./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/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 70545f5392ebc5e90051a936a28b8141bae29fb0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:42:48,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:42:48,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:42:48,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:42:48,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:42:48,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:42:48,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:42:48,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:42:48,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:42:48,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:42:48,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:42:48,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:42:48,838 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:42:48,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:42:48,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:42:48,847 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:42:48,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:42:48,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:42:48,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:42:48,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:42:48,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:42:48,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:42:48,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:42:48,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:42:48,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:42:48,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:42:48,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:42:48,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:42:48,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:42:48,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:42:48,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:42:48,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:42:48,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:42:48,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:42:48,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:42:48,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:42:48,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:42:48,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:42:48,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:42:48,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:42:48,877 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:42:48,877 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:42:48,877 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:42:48,877 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:42:48,877 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:42:48,877 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:42:48,878 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:42:48,878 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:42:48,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:42:48,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:42:48,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:42:48,880 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:42:48,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:42:48,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:42:48,880 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:42:48,880 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:42:48,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:42:48,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:42:48,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:42:48,881 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_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/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 -> 70545f5392ebc5e90051a936a28b8141bae29fb0 [2018-10-26 23:42:48,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:42:48,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:42:48,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:42:48,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:42:48,934 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:42:48,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-10-26 23:42:48,981 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/data/7c175282c/e1e79f5aa440456084321a7949e37366/FLAG90a4247eb [2018-10-26 23:42:49,426 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:42:49,427 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-10-26 23:42:49,447 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/data/7c175282c/e1e79f5aa440456084321a7949e37366/FLAG90a4247eb [2018-10-26 23:42:49,459 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/data/7c175282c/e1e79f5aa440456084321a7949e37366 [2018-10-26 23:42:49,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:42:49,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:42:49,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:42:49,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:42:49,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:42:49,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:49,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49, skipping insertion in model container [2018-10-26 23:42:49,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:49,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:42:49,546 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:42:49,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:42:49,828 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:42:49,943 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:42:49,957 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:42:49,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49 WrapperNode [2018-10-26 23:42:49,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:42:49,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:42:49,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:42:49,963 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:42:49,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:49,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:42:50,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:42:50,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:42:50,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:42:50,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... [2018-10-26 23:42:50,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:42:50,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:42:50,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:42:50,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:42:50,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/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 [2018-10-26 