-12-02 17:27:32,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:27:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2018-12-02 17:27:32,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1527. [2018-12-02 17:27:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-02 17:27:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2111 transitions. [2018-12-02 17:27:32,827 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2111 transitions. Word has length 117 [2018-12-02 17:27:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:32,827 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 2111 transitions. [2018-12-02 17:27:32,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:27:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2111 transitions. [2018-12-02 17:27:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 17:27:32,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:32,830 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:27:32,830 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:32,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:32,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1750271410, now seen corresponding path program 1 times [2018-12-02 17:27:32,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:32,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:32,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:32,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:32,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:32,873 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:32,874 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-12-02 17:27:32,875 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:32,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:32,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:33,262 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:27:33,263 INFO L272 AbstractInterpreter]: Visited 98 different actions 189 times. Merged at 3 different actions 3 times. Never widened. Performed 2779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 17:27:33,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:33,268 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:27:33,454 INFO L227 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 81.46% of their original sizes. [2018-12-02 17:27:33,455 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:27:33,492 INFO L418 sIntCurrentIteration]: We unified 127 AI predicates to 127 [2018-12-02 17:27:33,493 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:27:33,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:33,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 17:27:33,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:33,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:27:33,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:27:33,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:33,494 INFO L87 Difference]: Start difference. First operand 1527 states and 2111 transitions. Second operand 10 states. [2018-12-02 17:27:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:36,807 INFO L93 Difference]: Finished difference Result 3698 states and 5119 transitions. [2018-12-02 17:27:36,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 17:27:36,807 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2018-12-02 17:27:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:36,814 INFO L225 Difference]: With dead ends: 3698 [2018-12-02 17:27:36,814 INFO L226 Difference]: Without dead ends: 2177 [2018-12-02 17:27:36,817 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 17:27:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2018-12-02 17:27:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1525. [2018-12-02 17:27:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-12-02 17:27:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2066 transitions. [2018-12-02 17:27:36,860 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2066 transitions. Word has length 128 [2018-12-02 17:27:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:36,860 INFO L480 AbstractCegarLoop]: Abstraction has 1525 states and 2066 transitions. [2018-12-02 17:27:36,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:27:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2066 transitions. [2018-12-02 17:27:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 17:27:36,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:36,862 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 17:27:36,863 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:36,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:36,863 INFO L82 PathProgramCache]: Analyzing trace with hash 537477384, now seen corresponding path program 1 times [2018-12-02 17:27:36,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:36,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:36,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:36,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:36,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:36,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:36,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:36,952 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 17:27:36,953 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:36,955 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:36,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:37,083 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:27:37,083 INFO L272 AbstractInterpreter]: Visited 98 different actions 190 times. Merged at 4 different actions 4 times. Never widened. Performed 2661 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 17:27:37,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:37,085 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:27:37,207 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.47% of their original sizes. [2018-12-02 17:27:37,207 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:27:37,249 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-02 17:27:37,249 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:27:37,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:37,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 17:27:37,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:37,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:27:37,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:27:37,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:37,250 INFO L87 Difference]: Start difference. First operand 1525 states and 2066 transitions. Second operand 10 states. [2018-12-02 17:27:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:39,308 INFO L93 Difference]: Finished difference Result 3318 states and 4444 transitions. [2018-12-02 17:27:39,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:27:39,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-02 17:27:39,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:39,311 INFO L225 Difference]: With dead ends: 3318 [2018-12-02 17:27:39,311 INFO L226 Difference]: Without dead ends: 1799 [2018-12-02 17:27:39,312 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 17:27:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2018-12-02 17:27:39,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1797. [2018-12-02 17:27:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1797 states. [2018-12-02 17:27:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2363 transitions. [2018-12-02 