./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/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 ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:03:36,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:03:36,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:03:36,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:03:36,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:03:36,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:03:36,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:03:36,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:03:36,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:03:36,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:03:36,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:03:36,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:03:36,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:03:36,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:03:36,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:03:36,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:03:36,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:03:36,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:03:36,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:03:36,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:03:36,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:03:36,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:03:36,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:03:36,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:03:36,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:03:36,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:03:36,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:03:36,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:03:36,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:03:36,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:03:36,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:03:36,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:03:36,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:03:36,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:03:36,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:03:36,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:03:36,888 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:03:36,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:03:36,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:03:36,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:03:36,896 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:03:36,896 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:03:36,897 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:03:36,897 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:03:36,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:03:36,898 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:03:36,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:03:36,898 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:03:36,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:03:36,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:03:36,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:03:36,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:03:36,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:03:36,901 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:03:36,901 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:03:36,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:03:36,901 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:03:36,901 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_5110728d-e51f-4027-a044-cd67a7703baf/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 -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2018-11-23 14:03:36,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:03:36,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:03:36,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:03:36,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:03:36,939 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:03:36,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-23 14:03:36,983 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/data/6a54f74ee/961308b8cf6c4aee955a3c7c5ccde95d/FLAGc3e1b7cd9 [2018-11-23 14:03:37,472 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:03:37,472 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-23 14:03:37,482 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/data/6a54f74ee/961308b8cf6c4aee955a3c7c5ccde95d/FLAGc3e1b7cd9 [2018-11-23 14:03:37,963 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/data/6a54f74ee/961308b8cf6c4aee955a3c7c5ccde95d [2018-11-23 14:03:37,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:03:37,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:03:37,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:03:37,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:03:37,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:03:37,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:37" (1/1) ... [2018-11-23 14:03:37,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:37, skipping insertion in model container [2018-11-23 14:03:37,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:37" (1/1) ... [2018-11-23 14:03:37,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:03:38,015 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:03:38,273 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:03:38,277 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:03:38,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:03:38,387 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:03:38,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38 WrapperNode [2018-11-23 14:03:38,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:03:38,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:03:38,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:03:38,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:03:38,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:03:38,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:03:38,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:03:38,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:03:38,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... [2018-11-23 14:03:38,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:03:38,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:03:38,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:03:38,554 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:03:38,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:03:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:03:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:03:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:03:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:03:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:03:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:03:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:03:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:03:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:03:39,490 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:03:39,490 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:03:39,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:39 BoogieIcfgContainer [2018-11-23 14:03:39,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:03:39,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:03:39,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:03:39,493 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:03:39,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:03:37" (1/3) ... [2018-11-23 14:03:39,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:39, skipping insertion in model container [2018-11-23 14:03:39,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:38" (2/3) ... [2018-11-23 14:03:39,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:39, skipping insertion in model container [2018-11-23 14:03:39,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:39" (3/3) ... [2018-11-23 14:03:39,495 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label16_true-unreach-call_false-termination.c [2018-11-23 14:03:39,501 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:03:39,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:03:39,516 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:03:39,538 