./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/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 9204823cbe2b352839849e2ea06b227f99a40c67 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:47:45,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:47:45,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:47:45,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:47:45,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:47:45,914 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:47:45,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:47:45,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:47:45,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:47:45,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:47:45,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:47:45,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:47:45,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:47:45,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:47:45,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:47:45,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:47:45,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:47:45,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:47:45,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:47:45,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:47:45,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:47:45,923 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:47:45,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:47:45,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:47:45,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:47:45,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:47:45,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:47:45,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:47:45,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:47:45,928 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:47:45,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:47:45,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:47:45,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:47:45,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:47:45,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:47:45,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:47:45,929 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:47:45,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:47:45,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:47:45,937 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:47:45,937 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:47:45,937 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:47:45,937 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:47:45,938 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:47:45,939 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:47:45,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:47:45,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:47:45,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:47:45,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:47:45,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:47:45,941 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_5842a779-99ad-4523-a2e8-bb2d95f21e00/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 -> 9204823cbe2b352839849e2ea06b227f99a40c67 [2018-12-09 16:47:45,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:47:45,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:47:45,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:47:45,972 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:47:45,972 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:47:45,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-09 16:47:46,012 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/data/b0bbfec0c/a1b573bb2f7f4aff826bbe931aae8f01/FLAG5bea216d3 [2018-12-09 16:47:46,465 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:47:46,465 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/sv-benchmarks/c/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-12-09 16:47:46,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/data/b0bbfec0c/a1b573bb2f7f4aff826bbe931aae8f01/FLAG5bea216d3 [2018-12-09 16:47:46,482 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/data/b0bbfec0c/a1b573bb2f7f4aff826bbe931aae8f01 [2018-12-09 16:47:46,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:47:46,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:47:46,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:47:46,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:47:46,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:47:46,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb2a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46, skipping insertion in model container [2018-12-09 16:47:46,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:47:46,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:47:46,729 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:47:46,732 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:47:46,832 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:47:46,841 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:47:46,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46 WrapperNode [2018-12-09 16:47:46,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:47:46,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:47:46,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:47:46,842 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:47:46,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:47:46,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:47:46,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:47:46,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:47:46,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... [2018-12-09 16:47:46,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:47:46,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:47:46,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:47:46,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:47:46,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:47:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:47:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:47:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 16:47:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 16:47:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:47:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:47:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:47:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:47:47,727 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:47:47,727 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 16:47:47,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:47:47 BoogieIcfgContainer [2018-12-09 16:47:47,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:47:47,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:47:47,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:47:47,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:47:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:47:46" (1/3) ... [2018-12-09 16:47:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c159555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:47:47, skipping insertion in model container [2018-12-09 16:47:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:46" (2/3) ... [2018-12-09 16:47:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c159555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:47:47, skipping insertion in model container [2018-12-09 16:47:47,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:47:47" (3/3) ... [2018-12-09 16:47:47,734 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label21_true-unreach-call_false-termination.c [2018-12-09 16:47:47,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:47:47,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:47:47,756 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:47:47,781 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:47:47,782 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:47:47,782 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:47:47,782 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:47:47,782 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:47:47,782 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:47:47,782 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:47:47,782 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:47:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 16:47:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 16:47:47,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:47:47,801 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] [2018-12-09 16:47:47,803 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:47:47,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:47:47,806 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2018-12-09 16:47:47,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:47:47,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:47,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:47:47,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:47,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:47:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:47:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:47:47,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:47:47,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:47:47,993 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:47:47,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:47:48,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:47:48,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:47:48,011 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-09 16:47:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:47:48,589 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-09 16:47:48,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:47:48,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-12-09 16:47:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:47:48,602 