17:27:39,337 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2363 transitions. Word has length 136 [2018-12-02 17:27:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:39,337 INFO L480 AbstractCegarLoop]: Abstraction has 1797 states and 2363 transitions. [2018-12-02 17:27:39,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:27:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2363 transitions. [2018-12-02 17:27:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 17:27:39,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:39,339 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:27:39,339 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:39,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:39,339 INFO L82 PathProgramCache]: Analyzing trace with hash 937778913, now seen corresponding path program 1 times [2018-12-02 17:27:39,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:39,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:39,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:39,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:39,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:27:39,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:39,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:39,369 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-12-02 17:27:39,370 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:39,372 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:39,372 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:39,510 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:27:39,511 INFO L272 AbstractInterpreter]: Visited 99 different actions 294 times. Merged at 6 different actions 17 times. Never widened. Performed 4274 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 17:27:39,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:39,512 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:27:39,618 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 83.23% of their original sizes. [2018-12-02 17:27:39,618 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:27:39,653 INFO L418 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-12-02 17:27:39,653 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:27:39,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:39,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-02 17:27:39,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:39,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:27:39,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:27:39,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:27:39,654 INFO L87 Difference]: Start difference. First operand 1797 states and 2363 transitions. Second operand 9 states. [2018-12-02 17:27:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:41,771 INFO L93 Difference]: Finished difference Result 3344 states and 4467 transitions. [2018-12-02 17:27:41,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 17:27:41,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2018-12-02 17:27:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:41,774 INFO L225 Difference]: With dead ends: 3344 [2018-12-02 17:27:41,774 INFO L226 Difference]: Without dead ends: 1825 [2018-12-02 17:27:41,775 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 17:27:41,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2018-12-02 17:27:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1807. [2018-12-02 17:27:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2018-12-02 17:27:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2353 transitions. [2018-12-02 17:27:41,797 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2353 transitions. Word has length 147 [2018-12-02 17:27:41,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:41,798 INFO L480 AbstractCegarLoop]: Abstraction has 1807 states and 2353 transitions. [2018-12-02 17:27:41,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:27:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2353 transitions. [2018-12-02 17:27:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 17:27:41,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:41,800 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:27:41,800 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:41,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1020950210, now seen corresponding path program 1 times [2018-12-02 17:27:41,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:41,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:41,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:41,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:41,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 17:27:41,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:41,839 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:41,839 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-12-02 17:27:41,839 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:41,840 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:41,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:42,033 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:27:42,033 INFO L272 AbstractInterpreter]: Visited 101 different actions 401 times. Merged at 8 different actions 30 times. Never widened. Performed 6014 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 17:27:42,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:42,035 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:27:42,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:42,035 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:27:42,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:42,042 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:27:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:42,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:27:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 17:27:42,172 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:27:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 17:27:42,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 17:27:42,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 17:27:42,258 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 17:27:42,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:27:42,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:27:42,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:27:42,258 INFO L87 Difference]: Start difference. First operand 1807 states and 2353 transitions. Second operand 8 states. [2018-12-02 17:27:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:43,901 INFO L93 Difference]: Finished difference Result 5026 states and 6741 transitions. [2018-12-02 17:27:43,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 17:27:43,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-12-02 17:27:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:43,907 INFO L225 Difference]: With dead ends: 5026 [2018-12-02 17:27:43,908 INFO L226 Difference]: Without dead ends: 3068 [2018-12-02 17:27:43,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2018-12-02 17:27:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2018-12-02 17:27:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2631. [2018-12-02 17:27:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-12-02 17:27:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3025 transitions. [2018-12-02 17:27:43,947 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3025 transitions. Word has length 