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:03:39,538 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:03:39,538 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:03:39,538 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:03:39,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:03:39,539 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:03:39,539 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:03:39,539 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:03:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 14:03:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:03:39,561 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:03:39,562 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] [2018-11-23 14:03:39,564 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:03:39,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:39,568 INFO L82 PathProgramCache]: Analyzing trace with hash 27238371, now seen corresponding path program 1 times [2018-11-23 14:03:39,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:03:39,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:39,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:03:39,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:39,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:03:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:03:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:03:39,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:03:39,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:03:39,773 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:03:39,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:03:39,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:03:39,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:03:39,786 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 14:03:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:03:40,468 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 14:03:40,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:03:40,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 14:03:40,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:03:40,479 INFO L225 Difference]: With dead ends: 688 [2018-11-23 14:03:40,479 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 14:03:40,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:03:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 14:03:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 14:03:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 14:03:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 765 transitions. [2018-11-23 14:03:40,527 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 765 transitions. Word has length 52 [2018-11-23 14:03:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:03:40,527 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 765 transitions. [2018-11-23 14:03:40,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:03:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 765 transitions. [2018-11-23 14:03:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 14:03:40,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:03:40,532 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 14:03:40,532 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:03:40,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:40,533 INFO L82 PathProgramCache]: Analyzing trace with hash -831044326, now seen corresponding path program 1 times [2018-11-23 14:03:40,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:03:40,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:40,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:03:40,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:40,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:03:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:03:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:03:40,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:03:40,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:03:40,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:03:40,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:03:40,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:03:40,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:03:40,635 INFO L87 Difference]: Start difference. First operand 432 states and 765 transitions. Second operand 5 states. [2018-11-23 14:03:42,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:03:42,005 INFO L93 Difference]: Finished difference Result 1410 states and 2574 transitions. [2018-11-23 14:03:42,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:03:42,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-11-23 14:03:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:03:42,015 INFO L225 Difference]: With dead ends: 1410 [2018-11-23 14:03:42,015 INFO L226 Difference]: Without dead ends: 984 [2018-11-23 14:03:42,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:03:42,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2018-11-23 14:03:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 970. [2018-11-23 14:03:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2018-11-23 14:03:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1537 transitions. [2018-11-23 14:03:42,052 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1537 transitions. Word has length 128 [2018-11-23 14:03:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:03:42,052 INFO L480 AbstractCegarLoop]: Abstraction has 970 states and 1537 transitions. [2018-11-23 14:03:42,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:03:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1537 transitions. [2018-11-23 14:03:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 14:03:42,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:03:42,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:03:42,057 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:03:42,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:42,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1296359578, now seen corresponding path program 1 times [2018-11-23 14:03:42,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:03:42,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:42,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:03:42,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:42,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:03:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:03:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:03:42,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:03:42,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:03:42,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:03:42,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:03:42,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:03:42,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:03:42,214 INFO L87 Difference]: Start difference. First operand 970 states and 1537 transitions. Second operand 6 states. [2018-11-23 14:03:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:03:43,154 INFO L93 Difference]: Finished difference Result 2342 states and 3928 transitions. [2018-11-23 14:03:43,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:03:43,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-11-23 14:03:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:03:43,161 INFO L225 Difference]: With dead ends: 2342 [2018-11-23 14:03:43,162 INFO L226 Difference]: Without dead ends: 1378 [2018-11-23 14:03:43,164 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 [2018-11-23 14:03:43,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2018-11-23 14:03:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1347. [2018-11-23 14:03:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-23 14:03:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2121 transitions. [2018-11-23 14:03:43,202 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2121 transitions. Word has length 192 [2018-11-23 14:03:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:03:43,202 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 2121 transitions. [2018-11-23 14:03:43,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:03:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2121 transitions. [2018-11-23 14:03:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 14:03:43,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:03:43,206 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, 