23:42:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:42:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:42:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:42:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:42:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:42:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:42:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:42:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:42:52,824 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:42:52,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:42:52 BoogieIcfgContainer [2018-10-26 23:42:52,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:42:52,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:42:52,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:42:52,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:42:52,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:42:49" (1/3) ... [2018-10-26 23:42:52,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a8e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:42:52, skipping insertion in model container [2018-10-26 23:42:52,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:42:49" (2/3) ... [2018-10-26 23:42:52,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a8e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:42:52, skipping insertion in model container [2018-10-26 23:42:52,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:42:52" (3/3) ... [2018-10-26 23:42:52,831 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label45_true-unreach-call.c [2018-10-26 23:42:52,839 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:42:52,853 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:42:52,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:42:52,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:42:52,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:42:52,917 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:42:52,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:42:52,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:42:52,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:42:52,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:42:52,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:42:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-26 23:42:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:42:52,952 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:52,953 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:42:52,955 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:52,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:52,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2078467607, now seen corresponding path program 1 times [2018-10-26 23:42:52,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:42:53,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:53,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:53,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:53,009 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:42:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:53,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:42:53,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:42:53,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:42:53,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:42:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:42:53,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:42:53,318 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-26 23:42:54,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:42:54,678 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-26 23:42:54,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:42:54,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-10-26 23:42:54,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:42:54,698 INFO L225 Difference]: With dead ends: 574 [2018-10-26 23:42:54,704 INFO L226 Difference]: Without dead ends: 356 [2018-10-26 23:42:54,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:42:54,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-26 23:42:54,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-26 23:42:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-26 23:42:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 592 transitions. [2018-10-26 23:42:54,774 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 592 transitions. Word has length 45 [2018-10-26 23:42:54,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:42:54,775 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 592 transitions. [2018-10-26 23:42:54,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:42:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 592 transitions. [2018-10-26 23:42:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 23:42:54,779 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:54,779 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:42:54,780 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:54,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:54,780 INFO L82 PathProgramCache]: Analyzing trace with hash -2123203616, now seen corresponding path program 1 times [2018-10-26 23:42:54,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:42:54,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:54,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:54,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:54,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:42:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:55,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:42:55,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:42:55,003 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:42:55,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:42:55,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:42:55,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:42:55,006 INFO L87 Difference]: Start difference. First operand 356 states and 592 transitions. Second operand 6 states. [2018-10-26 23:42:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:42:56,731 INFO L93 Difference]: Finished difference Result 1002 states and 1689 transitions. [2018-10-26 23:42:56,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:42:56,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-10-26 23:42:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:42:56,737 INFO L225 Difference]: With dead ends: 1002 [2018-10-26 23:42:56,737 INFO L226 Difference]: Without dead ends: 652 [2018-10-26 23:42:56,741 INFO L605 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 [2018-10-26 23:42:56,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-10-26 23:42:56,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 640. [2018-10-26 23:42:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2018-10-26 23:42:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 960 transitions. [2018-10-26 23:42:56,774 