166 [2018-12-02 17:27:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:43,947 INFO L480 AbstractCegarLoop]: Abstraction has 2631 states and 3025 transitions. [2018-12-02 17:27:43,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:27:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3025 transitions. [2018-12-02 17:27:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 17:27:43,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:43,950 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 17:27:43,950 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:43,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:43,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1312161014, now seen corresponding path program 1 times [2018-12-02 17:27:43,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:43,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:43,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:43,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:43,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:44,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:44,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:44,208 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-12-02 17:27:44,208 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:44,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:44,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:44,290 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:27:44,290 INFO L272 AbstractInterpreter]: Visited 98 different actions 190 times. Merged at 4 different actions 4 times. Never widened. Performed 2716 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2716 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 17:27:44,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:44,292 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:27:44,408 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 81.49% of their original sizes. [2018-12-02 17:27:44,408 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:27:44,437 INFO L418 sIntCurrentIteration]: We unified 168 AI predicates to 168 [2018-12-02 17:27:44,437 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:27:44,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:44,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-12-02 17:27:44,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:44,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:27:44,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:27:44,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:44,438 INFO L87 Difference]: Start difference. First operand 2631 states and 3025 transitions. Second operand 10 states. [2018-12-02 17:27:46,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:46,621 INFO L93 Difference]: Finished difference Result 5260 states and 6112 transitions. [2018-12-02 17:27:46,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 17:27:46,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-12-02 17:27:46,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:46,626 INFO L225 Difference]: With dead ends: 5260 [2018-12-02 17:27:46,626 INFO L226 Difference]: Without dead ends: 2907 [2018-12-02 17:27:46,629 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:27:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2018-12-02 17:27:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2905. [2018-12-02 17:27:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2905 states. [2018-12-02 17:27:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 3322 transitions. [2018-12-02 17:27:46,659 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 3322 transitions. Word has length 169 [2018-12-02 17:27:46,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:46,659 INFO L480 AbstractCegarLoop]: Abstraction has 2905 states and 3322 transitions. [2018-12-02 17:27:46,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:27:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3322 transitions. [2018-12-02 17:27:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 17:27:46,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:46,663 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 17:27:46,663 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:46,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:46,663 INFO L82 PathProgramCache]: Analyzing trace with hash 90800783, now seen corresponding path program 1 times [2018-12-02 17:27:46,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:46,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:46,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:46,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:46,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 79 proven. 39 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:27:46,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:46,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:46,742 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-12-02 17:27:46,742 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:46,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:46,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:46,958 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:27:46,958 INFO L272 AbstractInterpreter]: Visited 100 different actions 396 times. Merged at 7 different actions 29 times. Never widened. Performed 5814 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5814 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 17:27:46,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:46,960 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:27:46,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:46,960 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:27:46,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:46,966 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:27:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:47,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:27:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:27:47,040 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:27:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:27:47,102 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 17:27:47,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 17:27:47,102 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 17:27:47,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:27:47,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:27:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:27:47,103 INFO L87 Difference]: Start difference. First operand 2905 states and 3322 transitions. Second operand 11 states. [2018-12-02 17:27:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:48,047 INFO L93 Difference]: Finished difference Result 9007 states and 10773 transitions. [2018-12-02 17:27:48,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 17:27:48,048 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2018-12-02 17:27:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:48,058 INFO L225 Difference]: With dead ends: 9007 [2018-12-02 17:27:48,058 INFO L226 Difference]: Without dead ends: 6517 [2018-12-02 17:27:48,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 357 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 17:27:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2018-12-02 17:27:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 6241. [2018-12-02 17:27:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-12-02 