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, 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] [2018-11-23 14:03:43,206 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:03:43,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:43,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1245763624, now seen corresponding path program 1 times [2018-11-23 14:03:43,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:03:43,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:43,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:03:43,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:43,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:03:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:03:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:03:43,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:03:43,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:03:43,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-23 14:03:43,329 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:03:43,359 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:03:43,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:03:43,606 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:03:43,608 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 726 root evaluator evaluations with a maximum evaluation depth of 9. Performed 726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 14:03:43,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:43,619 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:03:43,913 INFO L227 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 78.05% of their original sizes. [2018-11-23 14:03:43,913 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:03:43,948 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-23 14:03:43,948 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:03:43,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:03:43,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 14:03:43,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:03:43,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:03:43,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:03:43,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:03:43,950 INFO L87 Difference]: Start difference. First operand 1347 states and 2121 transitions. Second operand 6 states. [2018-11-23 14:03:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:03:50,684 INFO L93 Difference]: Finished difference Result 2871 states and 4461 transitions. [2018-11-23 14:03:50,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:03:50,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2018-11-23 14:03:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:03:50,690 INFO L225 Difference]: With dead ends: 2871 [2018-11-23 14:03:50,690 INFO L226 Difference]: Without dead ends: 1530 [2018-11-23 14:03:50,694 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:03:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2018-11-23 14:03:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1529. [2018-11-23 14:03:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2018-11-23 14:03:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2310 transitions. [2018-11-23 14:03:50,725 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2310 transitions. Word has length 211 [2018-11-23 14:03:50,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:03:50,726 INFO L480 AbstractCegarLoop]: Abstraction has 1529 states and 2310 transitions. [2018-11-23 14:03:50,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:03:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2310 transitions. [2018-11-23 14:03:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 14:03:50,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:03:50,731 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, 4, 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, 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] [2018-11-23 14:03:50,731 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:03:50,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:50,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1932581537, now seen corresponding path program 1 times [2018-11-23 14:03:50,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:03:50,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:50,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:03:50,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:03:50,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:03:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:03:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 220 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:03:51,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:03:51,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:03:51,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-11-23 14:03:51,159 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:03:51,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:03:51,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:03:51,282 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:03:51,282 INFO L272 AbstractInterpreter]: Visited 93 different actions 179 times. Merged at 3 different actions 3 times. Never widened. Performed 1491 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 14:03:51,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:03:51,285 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:03:51,557 INFO L227 lantSequenceWeakener]: Weakened 292 states. On average, predicates are now at 77.87% of their original sizes. [2018-11-23 14:03:51,558 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:03:51,655 INFO L415 sIntCurrentIteration]: We unified 294 AI predicates to 294 [2018-11-23 14:03:51,655 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:03:51,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:03:51,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-23 14:03:51,655 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:03:51,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:03:51,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:03:51,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:03:51,657 INFO L87 Difference]: Start difference. First operand 1529 states and 2310 transitions. Second operand 10 states. [2018-11-23 14:04:12,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:04:12,418 INFO L93 Difference]: Finished difference Result 3433 states and 5120 transitions. [2018-11-23 14:04:12,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 14:04:12,418 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 295 [2018-11-23 14:04:12,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:04:12,423 INFO L225 Difference]: With dead ends: 3433 [2018-11-23 14:04:12,424 INFO L226 Difference]: Without dead ends: 2092 [2018-11-23 14:04:12,426 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 303 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:04:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2018-11-23 14:04:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2090. [2018-11-23 14:04:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2018-11-23 14:04:12,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2924 transitions. [2018-11-23 14:04:12,456 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2924 transitions. Word has length 295 [2018-11-23 14:04:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:04:12,457 INFO L480 AbstractCegarLoop]: Abstraction has 2090 states and 2924 transitions. [2018-11-23 14:04:12,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:04:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2924 transitions. [2018-11-23 14:04:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-23 14:04:12,461 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:04:12,461 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, 4, 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, 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, 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] [2018-11-23 14:04:12,462 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:04:12,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:12,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1337167711, now seen corresponding path program 1 times [2018-11-23 