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 960 transitions. Word has length 115 [2018-10-26 23:42:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:42:56,775 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 960 transitions. [2018-10-26 23:42:56,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:42:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 960 transitions. [2018-10-26 23:42:56,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 23:42:56,778 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:42:56,779 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:42:56,779 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:42:56,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:42:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash -597678124, now seen corresponding path program 1 times [2018-10-26 23:42:56,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:42:56,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:56,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:42:56,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:42:56,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:42:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:57,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:42:57,091 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:42:57,092 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-10-26 23:42:57,093 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [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], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:42:57,142 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:42:57,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:42:58,769 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:43:06,623 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 23:43:06,624 INFO L272 AbstractInterpreter]: Visited 88 different actions 497 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:43:06,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:06,680 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 23:43:06,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:43:06,680 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/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 [2018-10-26 23:43:06,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:43:06,695 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 23:43:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:06,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:43:08,956 WARN L179 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 35 [2018-10-26 23:43:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:09,126 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 23:43:09,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:09,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:09,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:09,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,342 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,507 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:10,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,191 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,287 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,313 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,338 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,475 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,589 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,637 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,890 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:11,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:12,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,401 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,434 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,519 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,825 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,943 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:13,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,040 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,082 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,107 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,133 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-10-26 23:43:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:14,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-26 23:43:14,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-26 23:43:14,296 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:43:14,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:43:14,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:43:14,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-10-26 23:43:14,297 INFO L87 Difference]: Start difference. First operand 640 states and 960 transitions. Second operand 6 states. [2018-10-26 23:43:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:43:22,310 INFO L93 Difference]: Finished difference Result 2276 states and 3514 transitions. [2018-10-26 23:43:22,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:43:22,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-26 23:43:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:43:22,323 INFO L225 Difference]: With dead ends: 2276 [2018-10-26 23:43:22,323 INFO L226 Difference]: Without dead ends: 1642 [2018-10-26 23:43:22,328 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 174 SyntacticMatches, 73 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-10-26 23:43:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2018-10-26 23:43:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1632. [2018-10-26 23:43:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1632 states. [2018-10-26 23:43:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2323 transitions. [2018-10-26 23:43:22,390 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2323 transitions. Word has length 125 [2018-10-26 23:43:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:43:22,391 INFO L481 AbstractCegarLoop]: Abstraction has 1632 states and 2323 transitions. [2018-10-26 23:43:22,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:43:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2323 transitions. [2018-10-26 23:43:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 23:43:22,407 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:43:22,408 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:43:22,409 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:43:22,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:22,409 INFO L82 PathProgramCache]: Analyzing trace with hash 786349999, now seen corresponding path program 1 times [2018-10-26 23:43:22,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:43:22,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:43:22,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:43:22,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:43:22,410 