17:27:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 7300 transitions. [2018-12-02 17:27:48,130 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 7300 transitions. Word has length 177 [2018-12-02 17:27:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:48,131 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 7300 transitions. [2018-12-02 17:27:48,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:27:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 7300 transitions. [2018-12-02 17:27:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 17:27:48,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:48,136 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 17:27:48,136 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:48,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:48,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1000985743, now seen corresponding path program 1 times [2018-12-02 17:27:48,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:48,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:48,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:48,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:48,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:27:48,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:48,224 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:48,224 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-12-02 17:27:48,224 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:48,225 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:48,225 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:48,348 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:27:48,348 INFO L272 AbstractInterpreter]: Visited 99 different actions 289 times. Merged at 6 different actions 12 times. Never widened. Performed 4056 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 17:27:48,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:48,349 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:27:48,480 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 83.13% of their original sizes. [2018-12-02 17:27:48,480 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:27:48,522 INFO L418 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-12-02 17:27:48,522 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:27:48,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:48,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 17:27:48,523 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:48,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:27:48,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:27:48,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:48,523 INFO L87 Difference]: Start difference. First operand 6241 states and 7300 transitions. Second operand 10 states. [2018-12-02 17:27:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:50,160 INFO L93 Difference]: Finished difference Result 12624 states and 14844 transitions. [2018-12-02 17:27:50,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:27:50,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2018-12-02 17:27:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:50,172 INFO L225 Difference]: With dead ends: 12624 [2018-12-02 17:27:50,172 INFO L226 Difference]: Without dead ends: 6935 [2018-12-02 17:27:50,178 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 17:27:50,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2018-12-02 17:27:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6930. [2018-12-02 17:27:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2018-12-02 17:27:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 8074 transitions. [2018-12-02 17:27:50,250 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 8074 transitions. Word has length 186 [2018-12-02 17:27:50,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:50,250 INFO L480 AbstractCegarLoop]: Abstraction has 6930 states and 8074 transitions. [2018-12-02 17:27:50,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:27:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 8074 transitions. [2018-12-02 17:27:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 17:27:50,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:50,255 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 17:27:50,255 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:50,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1969481278, now seen corresponding path program 1 times [2018-12-02 17:27:50,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:50,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:50,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 99 proven. 60 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 17:27:50,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:50,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:50,338 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-02 17:27:50,338 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:50,340 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:50,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:50,529 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:27:50,529 INFO L272 AbstractInterpreter]: Visited 101 different actions 398 times. Merged at 8 different actions 27 times. Never widened. Performed 5885 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5885 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 17:27:50,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:50,533 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:27:50,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:50,533 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:27:50,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:50,539 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:27:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:50,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:27:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 17:27:50,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:27:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 104 proven. 14 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 17:27:50,720 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 17:27:50,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-02 17:27:50,720 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 17:27:50,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 17:27:50,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 17:27:50,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:27:50,721 INFO L87 Difference]: Start difference. First operand 6930 states and 8074 transitions. Second operand 12 states. [2018-12-02 17:27:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:52,511 INFO L93 Difference]: Finished difference Result 16888 states and 20385 transitions. [2018-12-02 17:27:52,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-02 17:27:52,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 196 [2018-12-02 17:27:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:52,529 INFO L225 Difference]: With dead ends: 16888 [2018-12-02 17:27:52,529 INFO L226 Difference]: Without dead ends: 10236 [2018-12-02 17:27:52,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 417 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-12-02 17:27:52,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10236 states. [2018-12-02 17:27:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10236 