14:04:12,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:04:12,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:12,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:12,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:12,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:04:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 288 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-23 14:04:12,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:04:12,611 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:04:12,612 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 348 with the following transitions: [2018-11-23 14:04:12,612 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:04:12,615 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:04:12,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:04:16,136 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:04:16,136 INFO L272 AbstractInterpreter]: Visited 119 different actions 352 times. Merged at 7 different actions 15 times. Never widened. Performed 3318 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3318 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 14:04:16,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:16,141 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:04:16,767 INFO L227 lantSequenceWeakener]: Weakened 344 states. On average, predicates are now at 80.47% of their original sizes. [2018-11-23 14:04:16,767 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:04:16,818 INFO L415 sIntCurrentIteration]: We unified 346 AI predicates to 346 [2018-11-23 14:04:16,818 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:04:16,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:04:16,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-23 14:04:16,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:04:16,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:04:16,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:04:16,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:04:16,819 INFO L87 Difference]: Start difference. First operand 2090 states and 2924 transitions. Second operand 9 states. [2018-11-23 14:04:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:04:36,138 INFO L93 Difference]: Finished difference Result 4836 states and 6978 transitions. [2018-11-23 14:04:36,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 14:04:36,138 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 347 [2018-11-23 14:04:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:04:36,145 INFO L225 Difference]: With dead ends: 4836 [2018-11-23 14:04:36,145 INFO L226 Difference]: Without dead ends: 2934 [2018-11-23 14:04:36,149 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 355 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:04:36,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2018-11-23 14:04:36,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2728. [2018-11-23 14:04:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2728 states. [2018-11-23 14:04:36,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3717 transitions. [2018-11-23 14:04:36,189 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3717 transitions. Word has length 347 [2018-11-23 14:04:36,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:04:36,190 INFO L480 AbstractCegarLoop]: Abstraction has 2728 states and 3717 transitions. [2018-11-23 14:04:36,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:04:36,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3717 transitions. [2018-11-23 14:04:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-11-23 14:04:36,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:04:36,196 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 14:04:36,197 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:04:36,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 823881364, now seen corresponding path program 1 times [2018-11-23 14:04:36,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:04:36,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:36,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:36,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:36,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:04:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 373 proven. 232 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 14:04:36,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:04:36,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:04:36,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 442 with the following transitions: [2018-11-23 14:04:36,754 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:04:36,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:04:36,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:04:39,571 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:04:39,572 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 14:04:39,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:39,577 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:04:41,183 INFO L227 lantSequenceWeakener]: Weakened 438 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-23 14:04:41,183 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:04:41,212 INFO L415 sIntCurrentIteration]: We unified 440 AI predicates to 440 [2018-11-23 14:04:41,212 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:04:41,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:04:41,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 14:04:41,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:04:41,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:04:41,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:04:41,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:04:41,213 INFO L87 Difference]: Start difference. First operand 2728 states and 3717 transitions. Second operand 10 states. [2018-11-23 14:04:48,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:04:48,775 INFO L93 Difference]: Finished difference Result 5454 states and 7449 transitions. [2018-11-23 14:04:48,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:04:48,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 441 [2018-11-23 14:04:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:04:48,787 INFO L225 Difference]: With dead ends: 5454 [2018-11-23 14:04:48,787 INFO L226 Difference]: Without dead ends: 2914 [2018-11-23 14:04:48,791 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 448 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:04:48,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2018-11-23 14:04:48,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2912. [2018-11-23 14:04:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2912 states. [2018-11-23 14:04:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3915 transitions. [2018-11-23 14:04:48,843 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3915 transitions. Word has length 441 [2018-11-23 14:04:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:04:48,843 INFO L480 AbstractCegarLoop]: Abstraction has 2912 states and 3915 transitions. [2018-11-23 14:04:48,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:04:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3915 transitions. [2018-11-23 14:04:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-11-23 14:04:48,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:04:48,854 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, 4, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 14:04:48,855 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:04:48,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:48,855 INFO L82 PathProgramCache]: Analyzing trace with hash 324003786, now seen corresponding path program 1 times [2018-11-23 14:04:48,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:04:48,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:48,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:48,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:48,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:04:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-23 14:04:49,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:04:49,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:04:49,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:04:49,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:04:49,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:04:49,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:04:49,074 INFO L87 Difference]: Start difference. First operand 2912 