INFO L225 Difference]: With dead ends: 688 [2018-12-09 16:47:48,603 INFO L226 Difference]: Without dead ends: 372 [2018-12-09 16:47:48,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:47:48,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-09 16:47:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-09 16:47:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 16:47:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 596 transitions. [2018-12-09 16:47:48,648 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 596 transitions. Word has length 40 [2018-12-09 16:47:48,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:47:48,648 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 596 transitions. [2018-12-09 16:47:48,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:47:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 596 transitions. [2018-12-09 16:47:48,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 16:47:48,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:47:48,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:47:48,651 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:47:48,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:47:48,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1744454378, now seen corresponding path program 1 times [2018-12-09 16:47:48,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:47:48,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:48,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:47:48,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:48,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:47:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:47:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:47:48,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:47:48,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 16:47:48,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:47:48,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:47:48,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:47:48,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:47:48,739 INFO L87 Difference]: Start difference. First operand 372 states and 596 transitions. Second operand 5 states. [2018-12-09 16:47:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:47:49,380 INFO L93 Difference]: Finished difference Result 940 states and 1514 transitions. [2018-12-09 16:47:49,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:47:49,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-09 16:47:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:47:49,383 INFO L225 Difference]: With dead ends: 940 [2018-12-09 16:47:49,383 INFO L226 Difference]: Without dead ends: 574 [2018-12-09 16:47:49,384 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 [2018-12-09 16:47:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-09 16:47:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-09 16:47:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-09 16:47:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 831 transitions. [2018-12-09 16:47:49,405 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 831 transitions. Word has length 116 [2018-12-09 16:47:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:47:49,406 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 831 transitions. [2018-12-09 16:47:49,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:47:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 831 transitions. [2018-12-09 16:47:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 16:47:49,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:47:49,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:47:49,408 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:47:49,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:47:49,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1787764330, now seen corresponding path program 1 times [2018-12-09 16:47:49,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:47:49,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:49,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:47:49,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:49,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:47:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:47:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:47:49,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:47:49,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:47:49,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:47:49,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:47:49,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:47:49,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:47:49,544 INFO L87 Difference]: Start difference. First operand 564 states and 831 transitions. Second operand 6 states. [2018-12-09 16:47:50,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:47:50,212 INFO L93 Difference]: Finished difference Result 1526 states and 2378 transitions. [2018-12-09 16:47:50,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:47:50,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-12-09 16:47:50,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:47:50,217 INFO L225 Difference]: With dead ends: 1526 [2018-12-09 16:47:50,218 INFO L226 Difference]: Without dead ends: 968 [2018-12-09 16:47:50,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:47:50,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-12-09 16:47:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 942. [2018-12-09 16:47:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2018-12-09 16:47:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1352 transitions. [2018-12-09 16:47:50,243 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1352 transitions. Word has length 180 [2018-12-09 16:47:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:47:50,244 INFO L480 AbstractCegarLoop]: Abstraction has 942 states and 1352 transitions. [2018-12-09 16:47:50,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:47:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1352 transitions. [2018-12-09 16:47:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 16:47:50,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:47:50,246 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, 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] [2018-12-09 16:47:50,246 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:47:50,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:47:50,246 INFO L82 PathProgramCache]: Analyzing trace with hash 122382904, now seen corresponding path program 1 times [2018-12-09 16:47:50,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:47:50,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:50,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:47:50,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:47:50,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:47:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:47:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:47:50,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:47:50,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:47:50,332 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-12-09 16:47:50,333 INFO L205 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], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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] [2018-12-09 16:47:50,359 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:47:50,359 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:47:50,556 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:47:50,557 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 728 root evaluator evaluations with a maximum evaluation depth of 9. Performed 728 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 16:47:50,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:47:50,569 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:47:50,798 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 77.81% of their original sizes. [2018-12-09 16:47:50,799 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:47:50,819 INFO L418 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-12-09 16:47:50,819 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:47:50,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:47:50,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 16:47:50,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:47:50,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:47:50,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:47:50,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:47:50,821 INFO L87 Difference]: Start difference. First operand 942 states and 1352 transitions. Second operand 6 states. [2018-12-09 16:48:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:48:03,671 INFO L93 Difference]: Finished difference Result 2061 states and 2911 transitions. [2018-12-09 16:48:03,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:48:03,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-12-09 16:48:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:48:03,675 INFO L225 Difference]: With dead ends: 2061 [2018-12-09 16:48:03,675 INFO L226 Difference]: Without dead ends: 1125 [2018-12-09 16:48:03,676 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:48:03,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-12-09 16:48:03,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1124. [2018-12-09 16:48:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-09 16:48:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1541 transitions. [2018-12-09 16:48:03,701 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1541 transitions. Word has length 199 [2018-12-09 16:48:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:48:03,701 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1541 transitions. [2018-12-09 16:48:03,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:48:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1541 transitions. [2018-12-09 16:48:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 