to 9122. [2018-12-02 17:27:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9122 states. [2018-12-02 17:27:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 10710 transitions. [2018-12-02 17:27:52,649 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 10710 transitions. Word has length 196 [2018-12-02 17:27:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:52,649 INFO L480 AbstractCegarLoop]: Abstraction has 9122 states and 10710 transitions. [2018-12-02 17:27:52,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 17:27:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 10710 transitions. [2018-12-02 17:27:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 17:27:52,657 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:27:52,657 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 17:27:52,657 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:27:52,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1276746019, now seen corresponding path program 1 times [2018-12-02 17:27:52,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:27:52,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:52,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:52,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:27:52,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:27:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 168 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:27:52,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:52,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:27:52,739 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-12-02 17:27:52,739 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 17:27:52,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:27:52,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:27:52,923 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:27:52,924 INFO L272 AbstractInterpreter]: Visited 100 different actions 389 times. Merged at 7 different actions 22 times. Never widened. Performed 5861 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 17:27:52,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:27:52,925 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:27:52,925 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:27:52,925 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:27:52,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:27:52,932 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:27:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:27:52,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:27:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 17:27:53,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:27:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 17:27:53,091 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:27:53,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-02 17:27:53,092 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:27:53,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:27:53,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:27:53,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:53,092 INFO L87 Difference]: Start difference. First operand 9122 states and 10710 transitions. Second operand 3 states. [2018-12-02 17:27:53,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:27:53,435 INFO L93 Difference]: Finished difference Result 14080 states and 16552 transitions. [2018-12-02 17:27:53,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:27:53,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-12-02 17:27:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:27:53,436 INFO L225 Difference]: With dead ends: 14080 [2018-12-02 17:27:53,436 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:27:53,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:27:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:27:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:27:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:27:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:27:53,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-12-02 17:27:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:27:53,460 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:27:53,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:27:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:27:53,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:27:53,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:27:53,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,790 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 130 [2018-12-02 17:27:53,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:27:53,964 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 156 [2018-12-02 17:27:55,372 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 297 DAG size of output: 106 [2018-12-02 17:27:55,709 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2018-12-02 17:27:56,092 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 77 [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,094 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,095 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 17:27:56,096 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 17:27:56,097 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 17:27:56,098 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 17:27:56,099 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 17:27:56,100 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 17:27:56,101 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse26 (= 1 |old(~a20~0)|))) (let ((.cse3 (and (= |old(~a7~0)| |old(~a20~0)|) .cse26)) (.cse14 (not (= 1 |old(~a21~0)|))) (.cse15 (not .cse26)) (.cse0 (= 13 |old(~a8~0)|)) (.cse18 (not (= 8 ~a12~0))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse22 (not (= 1 |old(~a17~0)|))) (.cse12 (= ~a21~0 1)) (.cse23 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= |old(~a8~0)| ~a8~0)) (.cse8 (= |old(~a20~0)| ~a20~0)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= |old(~a16~0)| ~a16~0))) (let ((.cse2 (and .cse23 .cse7 .cse8 .cse9 .cse10)) (.cse6 (< 0 |old(~a20~0)|)) (.cse5 (< 13 |old(~a8~0)|)) (.cse17 (not (= 0 |old(~a17~0)|))) (.cse21 (and .cse8 .cse10 .cse12 .cse23 .cse7 .cse9)) (.cse4 (= 6 |old(~a16~0)|)) (.cse1 (< 0 |old(~a17~0)|)) (.cse19 (= 0 |old(~a16~0)|)) (.cse25 (< 14 |old(~a8~0)|)) (.cse20 (= 0 |old(~a8~0)|)) (.cse13 (not (= 0 |old(~a7~0)|))) (.cse16 (not (= 15 |old(~a8~0)|))) (.cse27 (and (or .cse14 .cse15 .cse18 .cse11 .cse3 .cse22) (or (or .cse14 .cse15 (not (= 4 |old(~a16~0)|)) (not .cse0)) .cse18 .cse11 .cse22))) (.cse24 (not (= 5 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5) .cse2 .cse6) (or (and (= 1 ~a7~0) .cse7 .cse8 .cse9 .cse10) (< |old(~a20~0)| 1) (or .cse5 (not (= 1 |old(~a7~0)|)))) (or .cse11 .cse12 (or (not .cse4) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18)) (or .cse14 .cse0 .cse19 .cse18 .cse11 .cse20 .cse21 .cse6 .cse22) (or .cse4 .cse5 (and .cse23 .cse7 .cse10)) (or (and (= ~a7~0 0) (= ~a8~0 15) .cse12) .cse11 (and (or .cse13 .cse14 .cse16 .cse17 .cse24 .cse18) (or .cse13 .cse14 .cse16 .cse24 .cse18 .cse22))) (or .cse4 (and .cse8 .cse10 .cse23 .cse7 .cse9) .cse25 .cse1) (or .cse4 .cse14 .cse0 .cse19 .cse18 .cse21 .cse11 .cse20 .cse26 .cse22) (or .cse4 .cse13 .cse14 .cse12 .cse18 .cse1 .cse11 .cse15 .cse16 .cse19) (or (and .cse23 (and .cse7 .cse10 .cse12) .cse8 .cse9) .cse27 .cse19 .cse25 .cse20) (or .cse13 (and (= 1 ~a17~0) (= ~a20~0 1) (= ~a16~0 5)) .cse16 .cse27 .cse24))))) [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,102 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 17:27:56,103 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 17:27:56,104 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:27:56,105 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5) (= 1 ~a17~0)) [2018-12-02 17:27:56,105 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:27:56,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:27:56,105 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-02 17:27:56,105 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 17:27:56,105 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (not (= ~a16~0 0))) (.cse11 (not (= main_~input~0 0))) (.cse12 (not (= ~a8~0 0))) (.