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:43:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:43:22,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:43:22,603 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:43:22,604 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-10-26 23:43:22,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [730], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:43:22,613 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:43:22,613 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:43:24,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:43:24,343 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-26 23:43:24,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:24,390 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:43:25,838 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 73.45% of their original sizes. [2018-10-26 23:43:25,839 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:43:26,313 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-10-26 23:43:26,314 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:43:26,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:43:26,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-10-26 23:43:26,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:43:26,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:43:26,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:43:26,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:43:26,316 INFO L87 Difference]: Start difference. First operand 1632 states and 2323 transitions. Second operand 7 states. [2018-10-26 23:43:28,467 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:43:47,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:43:47,416 INFO L93 Difference]: Finished difference Result 3404 states and 4873 transitions. [2018-10-26 23:43:47,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:43:47,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2018-10-26 23:43:47,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:43:47,424 INFO L225 Difference]: With dead ends: 3404 [2018-10-26 23:43:47,424 INFO L226 Difference]: Without dead ends: 1778 [2018-10-26 23:43:47,429 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:43:47,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2018-10-26 23:43:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1776. [2018-10-26 23:43:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1776 states. [2018-10-26 23:43:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2476 transitions. [2018-10-26 23:43:47,470 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2476 transitions. Word has length 174 [2018-10-26 23:43:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:43:47,471 INFO L481 AbstractCegarLoop]: Abstraction has 1776 states and 2476 transitions. [2018-10-26 23:43:47,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:43:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2476 transitions. [2018-10-26 23:43:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 23:43:47,473 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:43:47,473 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:43:47,474 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:43:47,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:47,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1611504344, now seen corresponding path program 1 times [2018-10-26 23:43:47,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:43:47,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:43:47,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:43:47,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:43:47,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:43:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:43:47,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:43:47,704 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:43:47,704 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-10-26 23:43:47,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [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], [766], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:43:47,709 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:43:47,709 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:43:49,808 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:43:55,806 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:43:55,806 INFO L272 AbstractInterpreter]: Visited 145 different actions 422 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:43:55,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:55,814 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:43:57,417 INFO L227 lantSequenceWeakener]: Weakened 36 states. On average, predicates are now at 77.62% of their original sizes. [2018-10-26 23:43:57,417 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:44:19,260 INFO L415 sIntCurrentIteration]: We unified 182 AI predicates to 182 [2018-10-26 23:44:19,260 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:44:19,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:44:19,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [4] total 19 [2018-10-26 23:44:19,261 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:44:19,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 23:44:19,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 23:44:19,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:44:19,262 INFO L87 Difference]: Start difference. First operand 1776 states and 2476 transitions. Second operand 17 states. [2018-10-26 23:45:13,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:45:13,913 INFO L93 Difference]: Finished difference Result 3705 states and 5361 transitions. [2018-10-26 23:45:13,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-26 23:45:13,913 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 183 [2018-10-26 23:45:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:45:13,922 INFO L225 Difference]: With dead ends: 3705 [2018-10-26 23:45:13,922 INFO L226 Difference]: Without dead ends: 2079 [2018-10-26 23:45:13,928 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 124 SyntacticMatches, 43 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 22.4s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2018-10-26 23:45:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2018-10-26 23:45:14,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2072. [2018-10-26 23:45:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2018-10-26 23:45:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2811 transitions. [2018-10-26 23:45:14,045 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2811 transitions. Word has length 183 [2018-10-26 23:45:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:45:14,047 INFO L481 AbstractCegarLoop]: Abstraction has 2072 states and 2811 