16:48:03,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:48:03,705 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:48:03,706 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:48:03,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:03,706 INFO L82 PathProgramCache]: Analyzing trace with hash 814508401, now seen corresponding path program 1 times [2018-12-09 16:48:03,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:48:03,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:03,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:03,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:03,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:48:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 184 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:48:04,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:48:04,056 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:48:04,056 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-12-09 16:48:04,056 INFO L205 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], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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] [2018-12-09 16:48:04,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:48:04,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:48:04,149 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:48:04,150 INFO L272 AbstractInterpreter]: Visited 94 different actions 180 times. Merged at 3 different actions 3 times. Never widened. Performed 1498 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:48:04,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:04,152 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:48:04,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:48:04,152 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:48:04,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:04,161 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:48:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:04,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:48:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-09 16:48:04,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:48:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-09 16:48:04,428 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:48:04,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-12-09 16:48:04,428 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:48:04,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 16:48:04,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 16:48:04,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-12-09 16:48:04,429 INFO L87 Difference]: Start difference. First operand 1124 states and 1541 transitions. Second operand 15 states. [2018-12-09 16:48:07,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:48:07,011 INFO L93 Difference]: Finished difference Result 3158 states and 4457 transitions. [2018-12-09 16:48:07,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-09 16:48:07,012 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 283 [2018-12-09 16:48:07,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:48:07,019 INFO L225 Difference]: With dead ends: 3158 [2018-12-09 16:48:07,019 INFO L226 Difference]: Without dead ends: 2130 [2018-12-09 16:48:07,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 586 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=365, Invalid=1441, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 16:48:07,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2018-12-09 16:48:07,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1886. [2018-12-09 16:48:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-12-09 16:48:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2244 transitions. [2018-12-09 16:48:07,068 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2244 transitions. Word has length 283 [2018-12-09 16:48:07,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:48:07,068 INFO L480 AbstractCegarLoop]: Abstraction has 1886 states and 2244 transitions. [2018-12-09 16:48:07,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 16:48:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2244 transitions. [2018-12-09 16:48:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-12-09 16:48:07,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:48:07,073 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:48:07,073 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:48:07,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:07,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1127436145, now seen corresponding path program 1 times [2018-12-09 16:48:07,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:48:07,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:07,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:07,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:07,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:48:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 16:48:07,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:48:07,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:48:07,213 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-12-09 16:48:07,213 INFO L205 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], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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] [2018-12-09 16:48:07,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:48:07,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:48:10,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:48:10,632 INFO L272 AbstractInterpreter]: Visited 119 different actions 356 times. Merged at 7 different actions 19 times. Never widened. Performed 3398 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:48:10,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:10,634 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:48:11,281 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 80.42% of their original sizes. [2018-12-09 16:48:11,282 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:48:11,317 INFO L418 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-12-09 16:48:11,317 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:48:11,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:48:11,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-09 16:48:11,317 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:48:11,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:48:11,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:48:11,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:48:11,318 INFO L87 Difference]: Start difference. First operand 1886 states and 2244 transitions. Second operand 9 states. [2018-12-09 16:48:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:48:20,670 INFO L93 Difference]: Finished difference Result 4182 states and 5055 transitions. [2018-12-09 16:48:20,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 16:48:20,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 335 [2018-12-09 16:48:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:48:20,674 INFO L225 Difference]: With dead ends: 4182 [2018-12-09 16:48:20,674 INFO L226 Difference]: Without dead ends: 2484 [2018-12-09 16:48:20,676 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 16:48:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-12-09 16:48:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2080. [2018-12-09 16:48:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2018-12-09 16:48:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2485 transitions. [2018-12-09 16:48:20,703 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2485 transitions. Word has length 335 [2018-12-09 16:48:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:48:20,703 INFO L480 AbstractCegarLoop]: Abstraction has 2080 states and 2485 transitions. [2018-12-09 16:48:20,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:48:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2485 transitions. [2018-12-09 16:48:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-09 16:48:20,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:48:20,705 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, 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, 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] [2018-12-09 16:48:20,706 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:48:20,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:20,706 INFO L82 PathProgramCache]: Analyzing trace with hash -482474598, now seen corresponding path program 1 times [2018-12-09 16:48:20,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:48:20,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:20,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:20,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:20,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:48:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-12-09 16:48:20,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:48:20,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:48:20,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:48:20,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:48:20,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:48:20,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:48:20,821 INFO L87 Difference]: Start difference. First operand 2080 states and 2485 transitions. Second operand 4 states. [2018-12-09 16:48:21,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:48:21,343 INFO L93 Difference]: Finished difference Result 4522 states and 5465 transitions. [2018-12-09 16:48:21,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 16:48:21,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 438 [2018-12-09 16:48:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:48:21,348 INFO L225 Difference]: With dead ends: 4522 [2018-12-09 16:48:21,348 INFO L226 Difference]: Without dead ends: 2632 [2018-12-09 16:48:21,350 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 [2018-12-09 16:48:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2018-12-09 16:48:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2078. [2018-12-09 16:48:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2078 states. [2018-12-09 16:48:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2408 transitions. [2018-12-09 16:48:21,375 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2408 transitions. Word has length 438 [2018-12-09 16:48:21,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:48:21,376 INFO L480 AbstractCegarLoop]: Abstraction has 2078 states and 2408 transitions. [2018-12-09 16:48:21,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:48:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2408 transitions. [2018-12-09 16:48:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2018-12-09 16:48:21,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:48:21,379 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, 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, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2018-12-09 16:48:21,379 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:48:21,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -583487091, now seen corresponding path program 1 times [2018-12-09 16:48:21,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:48:21,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:21,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:21,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:48:21,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:48:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 361 proven. 