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse13 (= ~a21~0 1)) (.cse10 (= ~a20~0 1)) (.cse14 (= 1 ~a17~0))) (let ((.cse7 (and .cse9 .cse11 .cse12 .cse0 (= ~a12~0 8) .cse13 .cse10 .cse14)) (.cse1 (<= ~a17~0 0)) (.cse8 (<= ~a8~0 14)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse4 (not (= ~a16~0 6))) (.cse2 (not (= ~a8~0 13))) (.cse5 (<= ~a20~0 0)) (.cse3 (<= ~a8~0 13))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse4 .cse5) (not (= 5 |old(~a16~0)|)) (and .cse6 (= ~a8~0 15) .cse7 (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse8) (not (= 1 |old(~a17~0)|)) (and .cse9 (not .cse10) .cse11 .cse12 .cse13 .cse2 .cse14 .cse4) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse1 .cse8) (and .cse3 .cse6 .cse4) (and .cse9 .cse11 .cse12 .cse13 .cse2 (= ~a17~0 |old(~a17~0)|) .cse5) (and .cse3 (= 1 ~a7~0) (<= 1 ~a20~0))))) [2018-12-02 17:27:56,105 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 17:27:56,105 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 17:27:56,105 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a16~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse4 (= ~a20~0 1)) (.cse7 (= 1 ~a17~0))) (let ((.cse11 (and .cse3 .cse5 .cse0 .cse4 .cse7)) (.cse9 (<= ~a8~0 13)) (.cse8 (not (= ~a16~0 6))) (.cse1 (<= ~a17~0 0)) (.cse12 (<= ~a8~0 14)) (.cse6 (= ~a21~0 1)) (.cse2 (not (= ~a8~0 13))) (.cse10 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (and .cse3 (not .cse4) .cse5 .cse6 .cse2 .cse7 .cse8) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse8 .cse10) (not (= 5 |old(~a16~0)|)) (and .cse6 (and (<= ~a8~0 |old(~a8~0)|) (and (= ~a7~0 0) .cse11)) (= ~a16~0 5)) (and .cse12 (and .cse11 .cse6)) (and .cse9 (= ~a7~0 |old(~a7~0)|) .cse8) (and .cse9 (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse8 .cse1 .cse12) (and (and .cse3 .cse5 .cse6 .cse2 .cse7) .cse10)))) [2018-12-02 17:27:56,105 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 17:27:56,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:27:56 BoogieIcfgContainer [2018-12-02 17:27:56,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:27:56,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:27:56,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:27:56,116 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:27:56,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:30" (3/4) ... [2018-12-02 17:27:56,119 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:27:56,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:27:56,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 17:27:56,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:27:56,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 17:27:56,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 17:27:56,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || ((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0)) || !(5 == \old(a16))) || ((a21 == 1 && a8 <= \old(a8) && a7 == 0 && (((!(a16 == 0) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a20 == 1) && 1 == a17) && a16 == 5)) || (a8 <= 14 && ((((!(a16 == 0) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a20 == 1) && 1 == a17) && a21 == 1)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14)) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0) [2018-12-02 17:27:56,205 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5eb8a51d-70a9-485a-9650-6bd0786164ba/bin-2019/utaipan/witness.graphml [2018-12-02 17:27:56,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:27:56,206 INFO L168 Benchmark]: Toolchain (without parser) took 26576.63 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 941.6 MB in the beginning and 800.3 MB in the end (delta: 141.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,206 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:27:56,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,207 INFO L168 Benchmark]: Boogie Preprocessor took 34.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,208 INFO L168 Benchmark]: RCFGBuilder took 530.16 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: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,208 INFO L168 Benchmark]: TraceAbstraction took 25589.02 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 824.7 MB in the end (delta: 195.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,208 INFO L168 Benchmark]: Witness Printer took 89.46 ms. Allocated memory is still 2.2 GB. Free memory was 824.7 MB in the beginning and 800.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:27:56,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 530.16 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: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25589.02 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 824.7 MB in the end (delta: 195.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 89.46 ms. Allocated memory is still 2.2 GB. Free memory was 824.7 MB in the beginning and 800.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 440]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a21)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || ((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0)) || !(5 == \old(a16))) || ((a21 == 1 && a8 <= \old(a8) && a7 == 0 && (((!(a16 == 0) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a20 == 1) && 1 == a17) && a16 == 5)) || (a8 <= 14 && ((((!(a16 == 0) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a20 == 1) && 1 == a17) && a21 == 1)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14)) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 25.5s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 781 SDtfs, 10994 SDslu, 854 SDs, 0 SdLazy, 13357 SolverSat, 2396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2454 GetRequests, 2252 SyntacticMatches, 9 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9122occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.996846701445112 AbsIntWeakeningRatio, 0.2457293035479632 AbsIntAvgWeakeningVarsNumRemoved, 28.177398160315374 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2671 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 373 PreInvPairs, 563 NumberOfFragments, 1066 HoareAnnotationTreeSize, 373 FomulaSimplifications, 64104 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15560 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2668 NumberOfCodeBlocks, 2668 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3388 ConstructedInterpolants, 0 QuantifiedInterpolants, 1706547 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2185 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 2043/2327 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...