transitions. [2018-10-26 23:45:14,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 23:45:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2811 transitions. [2018-10-26 23:45:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-26 23:45:14,053 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:45:14,053 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 23:45:14,053 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:45:14,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:45:14,054 INFO L82 PathProgramCache]: Analyzing trace with hash -302493013, now seen corresponding path program 1 times [2018-10-26 23:45:14,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:45:14,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:45:14,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:45:14,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:45:14,056 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:45:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:14,471 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 23:45:14,679 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:45:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:45:15,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:45:15,004 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:45:15,004 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-10-26 23:45:15,005 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [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], [534], [535], [539], [543], [547], [551], [555], [558], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:45:15,007 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:45:15,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:45:15,884 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:45:22,430 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 23:45:22,431 INFO L272 AbstractInterpreter]: Visited 95 different actions 539 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:45:22,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:45:22,442 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 23:45:22,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:45:22,443 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/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 [2018-10-26 23:45:22,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:45:22,450 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 23:45:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:22,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:45:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:45:22,547 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 23:45:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:45:22,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 23:45:22,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-10-26 23:45:22,698 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 23:45:22,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 23:45:22,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 23:45:22,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-10-26 23:45:22,699 INFO L87 Difference]: Start difference. First operand 2072 states and 2811 transitions. Second operand 14 states. [2018-10-26 23:45:26,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:45:26,110 INFO L93 Difference]: Finished difference Result 6668 states and 10072 transitions. [2018-10-26 23:45:26,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-26 23:45:26,110 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2018-10-26 23:45:26,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:45:26,119 INFO L225 Difference]: With dead ends: 6668 [2018-10-26 23:45:26,120 INFO L226 Difference]: Without dead ends: 2567 [2018-10-26 23:45:26,141 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-10-26 23:45:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2018-10-26 23:45:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2365. [2018-10-26 23:45:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2018-10-26 23:45:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 2861 transitions. [2018-10-26 23:45:26,279 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 2861 transitions. Word has length 211 [2018-10-26 23:45:26,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:45:26,279 INFO L481 AbstractCegarLoop]: Abstraction has 2365 states and 2861 transitions. [2018-10-26 23:45:26,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-26 23:45:26,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2861 transitions. [2018-10-26 23:45:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-10-26 23:45:26,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:45:26,284 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:45:26,285 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:45:26,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:45:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1957137347, now seen corresponding path program 1 times [2018-10-26 23:45:26,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:45:26,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:45:26,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:45:26,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:45:26,286 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:45:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:26,567 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 23:45:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 23:45:26,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:45:26,728 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:45:26,729 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-10-26 23:45:26,729 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [261], [263], [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], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [730], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:45:26,732 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:45:26,732 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:45:27,389 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:45:32,596 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:45:32,596 INFO L272 AbstractInterpreter]: Visited 137 different actions 398 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:45:32,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:45:32,606 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:45:33,865 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 75.15% of their original sizes. [2018-10-26 23:45:33,865 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:45:42,150 INFO L415 sIntCurrentIteration]: We unified 244 AI predicates to 244 [2018-10-26 23:45:42,150 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:45:42,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:45:42,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [4] total 