states and 3915 transitions. Second operand 4 states. [2018-11-23 14:04:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:04:49,745 INFO L93 Difference]: Finished difference Result 5775 states and 8221 transitions. [2018-11-23 14:04:49,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:04:49,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 450 [2018-11-23 14:04:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:04:49,754 INFO L225 Difference]: With dead ends: 5775 [2018-11-23 14:04:49,754 INFO L226 Difference]: Without dead ends: 3787 [2018-11-23 14:04:49,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:04:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2018-11-23 14:04:49,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3787. [2018-11-23 14:04:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3787 states. [2018-11-23 14:04:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 4946 transitions. [2018-11-23 14:04:49,804 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 4946 transitions. Word has length 450 [2018-11-23 14:04:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:04:49,804 INFO L480 AbstractCegarLoop]: Abstraction has 3787 states and 4946 transitions. [2018-11-23 14:04:49,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:04:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4946 transitions. [2018-11-23 14:04:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-11-23 14:04:49,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:04:49,810 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:04:49,810 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:04:49,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:49,811 INFO L82 PathProgramCache]: Analyzing trace with hash -656513606, now seen corresponding path program 1 times [2018-11-23 14:04:49,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:04:49,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:49,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:49,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:49,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:04:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 319 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-23 14:04:49,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:04:49,977 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:04:49,977 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 531 with the following transitions: [2018-11-23 14:04:49,977 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:04:49,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:04:49,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:04:54,520 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:04:54,520 INFO L272 AbstractInterpreter]: Visited 124 different actions 498 times. Merged at 9 different actions 35 times. Never widened. Performed 4709 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4709 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 14:04:54,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:54,522 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:04:54,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:04:54,522 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:04:54,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:54,528 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:04:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:54,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:04:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 692 proven. 2 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2018-11-23 14:04:54,811 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:04:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 319 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-23 14:04:55,017 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:04:55,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 14:04:55,018 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:04:55,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:04:55,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:04:55,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:04:55,019 INFO L87 Difference]: Start difference. First operand 3787 states and 4946 transitions. Second operand 9 states. [2018-11-23 14:04:57,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:04:57,291 INFO L93 Difference]: Finished difference Result 10184 states and 14079 transitions. [2018-11-23 14:04:57,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 14:04:57,291 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 530 [2018-11-23 14:04:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:04:57,303 INFO L225 Difference]: With dead ends: 10184 [2018-11-23 14:04:57,303 INFO L226 Difference]: Without dead ends: 6402 [2018-11-23 14:04:57,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1077 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2018-11-23 14:04:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6402 states. [2018-11-23 14:04:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6402 to 6302. [2018-11-23 14:04:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6302 states. [2018-11-23 14:04:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6302 states to 6302 states and 7624 transitions. [2018-11-23 14:04:57,421 INFO L78 Accepts]: Start accepts. Automaton has 6302 states and 7624 transitions. Word has length 530 [2018-11-23 14:04:57,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:04:57,421 INFO L480 AbstractCegarLoop]: Abstraction has 6302 states and 7624 transitions. [2018-11-23 14:04:57,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:04:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6302 states and 7624 transitions. [2018-11-23 14:04:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-11-23 14:04:57,433 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:04:57,433 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 14:04:57,433 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:04:57,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:04:57,434 INFO L82 PathProgramCache]: Analyzing trace with hash -87428214, now seen corresponding path program 1 times [2018-11-23 14:04:57,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:04:57,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:57,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:04:57,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:04:57,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:04:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:04:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 409 proven. 299 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-23 14:04:58,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:04:58,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:04:58,130 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 550 with the following transitions: [2018-11-23 14:04:58,130 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 14:04:58,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:04:58,133 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:05:02,119 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:05:02,119 INFO L272 AbstractInterpreter]: Visited 190 different actions 751 times. Merged at 8 different actions 24 times. Never widened. Performed 8207 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8207 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 14:05:02,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:05:02,177 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:05:02,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:05:02,177 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:05:02,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:05:02,185 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:05:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:02,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:05:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-23 14:05:02,392 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:05:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-23 14:05:02,519 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:05:02,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-11-23 14:05:02,520 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:05:02,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:05:02,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:05:02,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:05:02,521 