289 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 16:48:22,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:48:22,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:48:22,016 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 533 with the following transitions: [2018-12-09 16:48:22,016 INFO L205 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], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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], [594], [595], [599], [603], [607], [611], [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] [2018-12-09 16:48:22,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:48:22,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:48:25,954 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:48:25,954 INFO L272 AbstractInterpreter]: Visited 190 different actions 758 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8299 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:48:25,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:48:25,956 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:48:25,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:48:25,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:48:25,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:48:25,963 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:48:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:48:26,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:48:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-09 16:48:26,133 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:48:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-09 16:48:26,243 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:48:26,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-12-09 16:48:26,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:48:26,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:48:26,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:48:26,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-09 16:48:26,244 INFO L87 Difference]: Start difference. First operand 2078 states and 2408 transitions. Second operand 3 states. [2018-12-09 16:48:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:48:26,634 INFO L93 Difference]: Finished difference Result 5068 states and 5987 transitions. [2018-12-09 16:48:26,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:48:26,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2018-12-09 16:48:26,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:48:26,635 INFO L225 Difference]: With dead ends: 5068 [2018-12-09 16:48:26,635 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:48:26,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1076 GetRequests, 1062 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-09 16:48:26,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:48:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:48:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:48:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:48:26,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 532 [2018-12-09 16:48:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:48:26,639 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:48:26,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:48:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:48:26,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:48:26,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:48:26,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:48:26,905 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 16:48:27,022 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 16:48:27,023 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,024 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 16:48:27,025 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)))) (and (or .cse0 (<= |old(~a12~0)| 11)) (or .cse0 (and (= 8 |old(~a21~0)|) (= 6 |old(~a15~0)|))))) [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 16:48:27,026 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 16:48:27,027 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 16:48:27,028 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 16:48:27,029 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,030 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 16:48:27,031 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:48:27,032 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)) [2018-12-09 16:48:27,032 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:48:27,032 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)|)) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 6 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 16:48:27,032 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (< 11 ~a12~0) (not (= ~a21~0 8)) (not (= 8 |old(~a15~0)|)) (not (= 6 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 16:48:27,032 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 16:48:27,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:48:27 BoogieIcfgContainer [2018-12-09 16:48:27,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:48:27,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:48:27,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:48:27,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:48:27,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:47:47" (3/4) ... [2018-12-09 16:48:27,041 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:48:27,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:48:27,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 16:48:27,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:48:27,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 16:48:27,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 16:48:27,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(6 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-12-09 16:48:27,128 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5842a779-99ad-4523-a2e8-bb2d95f21e00/bin-2019/utaipan/witness.graphml [2018-12-09 16:48:27,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:48:27,129 INFO L168 Benchmark]: Toolchain (without parser) took 40644.58 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 942.7 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-09 16:48:27,129 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:48:27,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 942.7 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:48:27,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:48:27,129 INFO L168 Benchmark]: Boogie Preprocessor took 37.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:48:27,130 INFO L168 Benchmark]: RCFGBuilder took 829.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:48:27,130 INFO L168 Benchmark]: TraceAbstraction took 39309.45 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 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-09 16:48:27,130 INFO L168 Benchmark]: Witness Printer took 89.91 ms. Allocated memory is still 5.0 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:48:27,131 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 942.7 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 829.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39309.45 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 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 89.91 ms. Allocated memory is still 5.0 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: (((((11 < a12 || !(a21 == 8)) || !(8 == \old(a15))) || !(6 == a15)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 39.2s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 27.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 5312 SDslu, 351 SDs, 0 SdLazy, 7828 SolverSat, 1853 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2274 GetRequests, 2179 SyntacticMatches, 6 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9969291607350573 AbsIntWeakeningRatio, 0.10902255639097744 AbsIntAvgWeakeningVarsNumRemoved, 15.757518796992482 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1239 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 111 NumberOfFragments, 163 HoareAnnotationTreeSize, 71 FomulaSimplifications, 4523 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1858 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2938 NumberOfCodeBlocks, 2938 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3741 ConstructedInterpolants, 0 QuantifiedInterpolants, 6465746 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1295 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 3780/4223 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...