22 [2018-10-26 23:45:42,151 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:45:42,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-26 23:45:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-26 23:45:42,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-10-26 23:45:42,152 INFO L87 Difference]: Start difference. First operand 2365 states and 2861 transitions. Second operand 20 states. [2018-10-26 23:47:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:24,047 INFO L93 Difference]: Finished difference Result 4978 states and 6173 transitions. [2018-10-26 23:47:24,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-26 23:47:24,047 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 245 [2018-10-26 23:47:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:24,055 INFO L225 Difference]: With dead ends: 4978 [2018-10-26 23:47:24,055 INFO L226 Difference]: Without dead ends: 3055 [2018-10-26 23:47:24,059 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 213 SyntacticMatches, 13 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2018-10-26 23:47:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2018-10-26 23:47:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2690. [2018-10-26 23:47:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2018-10-26 23:47:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3231 transitions. [2018-10-26 23:47:24,263 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3231 transitions. Word has length 245 [2018-10-26 23:47:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:24,264 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3231 transitions. [2018-10-26 23:47:24,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-26 23:47:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3231 transitions. [2018-10-26 23:47:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 23:47:24,267 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:24,268 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:24,268 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:24,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:24,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1462292403, now seen corresponding path program 1 times [2018-10-26 23:47:24,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:47:24,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:24,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:24,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:24,273 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:47:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 23:47:24,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:24,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:47:24,513 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:47:24,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:47:24,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:47:24,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:47:24,515 INFO L87 Difference]: Start difference. First operand 2690 states and 3231 transitions. Second operand 4 states. [2018-10-26 23:47:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:25,172 INFO L93 Difference]: Finished difference Result 5056 states and 6252 transitions. [2018-10-26 23:47:25,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:47:25,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 247 [2018-10-26 23:47:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:25,175 INFO L225 Difference]: With dead ends: 5056 [2018-10-26 23:47:25,175 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:47:25,184 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:47:25,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:47:25,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:47:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:47:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:47:25,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2018-10-26 23:47:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:25,185 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:47:25,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:47:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:47:25,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:47:25,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:47:25,341 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-26 23:47:27,113 WARN L179 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 1190 [2018-10-26 23:47:29,562 WARN L179 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1444 DAG size of output: 1438 [2018-10-26 23:47:37,314 WARN L179 SmtUtils]: Spent 7.74 s on a formula simplification. DAG size of input: 1829 DAG size of output: 1823 [2018-10-26 23:47:37,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:38,748 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1448 DAG size of output: 1441 [2018-10-26 23:47:46,473 WARN L179 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 1829 DAG size of output: 1823 [2018-10-26 23:47:50,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:50,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:52,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:56,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:56,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:56,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:56,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:58,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:58,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:47:58,500 WARN L179 SmtUtils]: Spent 12.00 s on a formula simplification. DAG size of input: 2430 DAG size of output: 2179 [2018-10-26 23:48:01,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:01,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:08,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:08,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:09,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:09,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:09,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:09,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:10,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:48:10,138 WARN L179 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 2419 DAG size of output: 2355 [2018-10-26 23:48:10,817 WARN L179 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 44 [2018-10-26 23:48:23,599 WARN L179 SmtUtils]: Spent 12.77 s on a formula simplification. DAG size of input: 928 DAG size of output: 73 [2018-10-26 23:49:15,260 WARN L179 SmtUtils]: Spent 51.59 s on a formula simplification. DAG size of input: 1844 DAG size of output: 216 [2018-10-26 23:49:31,212 WARN L179 SmtUtils]: Spent 15.86 s on a formula simplification. DAG size of input: 1717 DAG size of output: 83 [2018-10-26 23:49:52,643 WARN L179 SmtUtils]: Spent 21.41 s on a formula simplification. DAG size of input: 1839 