INFO L87 Difference]: Start difference. First operand 6302 states and 7624 transitions. Second operand 3 states. [2018-11-23 14:05:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:05:03,051 INFO L93 Difference]: Finished difference Result 14950 states and 18500 transitions. [2018-11-23 14:05:03,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:05:03,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 549 [2018-11-23 14:05:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:05:03,052 INFO L225 Difference]: With dead ends: 14950 [2018-11-23 14:05:03,052 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:05:03,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1097 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:05:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:05:03,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:05:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:05:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:05:03,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 549 [2018-11-23 14:05:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:05:03,075 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:05:03,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:05:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:05:03,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:05:03,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:05:03,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:05:03,460 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2018-11-23 14:05:03,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 14:05:03,556 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,557 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 14:05:03,558 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 14:05:03,559 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,560 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 14:05:03,561 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a15~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse9 (<= ~a21~0 |old(~a21~0)|)) (.cse10 (= |old(~a15~0)| ~a15~0))) (let ((.cse0 (and .cse8 .cse9 .cse10)) (.cse2 (= 5 |old(~a15~0)|)) (.cse5 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse3 (= ~a24~0 1)) (.cse4 (not (= 1 |old(~a24~0)|))) (.cse7 (not .cse1)) (.cse6 (= |calculate_output_#in~input| 0))) (and (or (< 80 |old(~a12~0)|) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (and (= ~a21~0 6) .cse3) (or (not (= 6 |old(~a21~0)|)) (not .cse2)) .cse4 .cse5 .cse6) (or (or (= ~a21~0 7) (= ~a21~0 10)) .cse6 (and (or (not (= 10 |old(~a21~0)|)) .cse4 .cse7 .cse5) (or (not (= 7 |old(~a21~0)|)) .cse4 .cse7 .cse5))) (or (and .cse8 (not (= ~a21~0 8)) .cse9 .cse10) (= 8 |old(~a21~0)|) .cse1) (or (and .cse8 (not (= ~a21~0 0)) .cse9 .cse3 .cse10) (or (= 0 |old(~a21~0)|) .cse4 .cse7 .cse6))))) [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 14:05:03,562 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 14:05:03,563 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 14:05:03,564 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 14:05:03,565 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 14:05:03,566 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,567 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 14:05:03,568 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,569 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 14:05:03,570 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-23 14:05:03,571 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7))) [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= 5 ~a15~0))) (.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 8)) .cse0) (and .cse0 .cse1) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 1) .cse1) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= ~a12~0 80) .cse0))) [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 14:05:03,571 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= 5 ~a15~0))) (.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 8)) .cse0) (and .cse0 .cse1) (not (= 8 |old(~a15~0)|)) (and (not (= ~a21~0 0)) (= ~a24~0 1) .cse1) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= ~a12~0 80) .cse0))) [2018-11-23 14:05:03,571 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 14:05:03,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:05:03 BoogieIcfgContainer [2018-11-23 14:05:03,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:05:03,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:05:03,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:05:03,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:05:03,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:39" (3/4) ... [2018-11-23 14:05:03,589 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:05:03,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:05:03,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:05:03,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:05:03,604 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:05:03,604 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:05:03,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(a21 == 8) && !(a15 == 8)) || (!(a15 == 8) && !(5 == a15))) || !(8 == \old(a15))) || ((!(a21 == 0) && a24 == 1) && !(5 == a15))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || (a12 <= 80 && !(a15 == 8)) [2018-11-23 14:05:03,714 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5110728d-e51f-4027-a044-cd67a7703baf/bin-2019/utaipan/witness.graphml [2018-11-23 14:05:03,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:05:03,715 INFO L168 Benchmark]: Toolchain (without parser) took 85749.04 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 956.6 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,715 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:05:03,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -227.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,716 INFO L168 Benchmark]: Boogie Preprocessor took 50.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,716 INFO L168 Benchmark]: RCFGBuilder took 937.01 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: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,716 INFO L168 Benchmark]: TraceAbstraction took 84094.74 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 14:05:03,717 INFO L168 Benchmark]: Witness Printer took 128.06 ms. Allocated memory is still 5.0 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:05:03,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -227.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.73 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 937.01 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: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84094.74 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 128.06 ms. Allocated memory is still 5.0 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 880]: Loop Invariant Derived loop invariant: (((((((!(a21 == 8) && !(a15 == 8)) || (!(a15 == 8) && !(5 == a15))) || !(8 == \old(a15))) || ((!(a21 == 0) && a24 == 1) && !(5 == a15))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || (a12 <= 80 && !(a15 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 84.0s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 60.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1564 SDtfs, 8856 SDslu, 1510 SDs, 0 SdLazy, 13205 SolverSat, 2811 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3566 GetRequests, 3447 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6302occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.3s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9969828172938713 AbsIntWeakeningRatio, 0.09922480620155039 AbsIntAvgWeakeningVarsNumRemoved, 16.227131782945737 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 161 NumberOfFragments, 348 HoareAnnotationTreeSize, 105 FomulaSimplifications, 4642 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1962 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4274 NumberOfCodeBlocks, 4274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5339 ConstructedInterpolants, 0 QuantifiedInterpolants, 9437945 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1632 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 6589/7828 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...