DAG size of output: 83 [2018-10-26 23:49:52,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:49:52,645 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (let ((.cse0 (forall ((v_~a1~0_BEFORE_CALL_5 Int)) (or (< |old(~a1~0)| v_~a1~0_BEFORE_CALL_5) (exists ((v_~a1~0_352 Int)) (and (<= (+ (div v_~a1~0_352 5) 331283) 0) (<= v_~a1~0_BEFORE_CALL_5 v_~a1~0_352) (= 0 (mod v_~a1~0_352 5))))))) (.cse1 (div ~a1~0 5))) (and (or .cse0 (< 0 (+ .cse1 331283)) (not (= (mod ~a1~0 5) 0))) (or .cse0 (< 0 (+ .cse1 331284))) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0))) [2018-10-26 23:49:52,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-26 23:49:52,646 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-26 23:49:52,647 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,648 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-26 23:49:52,649 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-26 23:49:52,650 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-26 23:49:52,651 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-26 23:49:52,651 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-26 23:49:52,651 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 23:49:52,651 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-26 23:49:52,651 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-26 23:49:52,652 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,653 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-26 23:49:52,654 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-26 23:49:52,655 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-26 23:49:52,656 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-26 23:49:52,657 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 23:49:52,658 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 23:49:52,658 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 23:49:52,658 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-26 23:49:52,658 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-26 23:49:52,658 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (not (= 14 ~a4~0))) (.cse13 (not (= 0 ~a12~0)))) (let ((.cse11 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0))) (.cse18 (and (<= ~a1~0 |old(~a1~0)|) (<= |old(~a1~0)| ~a1~0))) (.cse0 (< (+ |old(~a10~0)| 197) |old(~a1~0)|)) (.cse1 (< |old(~a1~0)| (+ |old(~a10~0)| 23))) (.cse21 (< 10 (* 2 ~inputE~0))) (.cse22 (< 10 (+ ~inputD~0 ~inputF~0))) (.cse23 (< ~inputF~0 (+ ~a12~0 6))) (.cse24 (< (+ |old(~a19~0)| ~inputE~0) 14)) (.cse3 (< 15 (+ ~a4~0 |old(~a10~0)|))) (.cse25 (< (+ |old(~a19~0)| ~inputC~0) 12)) (.cse26 (< (+ ~a12~0 ~inputB~0) 2)) (.cse4 (< (+ |calculate_output_#in~input| 6) |old(~a19~0)|)) (.cse27 (< 11 (+ |old(~a19~0)| ~inputB~0))) (.cse28 (< 28 (* 2 ~a4~0))) (.cse29 (< (+ ~a4~0 ~inputD~0) 18)) (.cse30 (< 5 (+ ~inputB~0 ~inputC~0))) (.cse19 (< 23 (+ |old(~a1~0)| |old(~a10~0)|))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse20 (+ ~a12~0 |old(~a10~0)|)) (.cse6 (< ~a4~0 (+ |calculate_output_#in~input| 8))) (.cse10 (< (+ |calculate_output_#in~input| ~a12~0) 2)) (.cse8 (< (* 2 |old(~a10~0)|) 0)) (.cse17 (<= |old(~a1~0)| 218)) (.cse15 (or (exists ((v_~a1~0_352 Int)) (and (<= |old(~a1~0)| v_~a1~0_352) (<= (+ (div v_~a1~0_352 5) 331283) 0) (= 0 (mod v_~a1~0_352 5)))) .cse12 .cse13)) (.cse16 (= 8 |old(~a19~0)|)) (.cse14 (= 1 |old(~a10~0)|))) (and (or (and (<= (+ ~a10~0 23) ~a1~0) (<= ~a1~0 (+ ~a10~0 197))) (let ((.cse5 (< 9 (+ |old(~a19~0)| ~a12~0))) (.cse7 (< (+ ~a4~0 ~a12~0) 14)) (.cse9 (< 23 (+ |old(~a19~0)| ~a4~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse3 (< 18 (+ |calculate_output_#in~input| ~a4~0)) .cse5 .cse10 .cse7 .cse8 .cse9)))) (or .cse11 .cse12 .cse13 .cse14) (or .cse11 .cse15 .cse16) (or .cse11 .cse12 .cse13 .cse17) (or .cse18 (and (or .cse19 (< (+ |old(~a1~0)| |old(~a10~0)| 45479) 0) (= 0 |old(~a1~0)|)) (or (< .cse20 2) (< 0 (+ |old(~a1~0)| |old(~a10~0)| 45478)))) (not (= 0 (mod |old(~a10~0)| 2))) .cse21 .cse22 .cse23 .cse24 .cse25 (< 4 (+ ~inputB~0 |old(~a10~0)|)) .cse26 .cse27 .cse28 .cse29 .cse6 .cse10 (< (+ |old(~a1~0)| 45494) ~inputE~0) .cse30 .cse8) (or .cse18 (and (or .cse0 .cse1 .cse21 .cse22 .cse23 .cse24 .cse3 .cse25 .cse26 .cse27 .cse28 .cse29 .cse10 .cse30 .cse8 (< 7 (+ |calculate_output_#in~input| ~inputC~0))) (or .cse0 .cse1 .cse21 .cse22 .cse23 .cse24 .cse3 .cse25 .cse26 .cse4 .cse27 .cse28 .cse29 .cse6 .cse30 .cse8))) (or (or .cse19 .cse2 (< 2 .cse20) .cse6 .cse10 (or .cse12 .cse13 .cse14) .cse8 (< (+ |old(~a1~0)| |old(~a10~0)| 45487) 0)) (and (<= (+ ~a1~0 ~a10~0) 23) (<= 0 (+ ~a1~0 ~a10~0 45487)))) (or (< 218 ~a1~0) .cse12 .cse13 .cse17) (or (forall ((v_~a1~0_352 Int)) (or (not (= 0 (mod v_~a1~0_352 5))) (< v_~a1~0_352 ~a1~0) (< 0 (+ (div v_~a1~0_352 5) 331283)))) .cse15 .cse16) (or (let ((.cse31 (forall ((v_~a1~0_BEFORE_CALL_5 Int)) (or (< |old(~a1~0)| v_~a1~0_BEFORE_CALL_5) (exists ((v_~a1~0_352 Int)) (and (<= (+ (div v_~a1~0_352 5) 331283) 0) (<= v_~a1~0_BEFORE_CALL_5 v_~a1~0_352) (= 0 (mod v_~a1~0_352 5))))))) (.cse32 (div ~a1~0 5))) (and (or .cse31 (< 0 (+ .cse32 331283)) (not (= (mod ~a1~0 5) 0))) (or .cse31 (< 0 (+ .cse32 331284))))) .cse12 .cse13 .cse14)))) [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,659 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-26 23:49:52,660 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 23:49:52,661 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 23:49:52,662 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-26 23:49:52,663 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:49:52,664 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a10~0 14) ~a4~0) (<= (+ ~inputC~0 6) ~a19~0) (<= (+ ~inputB~0 2) ~inputD~0) (<= (+ ~a19~0 ~inputD~0) 13) (<= (+ ~inputF~0 17) ~a1~0) (<= 5 (+ ~a12~0 ~inputE~0)) (<= 2 (+ ~a10~0 ~inputB~0)) (<= (+ ~a12~0 5) ~inputE~0) (<= ~a4~0 (+ ~inputF~0 8)) (<= (+ ~a1~0 ~inputE~0) 28) (<= 6 (+ ~a10~0 ~inputF~0)) (<= (+ ~a10~0 3) ~inputC~0)) [2018-10-26 23:49:52,664 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:49:52,664 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:49:52,664 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= (+ ~a12~0 ~a10~0) 0) (<= 9 (+ ~a19~0 ~a10~0)) (= ~a1~0 23) (<= (+ ~a19~0 5) ~a4~0)) (< (+ |old(~a19~0)| ~inputE~0) 14) (< (+ |old(~a1~0)| ~inputF~0) 29) (< (+ |old(~a19~0)| ~inputC~0) 12) (< (+ ~a12~0 ~inputB~0) 2) (< 4 (+ ~inputD~0 |old(~a10~0)|)) (< ~inputD~0 (+ ~a12~0 4)) (< 11 (+ |old(~a19~0)| ~inputB~0)) (< (+ ~a4~0 ~inputD~0) 18) (< 14 (+ ~a4~0 |old(~a10~0)|)) (< 5 (+ ~inputB~0 ~inputC~0)) (< 28 (+ |old(~a1~0)| ~inputE~0)) (< 12 (* 2 ~inputF~0)) (< (* 2 |old(~a10~0)|) 0)) [2018-10-26 23:49:52,664 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-10-26 23:49:52,664 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a10~0 1)) (< 218 ~a1~0) (and (forall ((v_~a1~0_352 Int)) (or (not (= 0 (mod v_~a1~0_352 5))) (< v_~a1~0_352 ~a1~0) (< 0 (+ (div v_~a1~0_352 5) 331283)))) (not (= 8 ~a19~0))) (< (+ |old(~a19~0)| ~inputE~0) 14) (< (+ |old(~a1~0)| ~inputF~0) 29) (< (+ |old(~a19~0)| ~inputC~0) 12) (< (+ ~a12~0 ~inputB~0) 2) (< 4 (+ ~inputD~0 |old(~a10~0)|)) (< ~inputD~0 (+ ~a12~0 4)) (< 11 (+ |old(~a19~0)| ~inputB~0)) (< (+ ~a4~0 ~inputD~0) 18) (< 14 (+ ~a4~0 |old(~a10~0)|)) (< 5 (+ ~inputB~0 ~inputC~0)) (< 28 (+ |old(~a1~0)| ~inputE~0)) (< 12 (* 2 ~inputF~0)) (< (* 2 |old(~a10~0)|) 0)) [2018-10-26 23:49:52,664 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-10-26 23:49:52,664 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-26 23:49:52,665 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-26 23:49:52,665 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 1)) (< 218 ~a1~0) (and (forall ((v_~a1~0_352 Int)) (or (not (= 0 (mod v_~a1~0_352 5))) (< v_~a1~0_352 ~a1~0) (< 0 (+ (div v_~a1~0_352 5) 331283)))) (not (= 8 ~a19~0))) (< (+ |old(~a19~0)| ~inputE~0) 14) (< (+ |old(~a1~0)| ~inputF~0) 29) (< (+ |old(~a19~0)| ~inputC~0) 12) (< (+ ~a12~0 ~inputB~0) 2) (< 4 (+ ~inputD~0 |old(~a10~0)|)) (< ~inputD~0 (+ ~a12~0 4)) (< 11 (+ |old(~a19~0)| ~inputB~0)) (< (+ ~a4~0 ~inputD~0) 18) (< 14 (+ ~a4~0 |old(~a10~0)|)) (< 5 (+ ~inputB~0 ~inputC~0)) (< 28 (+ |old(~a1~0)| ~inputE~0)) (< 12 (* 2 ~inputF~0)) (< (* 2 |old(~a10~0)|) 0)) [2018-10-26 23:49:52,665 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-10-26 23:49:52,692 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,693 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,694 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,699 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,699 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,700 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:49:52 BoogieIcfgContainer [2018-10-26 23:49:52,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:49:52,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:49:52,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:49:52,703 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:49:52,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:42:52" (3/4) ... [2018-10-26 23:49:52,713 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:49:52,719 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:49:52,719 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-10-26 23:49:52,719 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:49:52,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 23:49:52,736 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:49:52,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(a10 == 1) || 218 < a1) || ((forall v_~a1~0_352 : int :: (!(0 == v_~a1~0_352 % 5) || v_~a1~0_352 < a1) || 0 < v_~a1~0_352 / 5 + 331283) && !(8 == a19))) || \old(a19) + inputE < 14) || \old(a1) + inputF < 29) || \old(a19) + inputC < 12) || a12 + inputB < 2) || 4 < inputD + \old(a10)) || inputD < a12 + 4) || 11 < \old(a19) + inputB) || a4 + inputD < 18) || 14 < a4 + \old(a10)) || 5 < inputB + inputC) || 28 < \old(a1) + inputE) || 12 < 2 * inputF) || 2 * \old(a10) < 0 [2018-10-26 23:49:52,894 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7fbfa74-6e85-4b1c-8661-ea39f557f19a/bin-2019/utaipan/witness.graphml [2018-10-26 23:49:52,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:49:52,898 INFO L168 Benchmark]: Toolchain (without parser) took 423432.92 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 951.8 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,898 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:49:52,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -211.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,902 INFO L168 Benchmark]: Boogie Preprocessor took 65.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,902 INFO L168 Benchmark]: RCFGBuilder took 2622.03 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,902 INFO L168 Benchmark]: TraceAbstraction took 419877.46 ms. Allocated memory was 1.2 GB in the beginning and 4.9 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 4.6 GB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,903 INFO L168 Benchmark]: Witness Printer took 193.82 ms. Allocated memory is still 4.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 23:49:52,906 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -211.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2622.03 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 419877.46 ms. Allocated memory was 1.2 GB in the beginning and 4.9 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 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 193.82 ms. Allocated memory is still 4.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 582]: Loop Invariant [2018-10-26 23:49:52,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] [2018-10-26 23:49:52,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_352,QUANTIFIED] Derived loop invariant: ((((((((((((((!(a10 == 1) || 218 < a1) || ((forall v_~a1~0_352 : int :: (!(0 == v_~a1~0_352 % 5) || v_~a1~0_352 < a1) || 0 < v_~a1~0_352 / 5 + 331283) && !(8 == a19))) || \old(a19) + inputE < 14) || \old(a1) + inputF < 29) || \old(a19) + inputC < 12) || a12 + inputB < 2) || 4 < inputD + \old(a10)) || inputD < a12 + 4) || 11 < \old(a19) + inputB) || a4 + inputD < 18) || 14 < a4 + \old(a10)) || 5 < inputB + inputC) || 28 < \old(a1) + inputE) || 12 < 2 * inputF) || 2 * \old(a10) < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 419.7s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 192.9s AutomataDifference, 0.0s DeadEndRemovalTime, 147.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 934 SDtfs, 8364 SDslu, 1103 SDs, 0 SdLazy, 10560 SolverSat, 2354 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 87.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1373 GetRequests, 1117 SyntacticMatches, 134 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1438 ImplicationChecksByTransitivity, 45.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2690occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 32.8s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9950884324115071 AbsIntWeakeningRatio, 0.11018363939899833 AbsIntAvgWeakeningVarsNumRemoved, 580.2838063439065 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 598 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 89 PreInvPairs, 147 NumberOfFragments, 1212 HoareAnnotationTreeSize, 89 FomulaSimplifications, 157434 FormulaSimplificationTreeSizeReduction, 44.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 98211 FormulaSimplificationTreeSizeReductionInter, 102.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 1681 NumberOfCodeBlocks, 1681 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2005 ConstructedInterpolants, 124 QuantifiedInterpolants, 2226872 SizeOfPredicates, 3 NumberOfNonLiveVariables, 651 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 812/1005 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...